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  1. #11
    Ngày tham gia
    Jul 2014
    Bài viết
    0
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    Mã nguồn PHP:
    [color=#000000]
    package hanghoa[/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]//tên hàng,mã hàng,số lượng hàng,giá hàng //mua vào 8h->17h giảm 5% //tạo phương thức tính tổng tiền //tạo đối tượng nhập vào từ console[/color][color=#007700]class [/color][color=#0000bb]hanghoa [/color][color=#007700]{ public [/color][color=#0000bb]string tenhang[/color][color=#007700]; public [/color][color=#0000bb]string mahang[/color][color=#007700]; public [/color][color=#0000bb]int soluonghang[/color][color=#007700]; public [/color][color=#0000bb]float giahang[/color][color=#007700]; public [/color][color=#0000bb]int time[/color][color=#007700]; public [/color][color=#0000bb]float tongtien[/color][color=#007700]; public [/color][color=#0000bb]void nhap[/color][color=#007700](){ [/color][color=#0000bb]scanner s[/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]"nhập vào tên hàng: "[/color][color=#007700]); [/color][color=#0000bb]tenhang[/color][color=#007700]=[/color][color=#0000bb]s[/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]"nhập vào mã hàng: "[/color][color=#007700]); [/color][color=#0000bb]mahang[/color][color=#007700]=[/color][color=#0000bb]s[/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]"nhập vào số lượng hàng: "[/color][color=#007700]); [/color][color=#0000bb]soluonghang[/color][color=#007700]=[/color][color=#0000bb]s[/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]"nhập vào giá hàng: "[/color][color=#007700]); [/color][color=#0000bb]giahang[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextfloat[/color][color=#007700](); try { [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhập vào thời gian"[/color][color=#007700]); [/color][color=#0000bb]s[/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]time [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); if (([/color][color=#0000bb]time[/color][color=#007700]>[/color][color=#0000bb]24[/color][color=#007700]) ||([/color][color=#0000bb]time[/color][color=#007700]<[/color][color=#0000bb]0[/color][color=#007700])) { throw new [/color][color=#0000bb]exception[/color][color=#007700](); } } catch([/color][color=#0000bb]exception e[/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]"nhập sai thời gian! "[/color][color=#007700]); exit(); } } public [/color][color=#0000bb]void xuat[/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]"tên hàng là: "[/color][color=#007700]+[/color][color=#0000bb]tenhang[/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 hàng là: "[/color][color=#007700]+[/color][color=#0000bb]mahang[/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]"số lượng hàng là: "[/color][color=#007700]+[/color][color=#0000bb]soluonghang[/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]"giá hàng là: "[/color][color=#007700]+[/color][color=#0000bb]giahang[/color][color=#007700]); if(([/color][color=#0000bb]time[/color][color=#007700]>[/color][color=#0000bb]8[/color][color=#007700])&&([/color][color=#0000bb]time[/color][color=#007700]<[/color][color=#0000bb]17[/color][color=#007700])){ [/color][color=#0000bb]tongtien[/color][color=#007700]=([/color][color=#0000bb]soluonghang[/color][color=#007700]+[/color][color=#0000bb]giahang[/color][color=#007700])-(([/color][color=#0000bb]soluonghang[/color][color=#007700]+[/color][color=#0000bb]giahang[/color][color=#007700])*[/color][color=#0000bb]5[/color][color=#007700])/[/color][color=#0000bb]100[/color][color=#007700]; } else{ [/color][color=#0000bb]tongtien[/color][color=#007700]=[/color][color=#0000bb]soluonghang[/color][color=#007700]+[/color][color=#0000bb]giahang[/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]"tổng số tiền là: "[/color][color=#007700]+[/color][color=#0000bb]tongtien[/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 s[/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]hanghoa hh[/color][color=#007700]=new [/color][color=#0000bb]hanghoa[/color][color=#007700](); [/color][color=#0000bb]hh[/color][color=#007700].[/color][color=#0000bb]nhap[/color][color=#007700](); [/color][color=#0000bb]hh[/color][color=#007700].[/color][color=#0000bb]xuat[/color][color=#007700](); } private [/color][color=#0000bb]void [/color][color=#007700]exit() { throw new [/color][color=#0000bb]unsupportedoperationexception[/color][color=#007700]([/color][color=#dd0000]"not yet implemented"[/color][color=#007700]); }}[/color] 
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  2. #12
    Ngày tham gia
    Jun 2014
    Bài viết
    0
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    Mã:
    package javaandroid.vn;
     
    import java.util.scanner;
     
    class hanghoa{
        public string tenhang;
        public string mahang;
        public float giahang;
        public int soluong;
        public float thoigianmua;
        public float tongtien;
       
        public void tinhs(){
            if(thoigianmua>=8 && thoigianmua<=17){
                giahang =(giahang*95/100);
            }
            tongtien=giahang*soluong;
            system.out.println("tong tien thanh toan: "+tongtien);
        //    return tongtien;
        }
        public void ttmuahang(){
            system.out.print(tenhang);
            system.out.print("\t"+mahang);
            system.out.print("\t"+giahang);
            system.out.print("\t"+soluong);
            system.out.print("\t"+thoigianmua+"
    ");
            tinhs();
        }
    }
    public class btbai14 {
        public static void main(string[]args){
            scanner in=new scanner(system.in);
            hanghoa h=new hanghoa();
            system.out.print("ten hang: ");
            h.tenhang=in.nextline();
            system.out.print("ma hang: ");
            h.mahang=in.nextline();
            system.out.print("gia: ");
            h.giahang=in.nextfloat();
            system.out.print("so luong: ");
            h.soluong=in.nextint();
            system.out.print("thoi gian mua: ");
            h.thoigianmua=in.nextfloat();
            in.nextline();
            system.out.println("thong tin mua hang: ");
            h.ttmuahang();
        }
    }
    </blockquote></div>
    </div>
    </div>

  3. #13
    Ngày tham gia
    May 2015
    Bài viết
    5
    coding

  4. #14
    Ngày tham gia
    Mar 2015
    Bài viết
    0
    đã ngâm cứu kỹ. english và android.vn
    thanks tiasangmoi92

  5. #15
    Ngày tham gia
    May 2014
    Bài viết
    4
    dạo này load lâu dử. không thôi cũng được fan like nhiều rồi.
    mong được sử sai để thấy lổi của mình.
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    Mã nguồn PHP:
    [color=#000000]
    package structure[/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]hanghoa [/color][color=#007700]{ [/color][color=#0000bb]string ten[/color][color=#007700], [/color][color=#0000bb]ma[/color][color=#007700]; static [/color][color=#0000bb]int gia[/color][color=#007700]; static [/color][color=#0000bb]int soluong[/color][color=#007700]; static [/color][color=#0000bb]int time[/color][color=#007700]; private [/color][color=#0000bb]scanner in[/color][color=#007700]; public [/color][color=#0000bb]void input[/color][color=#007700]() { [/color][color=#0000bb]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]); [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhapten: "[/color][color=#007700]); [/color][color=#0000bb]ten [/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].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhapma: "[/color][color=#007700]); [/color][color=#0000bb]ma [/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].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhapgia "[/color][color=#007700]); [/color][color=#0000bb]gia [/color][color=#007700]= [/color][color=#0000bb]in[/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]"nhapsoluong"[/color][color=#007700]); [/color][color=#0000bb]soluong [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); do { [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"nhapthoigianmua "[/color][color=#007700]); [/color][color=#0000bb]time [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); } while( [/color][color=#0000bb]time [/color][color=#007700]<[/color][color=#0000bb]0 [/color][color=#007700]|| [/color][color=#0000bb]time[/color][color=#007700]>[/color][color=#0000bb]24 [/color][color=#007700]); }[/color][color=#ff8000]//method input. [/color][color=#007700]public [/color][color=#0000bb]float sum[/color][color=#007700]([/color][color=#0000bb]int gia[/color][color=#007700], [/color][color=#0000bb]int soluong [/color][color=#007700]) { if([/color][color=#0000bb]time [/color][color=#007700]>=[/color][color=#0000bb]5 [/color][color=#007700]&& [/color][color=#0000bb]time[/color][color=#007700]<=[/color][color=#0000bb]17 [/color][color=#007700]) return ((float) ([/color][color=#0000bb]soluong[/color][color=#007700]*[/color][color=#0000bb]gia[/color][color=#007700])*((float) [/color][color=#0000bb]95[/color][color=#007700]/[/color][color=#0000bb]100[/color][color=#007700]) ); else return ([/color][color=#0000bb]soluong[/color][color=#007700]*[/color][color=#0000bb]gia[/color][color=#007700]); }[/color][color=#ff8000]// method sum. [/color][color=#007700]public [/color][color=#0000bb]void show[/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]"nguoi mua: "[/color][color=#007700]+[/color][color=#0000bb]ten[/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 hang: "[/color][color=#007700]+[/color][color=#0000bb]ma[/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]"so luong: "[/color][color=#007700]+[/color][color=#0000bb]soluong[/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]"gia san pham: "[/color][color=#007700]+[/color][color=#0000bb]gia[/color][color=#007700]); }[/color][color=#ff8000]//method show. [/color][color=#007700]public static [/color][color=#0000bb]void main[/color][color=#007700]([/color][color=#0000bb]string args [/color][color=#007700][]) { [/color][color=#0000bb]hanghoa in [/color][color=#007700]= new [/color][color=#0000bb]hanghoa[/color][color=#007700](); [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]input[/color][color=#007700](); [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]show[/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]"tong tien: "[/color][color=#007700]+[/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]sum[/color][color=#007700]([/color][color=#0000bb]gia[/color][color=#007700], [/color][color=#0000bb]soluong[/color][color=#007700])); }}[/color][color=#ff8000]// class hanghoa.[/color] 
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  6. #16
    Ngày tham gia
    Mar 2014
    Bài viết
    0
    đây là bài của mình: :d

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    Mã nguồn PHP:
    [color=#000000]
    package com[/color][color=#007700].[/color][color=#0000bb]hanhnv[/color][color=#007700].[/color][color=#0000bb]core[/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]bai14 [/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]goods goods [/color][color=#007700]= new [/color][color=#0000bb]goods[/color][color=#007700](); [/color][color=#0000bb]goods[/color][color=#007700].[/color][color=#0000bb]inputgoods[/color][color=#007700](); [/color][color=#0000bb]goods[/color][color=#007700].[/color][color=#0000bb]showgoods[/color][color=#007700](); }} class [/color][color=#0000bb]goods[/color][color=#007700]{ public [/color][color=#0000bb]string label[/color][color=#007700], [/color][color=#0000bb]code[/color][color=#007700]; public [/color][color=#0000bb]int quantity[/color][color=#007700]; public [/color][color=#0000bb]int price[/color][color=#007700], [/color][color=#0000bb]time[/color][color=#007700]; public [/color][color=#0000bb]int checkout[/color][color=#007700]([/color][color=#0000bb]int quantity[/color][color=#007700], [/color][color=#0000bb]int price[/color][color=#007700], [/color][color=#0000bb]int time[/color][color=#007700]){ [/color][color=#0000bb]int total[/color][color=#007700]; if ([/color][color=#0000bb]time[/color][color=#007700]>=[/color][color=#0000bb]8 [/color][color=#007700]&& [/color][color=#0000bb]time[/color][color=#007700]<=[/color][color=#0000bb]17[/color][color=#007700]) { [/color][color=#0000bb]total [/color][color=#007700]= (int) ([/color][color=#0000bb]price[/color][color=#007700]*[/color][color=#0000bb]quantity [/color][color=#007700]- [/color][color=#0000bb]price[/color][color=#007700]*[/color][color=#0000bb]quantity[/color][color=#007700]*[/color][color=#0000bb]0.05[/color][color=#007700]); } else [/color][color=#0000bb]total [/color][color=#007700]= [/color][color=#0000bb]price[/color][color=#007700]*[/color][color=#0000bb]quantity[/color][color=#007700]; return [/color][color=#0000bb]total[/color][color=#007700]; } public [/color][color=#0000bb]void inputgoods[/color][color=#007700](){ [/color][color=#0000bb]scanner s [/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]"enter goods\'s label: "[/color][color=#007700]); [/color][color=#0000bb]label [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700](); while ([/color][color=#0000bb]label[/color][color=#007700].[/color][color=#0000bb]equals[/color][color=#007700]([/color][color=#dd0000]""[/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]"you mustn\'t enter empty value, please enter again!"[/color][color=#007700]); [/color][color=#0000bb]label [/color][color=#007700]= [/color][color=#0000bb]s[/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]"enter goods\'s code: "[/color][color=#007700]); [/color][color=#0000bb]code [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700](); while ([/color][color=#0000bb]code[/color][color=#007700].[/color][color=#0000bb]equals[/color][color=#007700]([/color][color=#dd0000]""[/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]"you mustn\'t enter empty value, please enter again!"[/color][color=#007700]); [/color][color=#0000bb]code [/color][color=#007700]= [/color][color=#0000bb]s[/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]"enter quantity of goods: "[/color][color=#007700]); [/color][color=#0000bb]quantity [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); while ([/color][color=#0000bb]quantity[/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]"please dot not enter quantity less than zero, enter again!"[/color][color=#007700]); [/color][color=#0000bb]quantity [/color][color=#007700]= [/color][color=#0000bb]s[/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]"enter price of goods: "[/color][color=#007700]); [/color][color=#0000bb]price [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); while ([/color][color=#0000bb]price[/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]"please dot not enter price less than zero, enter again!"[/color][color=#007700]); [/color][color=#0000bb]price [/color][color=#007700]= [/color][color=#0000bb]s[/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]"enter buy time: "[/color][color=#007700]); [/color][color=#0000bb]time [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); while ([/color][color=#0000bb]time[/color][color=#007700]>[/color][color=#0000bb]24 [/color][color=#007700]|| [/color][color=#0000bb]time[/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]"please enter time from 0h to 24h, enter again!"[/color][color=#007700]); [/color][color=#0000bb]time [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); } } public [/color][color=#0000bb]void showgoods[/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]"goods\'s label: "[/color][color=#007700]+[/color][color=#0000bb]label[/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]"goods\'s code: "[/color][color=#007700]+[/color][color=#0000bb]code[/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]"goods\'s quantity: "[/color][color=#007700]+[/color][color=#0000bb]quantity[/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]"goods\'s price: "[/color][color=#007700]+[/color][color=#0000bb]price[/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]"goods\'s buy time: "[/color][color=#007700]+[/color][color=#0000bb]time[/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]"total value of goods: "[/color][color=#007700]+[/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]checkout[/color][color=#007700]([/color][color=#0000bb]quantity[/color][color=#007700], [/color][color=#0000bb]price[/color][color=#007700], [/color][color=#0000bb]time[/color][color=#007700])); }}[/color] 
    </blockquote></div>
    </div>
    </div>

  7. #17
    Ngày tham gia
    Apr 2016
    Bài viết
    0
    nhờ các bạn xem giúp mình và cho lời nhận xét để mình khắc phục. cảm ơn!
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    Mã nguồn PHP:
    [color=#000000]
    package unit14[/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]//tạo lớp hàng hóa gồm: tên hàng, mã hàng, giá hàng, số lượng.//nếu mua vào khoảng 8h -> 17h hàng ngày , được giảm giá 5%//tạo phương thức tính tổng tiền.//tạo 1 đối tượng, nhập các giá trị từ màn hình console.//in toàn bộ thông tin đơn hàng ra ngoài màn hình console gồm://tên, mã, giá, số lượng, thời gian mua.[/color][color=#007700]public class [/color][color=#0000bb]hanghoa [/color][color=#007700]{ private [/color][color=#0000bb]string tenhang[/color][color=#007700], [/color][color=#0000bb]mahang[/color][color=#007700]; private [/color][color=#0000bb]int giaban[/color][color=#007700], [/color][color=#0000bb]soluong[/color][color=#007700], [/color][color=#0000bb]thoigian[/color][color=#007700]; public [/color][color=#0000bb]void nhaptt[/color][color=#007700]() { [/color][color=#0000bb]scanner scan [/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]"
    ten hang:"[/color][color=#007700]); [/color][color=#0000bb]tenhang [/color][color=#007700]= [/color][color=#0000bb]scan[/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 hang:"[/color][color=#007700]); [/color][color=#0000bb]mahang [/color][color=#007700]= [/color][color=#0000bb]scan[/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]"
    gia ban:"[/color][color=#007700]); do { [/color][color=#0000bb]giaban [/color][color=#007700]= [/color][color=#0000bb]scan[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); if ([/color][color=#0000bb]giaban [/color][color=#007700]< [/color][color=#0000bb]0[/color][color=#007700]) { [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap gia ban >0"[/color][color=#007700]); [/color][color=#0000bb]giaban [/color][color=#007700]= [/color][color=#0000bb]scan[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); } } while ([/color][color=#0000bb]giaban [/color][color=#007700]< [/color][color=#0000bb]0[/color][color=#007700]); [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"
    so luong:"[/color][color=#007700]); do { [/color][color=#0000bb]soluong [/color][color=#007700]= [/color][color=#0000bb]scan[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); if ([/color][color=#0000bb]soluong [/color][color=#007700]< [/color][color=#0000bb]0[/color][color=#007700]) { [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap so luong >0"[/color][color=#007700]); [/color][color=#0000bb]soluong [/color][color=#007700]= [/color][color=#0000bb]scan[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); } } while ([/color][color=#0000bb]soluong [/color][color=#007700]< [/color][color=#0000bb]0[/color][color=#007700]); [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"
    thoi gian mua:"[/color][color=#007700]); do { [/color][color=#0000bb]thoigian [/color][color=#007700]= [/color][color=#0000bb]scan[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); if ([/color][color=#0000bb]thoigian [/color][color=#007700]< [/color][color=#0000bb]0 [/color][color=#007700]|| [/color][color=#0000bb]thoigian [/color][color=#007700]> [/color][color=#0000bb]24[/color][color=#007700]) { [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap lai thoi gian:"[/color][color=#007700]); [/color][color=#0000bb]thoigian [/color][color=#007700]= [/color][color=#0000bb]scan[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); } } while ([/color][color=#0000bb]thoigian [/color][color=#007700]< [/color][color=#0000bb]0 [/color][color=#007700]|| [/color][color=#0000bb]thoigian [/color][color=#007700]> [/color][color=#0000bb]24[/color][color=#007700]); } public [/color][color=#0000bb]void hientt[/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 don hang:"[/color][color=#007700]); [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"
    ten:" [/color][color=#007700]+ [/color][color=#0000bb]tenhang [/color][color=#007700]+ [/color][color=#dd0000]"
    ma hang:" [/color][color=#007700]+ [/color][color=#0000bb]mahang [/color][color=#007700]+ [/color][color=#dd0000]"
    don gia:" [/color][color=#007700]+ [/color][color=#0000bb]giaban[/color][color=#007700]); [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"
    so luong:" [/color][color=#007700]+ [/color][color=#0000bb]soluong [/color][color=#007700]+ [/color][color=#dd0000]"
    thoi gian mua:" [/color][color=#007700]+ [/color][color=#0000bb]thoigian[/color][color=#007700]); } public [/color][color=#0000bb]int tongtien[/color][color=#007700]() { if ([/color][color=#0000bb]thoigian [/color][color=#007700]>= [/color][color=#0000bb]8 [/color][color=#007700]&& [/color][color=#0000bb]thoigian [/color][color=#007700]<= [/color][color=#0000bb]17[/color][color=#007700]) { return (int) ([/color][color=#0000bb]0.95 [/color][color=#007700]* [/color][color=#0000bb]soluong [/color][color=#007700]* [/color][color=#0000bb]giaban[/color][color=#007700]); } else { return (int) [/color][color=#0000bb]soluong [/color][color=#007700]* [/color][color=#0000bb]giaban[/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]hanghoa hh [/color][color=#007700]= new [/color][color=#0000bb]hanghoa[/color][color=#007700](); [/color][color=#0000bb]hh[/color][color=#007700].[/color][color=#0000bb]nhaptt[/color][color=#007700](); [/color][color=#0000bb]hh[/color][color=#007700].[/color][color=#0000bb]hientt[/color][color=#007700](); [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"
    tong tien:" [/color][color=#007700]+ [/color][color=#0000bb]hh[/color][color=#007700].[/color][color=#0000bb]tongtien[/color][color=#007700]()); }}[/color] 
    </blockquote></div>
    </div>
    </div>

  8. #18
    Ngày tham gia
    Jan 2015
    Bài viết
    0
    exception in thread "main" java.lang.nosuchfielderror: lop
    at javademoandroidvn.javademo.main(javademo.java:31)
    lỗi này là gì vậy ad ơi, mình làm y chang như bài tính dtb với học lực mà k chạy được, hic

  9. #19
    Ngày tham gia
    Mar 2015
    Bài viết
    0
    Trích dẫn Gửi bởi vjrus.ht
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    Mã nguồn PHP:
    [color=#000000]
    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]hanghoa[/color][color=#007700]{ public [/color][color=#0000bb]string tenhang[/color][color=#007700]; public [/color][color=#0000bb]string mahang[/color][color=#007700]; public [/color][color=#0000bb]long dongia[/color][color=#007700]; public [/color][color=#0000bb]int soluong[/color][color=#007700]; public [/color][color=#0000bb]int time[/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 tên hàng: "[/color][color=#007700]); [/color][color=#0000bb]tenhang [/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]" mã hàng: "[/color][color=#007700]); [/color][color=#0000bb]mahang [/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]" đơn giá: "[/color][color=#007700]); [/color][color=#0000bb]dongia [/color][color=#007700]= [/color][color=#0000bb]inp[/color][color=#007700].[/color][color=#0000bb]nextlong[/color][color=#007700](); [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]" số lượng: "[/color][color=#007700]); [/color][color=#0000bb]soluong [/color][color=#007700]= [/color][color=#0000bb]inp[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); do { [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]" thời gian mua: "[/color][color=#007700]); [/color][color=#0000bb]time [/color][color=#007700]= [/color][color=#0000bb]inp[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); } while (([/color][color=#0000bb]time [/color][color=#007700]> [/color][color=#0000bb]24[/color][color=#007700]) || ([/color][color=#0000bb]time [/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]""[/color][color=#007700]); } public [/color][color=#0000bb]long sum[/color][color=#007700]([/color][color=#0000bb]long dg[/color][color=#007700], [/color][color=#0000bb]int sl[/color][color=#007700], [/color][color=#0000bb]int time[/color][color=#007700]) { if (([/color][color=#0000bb]time [/color][color=#007700]> [/color][color=#0000bb]8[/color][color=#007700]) && ([/color][color=#0000bb]time [/color][color=#007700]< [/color][color=#0000bb]17[/color][color=#007700])) { return ([/color][color=#0000bb]long[/color][color=#007700]) ([/color][color=#0000bb]dg [/color][color=#007700]* [/color][color=#0000bb]sl [/color][color=#007700]- [/color][color=#0000bb]dg [/color][color=#007700]* [/color][color=#0000bb]sl [/color][color=#007700]* [/color][color=#0000bb]0.05[/color][color=#007700]); } return [/color][color=#0000bb]dg [/color][color=#007700]* [/color][color=#0000bb]sl[/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]"tên hàng mã hàng slượng đơn giá t/g mua thành tiền"[/color][color=#007700]); [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#0000bb]tenhang[/color][color=#007700]+[/color][color=#dd0000]"\t\t"[/color][color=#007700]+[/color][color=#0000bb]mahang[/color][color=#007700]+[/color][color=#dd0000]"\t"[/color][color=#007700]+[/color][color=#0000bb]soluong[/color][color=#007700]+[/color][color=#dd0000]"\t "[/color][color=#007700]+[/color][color=#0000bb]dongia[/color][color=#007700]+[/color][color=#dd0000]"\t\t"[/color][color=#007700]+[/color][color=#0000bb]time[/color][color=#007700]+[/color][color=#dd0000]" \t"[/color][color=#007700]); }} public class [/color][color=#0000bb]unit14 [/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]hanghoa a [/color][color=#007700]= new [/color][color=#0000bb]hanghoa[/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]"nhập thông tin" [/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]output[/color][color=#007700](); [/color][color=#0000bb]long total [/color][color=#007700]= [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]sum[/color][color=#007700]([/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]dongia[/color][color=#007700], [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]soluong[/color][color=#007700], [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]time[/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]total[/color][color=#007700]); }}[/color] 
    </blockquote></div>
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    </div>
    bạn ơi sao mình không in ra được tổng tiền lúc không giảm giá được vậy, cứ lệch ra 8h với 17h là nó in ra đơn giá chứ không có in ra tổng tiền .

  10. #20
    Ngày tham gia
    Jul 2014
    Bài viết
    0
    bai 1:
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    Mã nguồn PHP:
    [color=#000000]
    [/color][color=#007700]public class [/color][color=#0000bb]hanghoa [/color][color=#007700]{ public [/color][color=#0000bb]string tenhang[/color][color=#007700]; public [/color][color=#0000bb]string mahang[/color][color=#007700]; public [/color][color=#0000bb]float giahang[/color][color=#007700]; public [/color][color=#0000bb]int soluong[/color][color=#007700]; public [/color][color=#0000bb]date thoigianmua[/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]simpledateformat dinhdangthoigian [/color][color=#007700]= new [/color][color=#0000bb]simpledateformat[/color][color=#007700]([/color][color=#dd0000]"yyyy-mm-dd hh:mm:ss"[/color][color=#007700]); public [/color][color=#0000bb]void nhap[/color][color=#007700](){ [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập mã hàng: "[/color][color=#007700]); [/color][color=#0000bb]mahang [/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]"nhập tên hàng: "[/color][color=#007700]); [/color][color=#0000bb]tenhang [/color][color=#007700]= [/color][color=#0000bb]input[/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]"nhập giá hàng (>0): "[/color][color=#007700]); [/color][color=#0000bb]giahang [/color][color=#007700]= [/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); } while ( [/color][color=#0000bb]giahang [/color][color=#007700]< [/color][color=#0000bb]0 [/color][color=#007700]); do { [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhập số lượng: "[/color][color=#007700]); [/color][color=#0000bb]soluong [/color][color=#007700]= [/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700](); } while ( [/color][color=#0000bb]soluong [/color][color=#007700]< [/color][color=#0000bb]0 [/color][color=#007700]); [/color][color=#0000bb]date thoigian [/color][color=#007700]= new [/color][color=#0000bb]date[/color][color=#007700](); [/color][color=#0000bb]thoigianmua [/color][color=#007700]= [/color][color=#0000bb]thoigian[/color][color=#007700]; } public [/color][color=#0000bb]void xuatmanhinh[/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]"thông tin hàng hóa đã mua"[/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 hàng: " [/color][color=#007700]+ [/color][color=#0000bb]mahang[/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]"tên hàng: " [/color][color=#007700]+ [/color][color=#0000bb]tenhang[/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]"giá hàng: " [/color][color=#007700]+ [/color][color=#0000bb]giahang[/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]"số lượng: " [/color][color=#007700]+ [/color][color=#0000bb]soluong[/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]"tổng tiền: " [/color][color=#007700]+ [/color][color=#0000bb]tongtien[/color][color=#007700]([/color][color=#0000bb]giahang[/color][color=#007700], [/color][color=#0000bb]soluong[/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]"thời gian mua: " [/color][color=#007700]+ [/color][color=#0000bb]dinhdangthoigian[/color][color=#007700].[/color][color=#0000bb]format[/color][color=#007700]([/color][color=#0000bb]thoigianmua[/color][color=#007700].[/color][color=#0000bb]gettime[/color][color=#007700]())); } public [/color][color=#0000bb]float tongtien[/color][color=#007700]([/color][color=#0000bb]float giahang[/color][color=#007700], [/color][color=#0000bb]int soluong[/color][color=#007700]){ [/color][color=#0000bb]float giagiam [/color][color=#007700]= [/color][color=#0000bb]giahang[/color][color=#007700]; if ([/color][color=#0000bb]thoigianmua[/color][color=#007700].[/color][color=#0000bb]gethours[/color][color=#007700]() >= [/color][color=#0000bb]8 [/color][color=#007700]&& [/color][color=#0000bb]thoigianmua[/color][color=#007700].[/color][color=#0000bb]gethours[/color][color=#007700]() <= [/color][color=#0000bb]17[/color][color=#007700]) [/color][color=#0000bb]giagiam [/color][color=#007700]= (float) ([/color][color=#0000bb]giahang [/color][color=#007700]- [/color][color=#0000bb]giahang[/color][color=#007700]*[/color][color=#0000bb]0.05[/color][color=#007700]); return ([/color][color=#0000bb]giagiam [/color][color=#007700]* [/color][color=#0000bb]soluong[/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]hanghoa hh [/color][color=#007700]= new [/color][color=#0000bb]hanghoa[/color][color=#007700](); [/color][color=#0000bb]hh[/color][color=#007700].[/color][color=#0000bb]nhap[/color][color=#007700](); [/color][color=#0000bb]hh[/color][color=#007700].[/color][color=#0000bb]xuatmanhinh[/color][color=#007700](); }[/color] 
    </blockquote></div>
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