Bài 16: Tính kế thừa (inheritance) trong Java

[quv507t]

import java.util.scanner;
public class kethuademo {
public static void main(string[] args){
scanner nhapdl = new scanner(system.in);
sinhvien sv1 = new sinhvien();
giangvien gv1 = new giangvien();
system.out.println("nhập thông tin sinh viên: ");
sv1.input();
system.out.println("nhập tiền học phí sinh viên: ");
sv1.sethocphi(nhapdl.nextint());
sv1.output();
system.out.println("tiền học phí của sinh viên "+sv1.gethoten()+" là "+sv1.gethocphi()+" vnd");
system.out.println("nhập thông tin giảng viên: ");
gv1.input();
system.out.println("nhập tiền lương giảng viên: ");
gv1.setluong(nhapdl.nextint());
gv1.output();
system.out.println("tiền lương giảng viên "+gv1.gethoten()+" mỗi tháng "+gv1.getluong()+" vnd");
//system.out.println(" họ tên sinh viên: ");
//sv1.sethoten(nhapdl.nextline());
//system.out.println("nhập năm sinh sinh viên: ");
//sv1.setnamsinh(nhapdl.nextint());
//system.out.println("nhập mã thẻ sinh viên: ");
//sv1.setmathe (nhapdl.nextint());

}
}
class nhansu{
private string hoten;
private int namsinh;
private int mathe;
public void sethoten(string hoten){
this.hoten = hoten;
}
public string gethoten(){
return hoten;
}
public int getnamsinh() {
return namsinh;
}
public void setnamsinh(int namsinh) {
this.namsinh = namsinh;
}
public int getmathe() {
return mathe;
}
public void setmathe(int mathe) {
this.mathe = mathe;
}
public void input(){
scanner nhapdl2 = new scanner(system.in);
system.out.println("nhap vao ho ten: ");
sethoten(nhapdl2.nextline());
system.out.println("nhap vao nam sinh: ");
setnamsinh(nhapdl2.nextint());
system.out.println("nhập vào mã thẻ: ");
setmathe(nhapdl2.nextint());

}
public void output(){
system.out.println("họ và tên: "+gethoten());
system.out.println("năm sinh: "+getnamsinh());
system.out.println("mã thẻ: "+getmathe());
}

}
class sinhvien extends nhansu{
private int hocphi;
public int gethocphi(){
return hocphi;
}
public void sethocphi(int hocphi){
this.hocphi = hocphi;
}

}
class giangvien extends nhansu{
private int luong;
public void setluong(int luong){
this.luong = luong;
}
public int getluong(){
return luong;
}
}
class canbocapcao extends nhansu{
private int tientieu;
public int gettientieu(){
return tientieu;
}
public void settientieu(int tientieu){
this.tientieu = tientieu;
}
}

[nguyen.phan314]

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package main[/color][color=#007700];    [/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700];public class [/color][color=#0000bb]unit16b [/color][color=#007700]{public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]agrs[/color][color=#007700]){[/color][color=#0000bb]students stus [/color][color=#007700]= new [/color][color=#0000bb]students[/color][color=#007700]();[/color][color=#0000bb]stus[/color][color=#007700].[/color][color=#0000bb]input[/color][color=#007700]();  [/color][color=#0000bb]giangvien_gv gv_gv [/color][color=#007700]= new [/color][color=#0000bb]giangvien_gv[/color][color=#007700]();[/color][color=#0000bb]gv_gv[/color][color=#007700].[/color][color=#0000bb]input[/color][color=#007700]();  [/color][color=#0000bb]giamdoc gd [/color][color=#007700]= new [/color][color=#0000bb]giamdoc[/color][color=#007700]();[/color][color=#0000bb]gd[/color][color=#007700].[/color][color=#0000bb]input[/color][color=#007700]();  [/color][color=#0000bb]stus[/color][color=#007700].[/color][color=#0000bb]output[/color][color=#007700]();[/color][color=#0000bb]stus[/color][color=#007700].[/color][color=#0000bb]settiennophi[/color][color=#007700]([/color][color=#0000bb]6700000[/color][color=#007700]);[/color][color=#0000bb]gv_gv[/color][color=#007700].[/color][color=#0000bb]output[/color][color=#007700]();[/color][color=#0000bb]gv_gv[/color][color=#007700].[/color][color=#0000bb]setluongthang[/color][color=#007700]([/color][color=#0000bb]7000000[/color][color=#007700]);[/color][color=#0000bb]gd[/color][color=#007700].[/color][color=#0000bb]output[/color][color=#007700]();[/color][color=#0000bb]gd[/color][color=#007700].[/color][color=#0000bb]settientieu[/color][color=#007700]([/color][color=#0000bb]5000000[/color][color=#007700]);}    }class [/color][color=#0000bb]infomation[/color][color=#007700]{private [/color][color=#0000bb]string hoten[/color][color=#007700];private [/color][color=#0000bb]int namsinh[/color][color=#007700];private [/color][color=#0000bb]string mathe[/color][color=#007700]; public [/color][color=#0000bb]string gethoten[/color][color=#007700]() {return [/color][color=#0000bb]hoten[/color][color=#007700];}public [/color][color=#0000bb]void sethoten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700];}public [/color][color=#0000bb]int getnamsinh[/color][color=#007700]() {return [/color][color=#0000bb]namsinh[/color][color=#007700];}public [/color][color=#0000bb]void setnamsinh[/color][color=#007700]([/color][color=#0000bb]int namsinh[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]namsinh[/color][color=#007700];}public [/color][color=#0000bb]string getmathe[/color][color=#007700]() {return [/color][color=#0000bb]mathe[/color][color=#007700];}public [/color][color=#0000bb]void setmathe[/color][color=#007700]([/color][color=#0000bb]string mathe[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]mathe[/color][color=#007700];}public [/color][color=#0000bb]void input[/color][color=#007700](){[/color][color=#0000bb]scanner ip [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhap thong tin: "[/color][color=#007700]);[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ho ten: "[/color][color=#007700]);[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]ip[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nam sinh: "[/color][color=#007700]);[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]ip[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]();[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ma the: "[/color][color=#007700]);[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]ip[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();}public [/color][color=#0000bb]void output[/color][color=#007700](){[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"thong tin: "[/color][color=#007700]);[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ho ten: "[/color][color=#007700]+[/color][color=#0000bb]hoten[/color][color=#007700]);[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nam sinh: "[/color][color=#007700]+[/color][color=#0000bb]namsinh[/color][color=#007700]);[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ma the: "[/color][color=#007700]+[/color][color=#0000bb]mathe[/color][color=#007700]);}    }class [/color][color=#0000bb]students [/color][color=#007700]extends [/color][color=#0000bb]infomation[/color][color=#007700]{private [/color][color=#0000bb]long tiennophi[/color][color=#007700];    public [/color][color=#0000bb]long gettiennophi[/color][color=#007700]() {return [/color][color=#0000bb]tiennophi[/color][color=#007700];}    public [/color][color=#0000bb]void settiennophi[/color][color=#007700]([/color][color=#0000bb]long tiennophi[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tiennophi [/color][color=#007700]= [/color][color=#0000bb]tiennophi[/color][color=#007700];}}class [/color][color=#0000bb]giangvien_gv [/color][color=#007700]extends [/color][color=#0000bb]infomation[/color][color=#007700]{private [/color][color=#0000bb]long luongthang[/color][color=#007700];    public [/color][color=#0000bb]long getluongthang[/color][color=#007700]() {return [/color][color=#0000bb]luongthang[/color][color=#007700];}    public [/color][color=#0000bb]void setluongthang[/color][color=#007700]([/color][color=#0000bb]long luongthang[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]luongthang [/color][color=#007700]= [/color][color=#0000bb]luongthang[/color][color=#007700];} }class [/color][color=#0000bb]giamdoc [/color][color=#007700]extends [/color][color=#0000bb]infomation[/color][color=#007700]{private [/color][color=#0000bb]long tientieu[/color][color=#007700];    public [/color][color=#0000bb]long gettientieu[/color][color=#007700]() {return [/color][color=#0000bb]tientieu[/color][color=#007700];}    public [/color][color=#0000bb]void settientieu[/color][color=#007700]([/color][color=#0000bb]long tientieu[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieu [/color][color=#007700]= [/color][color=#0000bb]tientieu[/color][color=#007700];}}   [/color] 

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package edu[/color][color=#007700].[/color][color=#0000bb]dragon[/color][color=#007700].[/color][color=#0000bb]oot[/color][color=#007700]; [/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700]; public class [/color][color=#0000bb]practiceinheritance [/color][color=#007700]{    public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700])    {        [/color][color=#0000bb]giangvien a [/color][color=#007700]= new [/color][color=#0000bb]giangvien[/color][color=#007700]();        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]input[/color][color=#007700]();        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]inputgiangvien[/color][color=#007700]();        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]output[/color][color=#007700]();        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]outputgiangvien[/color][color=#007700]();           }} class [/color][color=#0000bb]nguoi[/color][color=#007700]{    private [/color][color=#0000bb]string hoten[/color][color=#007700];    private [/color][color=#0000bb]int namsinh[/color][color=#007700];    private [/color][color=#0000bb]string mathe[/color][color=#007700];       [/color][color=#0000bb]scanner in [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);    public [/color][color=#0000bb]string gethoten[/color][color=#007700]() {        return [/color][color=#0000bb]hoten[/color][color=#007700];    }    public [/color][color=#0000bb]void sethoten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700];    }    public [/color][color=#0000bb]int getnamsinh[/color][color=#007700]() {        return [/color][color=#0000bb]namsinh[/color][color=#007700];    }    public [/color][color=#0000bb]void setnamsinh[/color][color=#007700]([/color][color=#0000bb]int namsinh[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]namsinh[/color][color=#007700];    }    public [/color][color=#0000bb]string getmathe[/color][color=#007700]() {        return [/color][color=#0000bb]mathe[/color][color=#007700];    }    public [/color][color=#0000bb]void setmathe[/color][color=#007700]([/color][color=#0000bb]string mathe[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]mathe[/color][color=#007700];    }    public [/color][color=#0000bb]void input[/color][color=#007700](){        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập họ tên:"[/color][color=#007700]);        [/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập năm sinh:"[/color][color=#007700]);        [/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]integer[/color][color=#007700].[/color][color=#0000bb]parseint[/color][color=#007700]([/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập mã thẻ:"[/color][color=#007700]);        [/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();    }    public [/color][color=#0000bb]void output[/color][color=#007700](){        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"họ tên:"[/color][color=#007700]+[/color][color=#0000bb]hoten[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"năm sinh:"[/color][color=#007700]+[/color][color=#0000bb]namsinh[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"mã thẻ:"[/color][color=#007700]+[/color][color=#0000bb]mathe[/color][color=#007700]);    }}class [/color][color=#0000bb]sinhvien [/color][color=#007700]extends [/color][color=#0000bb]nguoi[/color][color=#007700]{    private [/color][color=#0000bb]float tienhocphi[/color][color=#007700];     public [/color][color=#0000bb]float gettienhocphi[/color][color=#007700]() {        return [/color][color=#0000bb]tienhocphi[/color][color=#007700];    }     public [/color][color=#0000bb]void settienhocphi[/color][color=#007700]([/color][color=#0000bb]float tienhocphi[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienhocphi [/color][color=#007700]= [/color][color=#0000bb]tienhocphi[/color][color=#007700];    }} class [/color][color=#0000bb]giangvien [/color][color=#007700]extends [/color][color=#0000bb]nguoi[/color][color=#007700]{    private [/color][color=#0000bb]float tienluong[/color][color=#007700];    [/color][color=#0000bb]scanner in [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);    public [/color][color=#0000bb]float gettienluong[/color][color=#007700]() {        return [/color][color=#0000bb]tienluong[/color][color=#007700];    }     public [/color][color=#0000bb]void settienluong[/color][color=#007700]([/color][color=#0000bb]float tienluong[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienluong [/color][color=#007700]= [/color][color=#0000bb]tienluong[/color][color=#007700];    }       public [/color][color=#0000bb]void inputgiangvien[/color][color=#007700]()    {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập lương:"[/color][color=#007700]);        [/color][color=#0000bb]tienluong [/color][color=#007700]= [/color][color=#0000bb]float[/color][color=#007700].[/color][color=#0000bb]parsefloat[/color][color=#007700]([/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());    }       public [/color][color=#0000bb]void outputgiangvien[/color][color=#007700](){        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"lương:"[/color][color=#007700]+[/color][color=#0000bb]tienluong[/color][color=#007700]);    }} class [/color][color=#0000bb]giamdoc [/color][color=#007700]extends [/color][color=#0000bb]nguoi[/color][color=#007700]{    private [/color][color=#0000bb]float tientieu[/color][color=#007700];     public [/color][color=#0000bb]float gettientieu[/color][color=#007700]() {        return [/color][color=#0000bb]tientieu[/color][color=#007700];    }     public [/color][color=#0000bb]void settientieu[/color][color=#007700]([/color][color=#0000bb]float tientieu[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieu [/color][color=#007700]= [/color][color=#0000bb]tientieu[/color][color=#007700];    }}[/color] 

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package baitapvenha[/color][color=#007700];[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700];[/color][color=#ff8000]/** * bài 1: dùng tính kế thừa khai báo 3 class: class "sinh viên" gồm các thuộc * tính: họ tên, năm sinh, mã thẻ, tiền học phí còn nợ. class "giảng viên" gồm * các thuộc tính: họ tên, năm sinh, mã thẻ, tiền lương hàng tháng. class * "giám đốc" gồm các thuộc tính: họ tên, năm sinh, mã thẻ, tiền tiêu hàng * tháng. *  * các thuộc tính để private, truy cập các thuộc tính sử dụng phương thức getter * và setter tạo 1 đối tượng giảng viên, giá trị nhập vào từ bàn phím, in thông * tin ra ngoài màn hình console */[/color][color=#007700]public class [/color][color=#0000bb]buoi16 [/color][color=#007700]{     public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) {          [/color][color=#0000bb]bai16_nhansu ns [/color][color=#007700]= new [/color][color=#0000bb]bai16_nhansu[/color][color=#007700]();          [/color][color=#0000bb]giaovien16 a [/color][color=#007700]= new [/color][color=#0000bb]giaovien16[/color][color=#007700]();          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhap thong tin giao vien: "[/color][color=#007700]);          [/color][color=#0000bb]ns[/color][color=#007700].[/color][color=#0000bb]nhapinfo[/color][color=#007700]();          [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]nhapinfo[/color][color=#007700]();          [/color][color=#0000bb]ns[/color][color=#007700].[/color][color=#0000bb]xuatinfo[/color][color=#007700]();          [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]xuatinfo[/color][color=#007700]();          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"
nhap thong tin sinh vien: "[/color][color=#007700]);          [/color][color=#0000bb]sinhvien16 sv [/color][color=#007700]= new [/color][color=#0000bb]sinhvien16[/color][color=#007700]();          [/color][color=#0000bb]sv[/color][color=#007700].[/color][color=#0000bb]nhapinfo[/color][color=#007700]();          [/color][color=#0000bb]sv[/color][color=#007700].[/color][color=#0000bb]xuatinfo[/color][color=#007700]();     }} class [/color][color=#0000bb]bai16_nhansu [/color][color=#007700]{     private [/color][color=#0000bb]string hoten[/color][color=#007700], [/color][color=#0000bb]mathe[/color][color=#007700];     private [/color][color=#0000bb]int namsinh[/color][color=#007700];      public [/color][color=#0000bb]string gethoten[/color][color=#007700]() {           return [/color][color=#0000bb]hoten[/color][color=#007700];     }      public [/color][color=#0000bb]void sethoten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]) {          [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700];     }      public [/color][color=#0000bb]string getmathe[/color][color=#007700]() {          return [/color][color=#0000bb]mathe[/color][color=#007700];     }      public [/color][color=#0000bb]void setmathe[/color][color=#007700]([/color][color=#0000bb]string mathe[/color][color=#007700]) {          [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]mathe[/color][color=#007700];     }      public [/color][color=#0000bb]int getnamsinh[/color][color=#007700]() {          return [/color][color=#0000bb]namsinh[/color][color=#007700];     }      public [/color][color=#0000bb]void setnamsinh[/color][color=#007700]([/color][color=#0000bb]int namsinh[/color][color=#007700]) {          [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]namsinh[/color][color=#007700];     }      public [/color][color=#0000bb]void nhapinfo[/color][color=#007700]() {          [/color][color=#0000bb]scanner sc [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"ho ten: "[/color][color=#007700]);          [/color][color=#0000bb]sethoten[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"ma the: "[/color][color=#007700]);          [/color][color=#0000bb]setmathe[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nam sinh: "[/color][color=#007700]);          [/color][color=#0000bb]setnamsinh[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());     }      public [/color][color=#0000bb]void xuatinfo[/color][color=#007700]() {           [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#0000bb]gethoten[/color][color=#007700]() + [/color][color=#dd0000]"\t" [/color][color=#007700]+ [/color][color=#0000bb]getmathe[/color][color=#007700]() + [/color][color=#dd0000]"\t" [/color][color=#007700]+ [/color][color=#0000bb]getnamsinh[/color][color=#007700]()+ [/color][color=#dd0000]"\t"[/color][color=#007700]);     }} class [/color][color=#0000bb]sinhvien16 [/color][color=#007700]extends [/color][color=#0000bb]bai16_nhansu [/color][color=#007700]{     private [/color][color=#0000bb]int tienhocphi[/color][color=#007700];      public [/color][color=#0000bb]int gettienhocphi[/color][color=#007700]() {           return [/color][color=#0000bb]tienhocphi[/color][color=#007700];     }      public [/color][color=#0000bb]void settienhocphi[/color][color=#007700]([/color][color=#0000bb]int tienhocphi[/color][color=#007700]) {           [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienhocphi [/color][color=#007700]= [/color][color=#0000bb]tienhocphi[/color][color=#007700];     }      public [/color][color=#0000bb]void nhapinfo[/color][color=#007700]() {          [/color][color=#0000bb]scanner sc [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"ho ten  : "[/color][color=#007700]);          [/color][color=#0000bb]sethoten[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"ma the  : "[/color][color=#007700]);          [/color][color=#0000bb]setmathe[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nam sinh: "[/color][color=#007700]);          [/color][color=#0000bb]setnamsinh[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"tien hoc: "[/color][color=#007700]);          [/color][color=#0000bb]settienhocphi[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());     }      public [/color][color=#0000bb]void xuatinfo[/color][color=#007700]() {          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#0000bb]gethoten[/color][color=#007700]() + [/color][color=#dd0000]"\t" [/color][color=#007700]+ [/color][color=#0000bb]getmathe[/color][color=#007700]() + [/color][color=#dd0000]"\t" [/color][color=#007700]+ [/color][color=#0000bb]getnamsinh[/color][color=#007700]()+ [/color][color=#dd0000]"\t" [/color][color=#007700]+ [/color][color=#0000bb]gettienhocphi[/color][color=#007700]());     } } class [/color][color=#0000bb]giaovien16 [/color][color=#007700]extends [/color][color=#0000bb]bai16_nhansu [/color][color=#007700]{     private [/color][color=#0000bb]int tienluong[/color][color=#007700];      public [/color][color=#0000bb]int gettienluong[/color][color=#007700]() {          return [/color][color=#0000bb]tienluong[/color][color=#007700];     }      public [/color][color=#0000bb]void settienluong[/color][color=#007700]([/color][color=#0000bb]int tienluong[/color][color=#007700]) {           [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienluong [/color][color=#007700]= [/color][color=#0000bb]tienluong[/color][color=#007700];     }      public [/color][color=#0000bb]void nhapinfo[/color][color=#007700]() {          [/color][color=#0000bb]scanner sc [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"luong: "[/color][color=#007700]);          [/color][color=#0000bb]settienluong[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());     }      public [/color][color=#0000bb]void xuatinfo[/color][color=#007700]() {          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#0000bb]gettienluong[/color][color=#007700]());     }} class [/color][color=#0000bb]giamdoc [/color][color=#007700]extends [/color][color=#0000bb]bai16_nhansu [/color][color=#007700]{     private [/color][color=#0000bb]int tientieu[/color][color=#007700];      public [/color][color=#0000bb]int gettientieu[/color][color=#007700]() {          return [/color][color=#0000bb]tientieu[/color][color=#007700];     }      public [/color][color=#0000bb]void settientieu[/color][color=#007700]([/color][color=#0000bb]int tientieu[/color][color=#007700]) {           [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieu [/color][color=#007700]= [/color][color=#0000bb]tientieu[/color][color=#007700];     }}[/color] 

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package baitapvenha[/color][color=#007700]; public class [/color][color=#0000bb]buoi16_thuake [/color][color=#007700]{    public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) {         [/color][color=#0000bb]nhansu ns [/color][color=#007700]= new [/color][color=#0000bb]nhansu[/color][color=#007700]();         [/color][color=#0000bb]ns[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#dd0000]"nguyen thanh binh"[/color][color=#007700];         [/color][color=#0000bb]ns[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]1986[/color][color=#007700];         [/color][color=#0000bb]ns[/color][color=#007700].[/color][color=#0000bb]quequan [/color][color=#007700]= [/color][color=#dd0000]"thai binh"[/color][color=#007700];          [/color][color=#0000bb]hocsinh hs [/color][color=#007700]= new [/color][color=#0000bb]hocsinh[/color][color=#007700]();         [/color][color=#0000bb]hs[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#dd0000]"bbbbbb"[/color][color=#007700];         [/color][color=#0000bb]hs[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]1994[/color][color=#007700];         [/color][color=#0000bb]hs[/color][color=#007700].[/color][color=#0000bb]quequan [/color][color=#007700]= [/color][color=#dd0000]"hung yen"[/color][color=#007700];         [/color][color=#0000bb]hs[/color][color=#007700].[/color][color=#0000bb]diemtb [/color][color=#007700]= [/color][color=#0000bb]8.5f[/color][color=#007700];          [/color][color=#0000bb]giaovien gv [/color][color=#007700]= new [/color][color=#0000bb]giaovien[/color][color=#007700]();         [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#dd0000]"aaaaaa"[/color][color=#007700];         [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]1992[/color][color=#007700];         [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]quequan [/color][color=#007700]= [/color][color=#dd0000]"nam dinh"[/color][color=#007700];         [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]luonghangthang [/color][color=#007700]= [/color][color=#0000bb]100000[/color][color=#007700];          [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#0000bb]ns[/color][color=#007700].[/color][color=#0000bb]hoten[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]ns[/color][color=#007700].[/color][color=#0000bb]namsinh[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]ns[/color][color=#007700].[/color][color=#0000bb]quequan[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#0000bb]hs[/color][color=#007700].[/color][color=#0000bb]hoten[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]hs[/color][color=#007700].[/color][color=#0000bb]namsinh[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]hs[/color][color=#007700].[/color][color=#0000bb]quequan[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]hs[/color][color=#007700].[/color][color=#0000bb]diemtb[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]hoten[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]namsinh[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]quequan[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]luonghangthang[/color][color=#007700]);     }} class [/color][color=#0000bb]nhansu [/color][color=#007700]{     public [/color][color=#0000bb]string hoten[/color][color=#007700], [/color][color=#0000bb]quequan[/color][color=#007700];     public [/color][color=#0000bb]int namsinh[/color][color=#007700];} class [/color][color=#0000bb]hocsinh [/color][color=#007700]extends [/color][color=#0000bb]nhansu[/color][color=#007700]{     public [/color][color=#0000bb]float diemtb[/color][color=#007700];} class [/color][color=#0000bb]giaovien [/color][color=#007700]extends [/color][color=#0000bb]nhansu[/color][color=#007700]{     public [/color][color=#0000bb]int luonghangthang[/color][color=#007700];}[/color] 

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package demojava[/color][color=#007700].[/color][color=#0000bb]android[/color][color=#007700].[/color][color=#0000bb]vn[/color][color=#007700]; [/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700]; class [/color][color=#0000bb]thongtin [/color][color=#007700]{     private [/color][color=#0000bb]string hoten[/color][color=#007700];    private [/color][color=#0000bb]int namsinh[/color][color=#007700];    private [/color][color=#0000bb]string mathe[/color][color=#007700];     public [/color][color=#0000bb]void sethoten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700];    }     public [/color][color=#0000bb]string gethoten[/color][color=#007700]() {        return [/color][color=#0000bb]hoten[/color][color=#007700];    }     public [/color][color=#0000bb]int getnamsinh[/color][color=#007700]() {        return [/color][color=#0000bb]namsinh[/color][color=#007700];    }     public [/color][color=#0000bb]void setnamsinh[/color][color=#007700]([/color][color=#0000bb]int namsinh[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]namsinh[/color][color=#007700];    }     public [/color][color=#0000bb]string getmathe[/color][color=#007700]() {        return [/color][color=#0000bb]mathe[/color][color=#007700];    }     public [/color][color=#0000bb]void setmathe[/color][color=#007700]([/color][color=#0000bb]string mathe[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]mathe[/color][color=#007700];    }     public [/color][color=#0000bb]void input[/color][color=#007700](){        [/color][color=#0000bb]scanner inp [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);              [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập họ tên: "[/color][color=#007700]);        [/color][color=#0000bb]sethoten[/color][color=#007700]([/color][color=#0000bb]inp[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());              [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập năm sinh: "[/color][color=#007700]);        [/color][color=#0000bb]setnamsinh[/color][color=#007700]([/color][color=#0000bb]inp[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());        [/color][color=#0000bb]inp[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập mã thẻ: "[/color][color=#007700]);        [/color][color=#0000bb]setmathe[/color][color=#007700]([/color][color=#0000bb]inp[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());          }      public [/color][color=#0000bb]void output[/color][color=#007700]() {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"họ tên: " [/color][color=#007700]+ [/color][color=#0000bb]gethoten[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"năm sinh: " [/color][color=#007700]+ [/color][color=#0000bb]getnamsinh[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"mã thẻ: " [/color][color=#007700]+ [/color][color=#0000bb]getmathe[/color][color=#007700]());    }} class [/color][color=#0000bb]sinhvien [/color][color=#007700]extends [/color][color=#0000bb]thongtin [/color][color=#007700]{     private [/color][color=#0000bb]long hocphi[/color][color=#007700];     public [/color][color=#0000bb]long gethocphi[/color][color=#007700]() {        return [/color][color=#0000bb]hocphi[/color][color=#007700];    }     public [/color][color=#0000bb]void sethocphi[/color][color=#007700]([/color][color=#0000bb]long hocphi[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hocphi [/color][color=#007700]= [/color][color=#0000bb]hocphi[/color][color=#007700];    }} class [/color][color=#0000bb]giangvien [/color][color=#007700]extends [/color][color=#0000bb]thongtin [/color][color=#007700]{     private [/color][color=#0000bb]long tienluong[/color][color=#007700];     public [/color][color=#0000bb]long gettienluong[/color][color=#007700]() {        return [/color][color=#0000bb]tienluong[/color][color=#007700];    }     public [/color][color=#0000bb]void settienluong[/color][color=#007700]([/color][color=#0000bb]long tienluong[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienluong [/color][color=#007700]= [/color][color=#0000bb]tienluong[/color][color=#007700];    }     public [/color][color=#0000bb]void inputgiangvien[/color][color=#007700]() {        [/color][color=#0000bb]scanner inp [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"tiền lương hàng tháng: "[/color][color=#007700]);        [/color][color=#0000bb]settienluong[/color][color=#007700]([/color][color=#0000bb]inp[/color][color=#007700].[/color][color=#0000bb]nextlong[/color][color=#007700]());    }     public [/color][color=#0000bb]void outputgiangvien[/color][color=#007700]() {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"tiền lương hàng tháng: "[/color][color=#007700]+[/color][color=#0000bb]gettienluong[/color][color=#007700]());    }} class [/color][color=#0000bb]giamdoc [/color][color=#007700]extends [/color][color=#0000bb]thongtin [/color][color=#007700]{     private [/color][color=#0000bb]long tientieu[/color][color=#007700];     public [/color][color=#0000bb]long gettientieu[/color][color=#007700]() {        return [/color][color=#0000bb]tientieu[/color][color=#007700];    }     public [/color][color=#0000bb]void settientieu[/color][color=#007700]([/color][color=#0000bb]long tientieu[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieu [/color][color=#007700]= [/color][color=#0000bb]tientieu[/color][color=#007700];    }} public class [/color][color=#0000bb]unit16 [/color][color=#007700]{     public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) {        [/color][color=#0000bb]thongtin ttin [/color][color=#007700]= new [/color][color=#0000bb]thongtin[/color][color=#007700]();        [/color][color=#0000bb]giangvien gvien [/color][color=#007700]= new [/color][color=#0000bb]giangvien[/color][color=#007700]();        [/color][color=#ff8000]//input        [/color][color=#0000bb]ttin[/color][color=#007700].[/color][color=#0000bb]input[/color][color=#007700]();        [/color][color=#0000bb]gvien[/color][color=#007700].[/color][color=#0000bb]inputgiangvien[/color][color=#007700]();        [/color][color=#ff8000]//output        [/color][color=#0000bb]ttin[/color][color=#007700].[/color][color=#0000bb]output[/color][color=#007700]();        [/color][color=#0000bb]gvien[/color][color=#007700].[/color][color=#0000bb]inputgiangvien[/color][color=#007700]();       }}[/color] 

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chào bạn, bạn có thể giải thích hộ mình ý nghĩa của phần code của bạn mà mình đã gạch chân được không. thanks bạn @vjrus.ht.

[duocbaokhang1]

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[color=#000000]
package lesson16[/color][color=#007700];    [/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].*;    class [/color][color=#0000bb]information [/color][color=#007700]{    [/color][color=#0000bb]scanner scan01 [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);    private [/color][color=#0000bb]string hoten[/color][color=#007700],[/color][color=#0000bb]mathe[/color][color=#007700];    private [/color][color=#0000bb]int namsinh[/color][color=#007700];        public [/color][color=#0000bb]string gethoten[/color][color=#007700]() {        return [/color][color=#0000bb]hoten[/color][color=#007700];    }        public [/color][color=#0000bb]string getmathe[/color][color=#007700]() {        return [/color][color=#0000bb]mathe[/color][color=#007700];    }        public [/color][color=#0000bb]int getnamsinh[/color][color=#007700]() {        return [/color][color=#0000bb]namsinh[/color][color=#007700];    }        public [/color][color=#0000bb]void sethoten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700];    }        public [/color][color=#0000bb]void setmathe[/color][color=#007700]([/color][color=#0000bb]string mathe[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]mathe[/color][color=#007700];    }        public [/color][color=#0000bb]void setnamsinh[/color][color=#007700]([/color][color=#0000bb]int namsinh[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]namsinh[/color][color=#007700];    }    public [/color][color=#0000bb]void enter[/color][color=#007700]() {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap ho ten : "[/color][color=#007700]); [/color][color=#0000bb]sethoten[/color][color=#007700]([/color][color=#0000bb]scan01[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap ma the : "[/color][color=#007700]); [/color][color=#0000bb]setmathe[/color][color=#007700]([/color][color=#0000bb]scan01[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());        do{            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap nam sinh :"[/color][color=#007700]); [/color][color=#0000bb]setnamsinh[/color][color=#007700]([/color][color=#0000bb]scan01[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());            if ([/color][color=#0000bb]getnamsinh[/color][color=#007700]()<[/color][color=#0000bb]0 [/color][color=#007700]){                [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nam sinh khong duoc be hon 0. yeu cau nhap lai "[/color][color=#007700]);            }        }while([/color][color=#0000bb]getnamsinh[/color][color=#007700]()<[/color][color=#0000bb]0[/color][color=#007700]);                   }    public [/color][color=#0000bb]void [/color][color=#007700]print() {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ho ten : "[/color][color=#007700]+ [/color][color=#0000bb]gethoten[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ma the : "[/color][color=#007700]+ [/color][color=#0000bb]getmathe[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nam sinh : "[/color][color=#007700]+ [/color][color=#0000bb]getnamsinh[/color][color=#007700]());            }}class [/color][color=#0000bb]sinhvien [/color][color=#007700]extends [/color][color=#0000bb]information [/color][color=#007700]{    private [/color][color=#0000bb]long tienno[/color][color=#007700];        public [/color][color=#0000bb]long gettienno[/color][color=#007700]() {        return [/color][color=#0000bb]tienno[/color][color=#007700];    }        public [/color][color=#0000bb]void settienno[/color][color=#007700]([/color][color=#0000bb]long tienno[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienno [/color][color=#007700]= [/color][color=#0000bb]tienno[/color][color=#007700];    }    }class [/color][color=#0000bb]giangvien [/color][color=#007700]extends [/color][color=#0000bb]information [/color][color=#007700]{    private [/color][color=#0000bb]long tienluong[/color][color=#007700];        public [/color][color=#0000bb]long gettienluong[/color][color=#007700]() {        return [/color][color=#0000bb]tienluong[/color][color=#007700];    }        public [/color][color=#0000bb]void settienluong[/color][color=#007700]([/color][color=#0000bb]long tienluong[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienluong [/color][color=#007700]= [/color][color=#0000bb]tienluong[/color][color=#007700];    }    public [/color][color=#0000bb]void enter[/color][color=#007700]() {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap tien luong : "[/color][color=#007700]); [/color][color=#0000bb]settienluong[/color][color=#007700]([/color][color=#0000bb]scan01[/color][color=#007700].[/color][color=#0000bb]nextlong[/color][color=#007700]())  ;    }    public [/color][color=#0000bb]void [/color][color=#007700]print() {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"tien luong = " [/color][color=#007700]+ [/color][color=#0000bb]gettienluong[/color][color=#007700]());    }    }    class [/color][color=#0000bb]giamdoc [/color][color=#007700]extends [/color][color=#0000bb]information [/color][color=#007700]{    private [/color][color=#0000bb]long tientieu [/color][color=#007700];        public [/color][color=#0000bb]long gettientieu[/color][color=#007700]() {        return [/color][color=#0000bb]tientieu[/color][color=#007700];    }        public [/color][color=#0000bb]void settientieu[/color][color=#007700]([/color][color=#0000bb]long tientieu[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieu [/color][color=#007700]= [/color][color=#0000bb]tientieu[/color][color=#007700];    }    }public class [/color][color=#0000bb]lesson16 [/color][color=#007700]{        [/color][color=#ff8000]/**     * @param args the command line arguments     */    [/color][color=#007700]public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) {        [/color][color=#ff8000]// todo code application logic here        [/color][color=#0000bb]information inf [/color][color=#007700]= new [/color][color=#0000bb]information[/color][color=#007700]();        [/color][color=#0000bb]giangvien gv [/color][color=#007700]= new [/color][color=#0000bb]giangvien[/color][color=#007700]();        [/color][color=#0000bb]inf[/color][color=#007700].[/color][color=#0000bb]enter[/color][color=#007700]();        [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]enter[/color][color=#007700]();        [/color][color=#0000bb]inf[/color][color=#007700].print();        [/color][color=#0000bb]gv[/color][color=#007700].print();    }    }[/color] 

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[ducquangdt]

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mong mọi người chỉ bảo thêm
thanks all )

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<div class="bbcm_spoiler_noscript"><blockquote>

public class bai1_unit16 {
	
	public static void main(string[] args) {
		giangvien gv = new giangvien();
		
		system.out.println("nhap thong tin giang vien:");
		gv.inputp();
		gv.inputg();
		
		system.out.println("=========================");
		system.out.println("thong tin giang vien");
		system.out.println("=========================");
		gv.showp();
		gv.showg();
		
		
	}
}
 
 
 
 
class person {
	private string hoten;
	private int namsinh;
	private string mathe;
 
 
 
 
	public string gethoten() {
		return hoten;
	}
 
 
 
 
	public void sethoten(string hoten) {
		this.hoten = hoten;
	}
 
 
 
 
	public int getnamsinh() {
		return namsinh;
	}
 
 
 
 
	public void setnamsinh(int namsinh) {
		this.namsinh = namsinh;
	}
 
 
 
 
	public string getmathe() {
		return mathe;
	}
 
 
 
 
	public void setmathe(string mathe) {
		this.mathe = mathe;
	}
	
	public void inputp() {
		scanner inputp = new scanner(system.in);
		
		system.out.println("nhap ten:");
		hoten = inputp.nextline();
		
		system.out.println("nhap nam sinh:");
		namsinh = inputp.nextint();
		/*
		cho nay ko hieu tai sao no ko cho nhap tham so mathe
		phai them dong inputp.nextline() moi nhap them dc
		danh de may bai sau tim hieu vay :))))
		*/
		inputp.nextline(); 
		system.out.println("nhap ma the:");
		mathe = inputp.nextline();
	}
	
	public void showp() {
		system.out.println("ho ten:" + gethoten());
		system.out.println("nam sinh:" + getnamsinh());
		system.out.println("ma the:" + getmathe());
	}
	
}
 
 
 
 
class sinhvien extends person {
	private long tienno;
 
 
 
 
	public long gettienno() {
		return tienno;
	}
 
 
 
 
	public void settienno(long tienno) {
		this.tienno = tienno;
	}
	
}
 
 
 
 
class giangvien extends person {
	private long luong;
 
 
 
 
	public long getluong() {
		return luong;
	}
 
 
 
 
	public void setluong(long luong) {
		this.luong = luong;
	}
	
	public void inputg () {
		scanner inputg = new scanner(system.in);
		
		system.out.println("nhap tien luong hang thang:");
		luong = inputg.nextint();
	}
	
	public void showg() {
		
		system.out.println("tien luong thang:" + getluong());
	}
}
 
 
 
 
class giamdoc extends person {
	private long tientieu;
 
 
 
 
	public long gettientieu() {
		return tientieu;
	}
 
 
 
 
	public void settientieu(long tientieu) {
		this.tientieu = tientieu;
	}
	
}

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[walaseafoodseo1]

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<div class="attribution type"><noscript>class main (move your mouse to reveal the content)</noscript>

class main (open)
class main (close)

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[color=#000000]
[/color][color=#ff8000]/* * to change this template, choose tools | templates * and open the template in the editor. */[/color][color=#0000bb]package unit16[/color][color=#007700]; [/color][color=#ff8000]/** * * @author quanghuy */[/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700]; public class [/color][color=#0000bb]unit16 [/color][color=#007700]{     [/color][color=#ff8000]/**     * @param args the command line arguments     */    [/color][color=#007700]public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) {        [/color][color=#ff8000]// todo code application logic here        [/color][color=#0000bb]scanner input [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);         [/color][color=#0000bb]giangvien a [/color][color=#007700]= new [/color][color=#0000bb]giangvien[/color][color=#007700]();        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap ho ten giang vien: "[/color][color=#007700]);        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]sethoten[/color][color=#007700]([/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap nam sinh: "[/color][color=#007700]);        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]setnamsinh[/color][color=#007700]([/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap ma the: "[/color][color=#007700]);        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]setmathe[/color][color=#007700]([/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap luong cua giang vien "[/color][color=#007700]);        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]setluong[/color][color=#007700]([/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"giang vien: "[/color][color=#007700]+[/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]gethoten[/color][color=#007700]()+[/color][color=#dd0000]" sinh nam: "[/color][color=#007700]+[/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]getnamsinh[/color][color=#007700]()+[/color][color=#dd0000]" co ma the la: "[/color][color=#007700]+[/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]getmathe[/color][color=#007700]()+[/color][color=#dd0000]" voi luong hang thang la: "[/color][color=#007700]+[/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]getluong[/color][color=#007700]());    }}[/color] 

</blockquote></div>
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<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>class person (move your mouse to reveal the content)</noscript>

class person (open)
class person (close)

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<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
[/color][color=#ff8000]/* * to change this template, choose tools | templates * and open the template in the editor. */[/color][color=#0000bb]package unit16[/color][color=#007700]; [/color][color=#ff8000]/** * * @author quanghuy */[/color][color=#007700]public class [/color][color=#0000bb]person [/color][color=#007700]{     private [/color][color=#0000bb]string hoten[/color][color=#007700];    private [/color][color=#0000bb]int namsinh[/color][color=#007700];    private [/color][color=#0000bb]int mathe[/color][color=#007700];     public [/color][color=#0000bb]void sethoten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700];    }     public [/color][color=#0000bb]void setnamsinh[/color][color=#007700]([/color][color=#0000bb]int namsinh[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]namsinh[/color][color=#007700];    }     public [/color][color=#0000bb]void setmathe[/color][color=#007700]([/color][color=#0000bb]int mathe[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]mathe[/color][color=#007700];    }    public [/color][color=#0000bb]string gethoten[/color][color=#007700](){        return [/color][color=#0000bb]hoten[/color][color=#007700];    }    public [/color][color=#0000bb]int getnamsinh[/color][color=#007700](){        return [/color][color=#0000bb]namsinh[/color][color=#007700];    }    public [/color][color=#0000bb]int getmathe[/color][color=#007700](){        return [/color][color=#0000bb]mathe[/color][color=#007700];    }}[/color] 

</blockquote></div>
</div>
</div>
<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>sinhvien (move your mouse to reveal the content)</noscript>

sinhvien (open)
sinhvien (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
[/color][color=#ff8000]/* * to change this template, choose tools | templates * and open the template in the editor. */[/color][color=#0000bb]package unit16[/color][color=#007700]; [/color][color=#ff8000]/** * * @author quanghuy */[/color][color=#007700]class [/color][color=#0000bb]sinhvien [/color][color=#007700]extends [/color][color=#0000bb]person [/color][color=#007700]{private [/color][color=#0000bb]double tienhocphi[/color][color=#007700];         public [/color][color=#0000bb]double gettienhocphi[/color][color=#007700]() {        return [/color][color=#0000bb]tienhocphi[/color][color=#007700];    }     public [/color][color=#0000bb]void settienhocphi[/color][color=#007700]([/color][color=#0000bb]double tienhocphi[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienhocphi [/color][color=#007700]= [/color][color=#0000bb]tienhocphi[/color][color=#007700];    }}[/color] 

</blockquote></div>
</div>
</div>
<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>giangvien (move your mouse to reveal the content)</noscript>

giangvien (open)
giangvien (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
[/color][color=#ff8000]/* * to change this template, choose tools | templates * and open the template in the editor. */[/color][color=#0000bb]package unit16[/color][color=#007700]; [/color][color=#ff8000]/** * * @author quanghuy */[/color][color=#007700]class [/color][color=#0000bb]giangvien [/color][color=#007700]extends [/color][color=#0000bb]person [/color][color=#007700]{    private [/color][color=#0000bb]int luong[/color][color=#007700];     public [/color][color=#0000bb]int getluong[/color][color=#007700]() {        return [/color][color=#0000bb]luong[/color][color=#007700];    }     public [/color][color=#0000bb]void setluong[/color][color=#007700]([/color][color=#0000bb]int luong[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]luong [/color][color=#007700]= [/color][color=#0000bb]luong[/color][color=#007700];    }}[/color] 

</blockquote></div>
</div>
</div>
<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>giamdoc (move your mouse to reveal the content)</noscript>

giamdoc (open)
giamdoc (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
[/color][color=#ff8000]/* * to change this template, choose tools | templates * and open the template in the editor. */[/color][color=#0000bb]package unit16[/color][color=#007700]; [/color][color=#ff8000]/** * * @author quanghuy */[/color][color=#007700]public class [/color][color=#0000bb]giamdoc [/color][color=#007700]extends [/color][color=#0000bb]person [/color][color=#007700]{    private [/color][color=#0000bb]int tientieu[/color][color=#007700];     public [/color][color=#0000bb]void settientieu[/color][color=#007700]([/color][color=#0000bb]int tientieu[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieu [/color][color=#007700]= [/color][color=#0000bb]tientieu[/color][color=#007700];    }     public [/color][color=#0000bb]int gettientieu[/color][color=#007700]() {        return [/color][color=#0000bb]tientieu[/color][color=#007700];    }}[/color] 

</blockquote></div>
</div>
</div>

[daihungaa123]

<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>cho em nộp bài (move your mouse to reveal the content)</noscript>

cho em nộp bài (open)
cho em nộp bài (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>
<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>class nhân sự (move your mouse to reveal the content)</noscript>

class nhân sự (open)
class nhân sự (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
package lesson16[/color][color=#007700]; public class [/color][color=#0000bb]nhansu [/color][color=#007700]{ private [/color][color=#0000bb]string hoten[/color][color=#007700];private [/color][color=#0000bb]float namsinh[/color][color=#007700];private [/color][color=#0000bb]double mathe[/color][color=#007700]; public [/color][color=#0000bb]string gethoten[/color][color=#007700]() {return [/color][color=#0000bb]hoten[/color][color=#007700];} public [/color][color=#0000bb]void sethoten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700];} public [/color][color=#0000bb]float getnamsinh[/color][color=#007700]() {return [/color][color=#0000bb]namsinh[/color][color=#007700];} public [/color][color=#0000bb]void setnamsinh[/color][color=#007700]([/color][color=#0000bb]float namsinh[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]namsinh[/color][color=#007700];} public [/color][color=#0000bb]double getmathe[/color][color=#007700]() {return [/color][color=#0000bb]mathe[/color][color=#007700];} public [/color][color=#0000bb]void setmathe[/color][color=#007700]([/color][color=#0000bb]double mathe[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]mathe[/color][color=#007700];}}[/color] 

</blockquote></div>
</div>
</div>

<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>class giảng viên (move your mouse to reveal the content)</noscript>

class giảng viên (open)
class giảng viên (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
package lesson16[/color][color=#007700]; public class [/color][color=#0000bb]giangvien [/color][color=#007700]extends [/color][color=#0000bb]nhansu[/color][color=#007700]{private [/color][color=#0000bb]double luong[/color][color=#007700]; public [/color][color=#0000bb]double getluong[/color][color=#007700]() {return [/color][color=#0000bb]luong[/color][color=#007700];} public [/color][color=#0000bb]void setluong[/color][color=#007700]([/color][color=#0000bb]double luong[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]luong [/color][color=#007700]= [/color][color=#0000bb]luong[/color][color=#007700];} }[/color] 

</blockquote></div>
</div>
</div>

<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>class sinh vien (move your mouse to reveal the content)</noscript>

class sinh vien (open)
class sinh vien (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
package lesson16[/color][color=#007700]; public class [/color][color=#0000bb]sinhvien [/color][color=#007700]extends [/color][color=#0000bb]nhansu[/color][color=#007700]{ private [/color][color=#0000bb]double no[/color][color=#007700]; public [/color][color=#0000bb]double getno[/color][color=#007700]() {return [/color][color=#0000bb]no[/color][color=#007700];} public [/color][color=#0000bb]void setno[/color][color=#007700]([/color][color=#0000bb]double no[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]no [/color][color=#007700]= [/color][color=#0000bb]no[/color][color=#007700];} }[/color] 

</blockquote></div>
</div>
</div>

<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>class giám đốc (move your mouse to reveal the content)</noscript>

class giám đốc (open)
class giám đốc (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
package lesson16[/color][color=#007700]; public class [/color][color=#0000bb]giamdoc [/color][color=#007700]extends [/color][color=#0000bb]nhansu[/color][color=#007700]{ private [/color][color=#0000bb]double tientieu[/color][color=#007700]; public [/color][color=#0000bb]double gettientieu[/color][color=#007700]() {return [/color][color=#0000bb]tientieu[/color][color=#007700];} public [/color][color=#0000bb]void settientieu[/color][color=#007700]([/color][color=#0000bb]double tientieu[/color][color=#007700]) {[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieu [/color][color=#007700]= [/color][color=#0000bb]tientieu[/color][color=#007700];} }[/color] 

</blockquote></div>
</div>
</div>

<div class="bbcodeblock bbcodequote bbcmspoilerblock">
<div class="attribution type"><noscript>main (move your mouse to reveal the content)</noscript>

main (open)
main (close)

</div>
<div class="quotecontent">
<div class="bbcm_spoiler_noscript"><blockquote>

[color=#000000]
package lesson16[/color][color=#007700]; [/color][color=#0000bb]import [/color][color=#007700]static [/color][color=#0000bb]java[/color][color=#007700].[/color][color=#0000bb]lang[/color][color=#007700].[/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700]; [/color][color=#0000bb]import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700]; public class [/color][color=#0000bb]truyvan [/color][color=#007700]{ public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) { [/color][color=#0000bb]scanner input [/color][color=#007700]= new [/color][color=#0000bb]scanner [/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]); [/color][color=#0000bb]giangvien gv [/color][color=#007700]= new [/color][color=#0000bb]giangvien[/color][color=#007700](); [/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ho ten giang vien: "[/color][color=#007700]);[/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]sethoten[/color][color=#007700]([/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]()); [/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nam sinh: "[/color][color=#007700]);[/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]setnamsinh[/color][color=#007700]([/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextfloat[/color][color=#007700]()); [/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ma the: "[/color][color=#007700]);[/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]setmathe[/color][color=#007700]([/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextdouble[/color][color=#007700]()); [/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"luong: "[/color][color=#007700]);[/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]setluong[/color][color=#007700]([/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextdouble[/color][color=#007700]()); [/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"giang vien " [/color][color=#007700]+ [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]gethoten[/color][color=#007700]());[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"sinh nam: " [/color][color=#007700]+ [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]getnamsinh[/color][color=#007700]());[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ma the: " [/color][color=#007700]+ [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]getmathe[/color][color=#007700]());[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"luong: " [/color][color=#007700]+ [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]getluong[/color][color=#007700]());} }[/color] 

</blockquote></div>
</div>
</div>

</blockquote></div>
</div>
</div>

[phuongdk]

[color=#000000]
import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700];    [/color][color=#ff8000]/** * created by whynotme on 09/03/2015. */[/color][color=#007700]class [/color][color=#0000bb]thongtin [/color][color=#007700]{    private [/color][color=#0000bb]string hoten[/color][color=#007700];    private [/color][color=#0000bb]int namsinh[/color][color=#007700];    private [/color][color=#0000bb]string mathe[/color][color=#007700];        public [/color][color=#0000bb]void sethoten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700];    }        public [/color][color=#0000bb]void setnamsinh[/color][color=#007700]([/color][color=#0000bb]int namsinh[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh [/color][color=#007700]= [/color][color=#0000bb]namsinh[/color][color=#007700];    }        public [/color][color=#0000bb]void setmathe[/color][color=#007700]([/color][color=#0000bb]string mathe[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe [/color][color=#007700]= [/color][color=#0000bb]mathe[/color][color=#007700];    }        public [/color][color=#0000bb]string gethoten[/color][color=#007700]() {        return [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]hoten[/color][color=#007700];    }        public [/color][color=#0000bb]int getnamsinh[/color][color=#007700]() {        return [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]namsinh[/color][color=#007700];    }        public [/color][color=#0000bb]string getmathe[/color][color=#007700]() {        return [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]mathe[/color][color=#007700];    }        public [/color][color=#0000bb]void input[/color][color=#007700]() {        [/color][color=#0000bb]scanner sc [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhap ho ten vao day :"[/color][color=#007700]);        [/color][color=#0000bb]sethoten[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhap nam sinh vao day :"[/color][color=#007700]);        [/color][color=#0000bb]setnamsinh[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());        [/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhap ma the vao day :"[/color][color=#007700]);        [/color][color=#0000bb]setmathe[/color][color=#007700]([/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]());    }        public [/color][color=#0000bb]void output[/color][color=#007700]() {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ho ten : " [/color][color=#007700]+ [/color][color=#0000bb]gethoten[/color][color=#007700]());            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nam sinh : " [/color][color=#007700]+ [/color][color=#0000bb]getnamsinh[/color][color=#007700]());            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"ma the : " [/color][color=#007700]+ [/color][color=#0000bb]getmathe[/color][color=#007700]());        }}    class [/color][color=#0000bb]sinhvien [/color][color=#007700]extends [/color][color=#0000bb]thongtin [/color][color=#007700]{    private [/color][color=#0000bb]int tienhocphi[/color][color=#007700];        public [/color][color=#0000bb]void settienhocphi[/color][color=#007700]([/color][color=#0000bb]int tienhocphi[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienhocphi [/color][color=#007700]= [/color][color=#0000bb]tienhocphi[/color][color=#007700];    }        public [/color][color=#0000bb]int gettienhocphi[/color][color=#007700]() {        return [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienhocphi[/color][color=#007700];    }        public [/color][color=#0000bb]void inputsv[/color][color=#007700](){        [/color][color=#0000bb]scanner scsv [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhap tien hoc phi"[/color][color=#007700]);        [/color][color=#0000bb]settienhocphi[/color][color=#007700]([/color][color=#0000bb]scsv[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());    }    public [/color][color=#0000bb]void outputsv[/color][color=#007700](){        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"tien hoc phi :" [/color][color=#007700]+ [/color][color=#0000bb]gettienhocphi[/color][color=#007700]());    }}    class [/color][color=#0000bb]giangvien [/color][color=#007700]extends [/color][color=#0000bb]thongtin [/color][color=#007700]{    private [/color][color=#0000bb]int tienluong[/color][color=#007700];        public [/color][color=#0000bb]void settienluong[/color][color=#007700]([/color][color=#0000bb]int tienhocphi[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienluong [/color][color=#007700]= [/color][color=#0000bb]tienhocphi[/color][color=#007700];    }        public [/color][color=#0000bb]int gettienluong[/color][color=#007700]() {        return [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tienluong[/color][color=#007700];    }        public [/color][color=#0000bb]void inputgv[/color][color=#007700](){        [/color][color=#0000bb]scanner scsv [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhap tien luong"[/color][color=#007700]);        [/color][color=#0000bb]settienluong[/color][color=#007700]([/color][color=#0000bb]scsv[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());    }    public [/color][color=#0000bb]void outputgv[/color][color=#007700](){        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"tien luong :" [/color][color=#007700]+ [/color][color=#0000bb]gettienluong[/color][color=#007700]());    }}    class [/color][color=#0000bb]giamdoc [/color][color=#007700]extends [/color][color=#0000bb]thongtin [/color][color=#007700]{    private [/color][color=#0000bb]int tientieuhangthang[/color][color=#007700];        public [/color][color=#0000bb]void settientieuhangthang[/color][color=#007700]([/color][color=#0000bb]int tienhocphi[/color][color=#007700]) {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieuhangthang [/color][color=#007700]= [/color][color=#0000bb]tienhocphi[/color][color=#007700];    }        public [/color][color=#0000bb]int gettientieuhangthang[/color][color=#007700]() {        return [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]tientieuhangthang[/color][color=#007700];    }        public [/color][color=#0000bb]void inputgd[/color][color=#007700]() {        [/color][color=#0000bb]scanner scsv [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhap tien tieu hang thang"[/color][color=#007700]);        [/color][color=#0000bb]settientieuhangthang[/color][color=#007700]([/color][color=#0000bb]scsv[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]());    }        public [/color][color=#0000bb]void outputgd[/color][color=#007700]() {        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"tien tieu hang thang :" [/color][color=#007700]+ [/color][color=#0000bb]gettientieuhangthang[/color][color=#007700]());    }}class [/color][color=#0000bb]information [/color][color=#007700]{    public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]args[/color][color=#007700]) {        [/color][color=#0000bb]scanner sc [/color][color=#007700]= new [/color][color=#0000bb]scanner[/color][color=#007700]([/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]in[/color][color=#007700]);            [/color][color=#0000bb]sinhvien sv [/color][color=#007700]= new [/color][color=#0000bb]sinhvien[/color][color=#007700]();        [/color][color=#0000bb]giangvien gv [/color][color=#007700]= new [/color][color=#0000bb]giangvien[/color][color=#007700]();        [/color][color=#0000bb]giamdoc gd [/color][color=#007700]= new [/color][color=#0000bb]giamdoc[/color][color=#007700]();            [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]input[/color][color=#007700]();        [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]inputgv[/color][color=#007700]();        [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]output[/color][color=#007700]();        [/color][color=#0000bb]gv[/color][color=#007700].[/color][color=#0000bb]outputgv[/color][color=#007700]();    }}[/color]