Bài 25: So sánh chuỗi trong Java

**chasuizxcute** · 09-30-2013, 07:00 AM

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Mã:

public class btbai25b{
    public static void main(string[]args){
        string []arr={"nguyen van h","nguyen tai a","nguyen thi h","le van nguyen","le nguyen a"};
        string tk="a";
        int n=arr.length;
        int i,j;
        int dem=0;
        // in ds sv da dao ten
        system.out.println("ds sv da dao ten:");
        for(i=0;i<n;i++)
        {
            system.out.println(daoten(arr[i]));
        }
        //sap xep
        string []dao=new string[20];
        string tmp;
       
        for(i=0; i<n;i++)
        {
            dao[i]=daoten(arr[i]);
        }
       
       
        for(i=0;i<n-1;i++)
        {
            for(j=i+1;j<n;j++)
            {
                if(dao[i].comparetoignorecase(dao[j])>0)
                {
                    tmp=dao[i];
                    dao[i]=dao[j];
                    dao[j]=tmp;
                }
            }
        }
//        in ds hs dao nguoc
        system.out.println("ds ten hs duoc sap xep :");
        for(i=0;i<n;i++)
        {
            system.out.println(dao[i]);
        }
       
        // in ds chinh thuc
        string []b=new string[20];
        system.out.println("ds chinh thuc: ");
       
        for(i=0;i<n;i++)
        {
            b[i]=daoten(daoten(dao[i]));
            system.out.println(daoten(daoten(dao[i])));
        }
        // tim kiem hs ten a
        system.out.println("tim kiem hs co ten : "+tk);
        for(i=0;i<n;i++)
        {
            if(b[i].indexof(tk) != -1)
            {
                system.out.println(b[i]);
                dem++;
            }
        }
        system.out.println("co "+dem+" hs co ten "+tk);
    }
    public static string daoten(string str)
    {                                     
        string[] temp=str.split(" ");
        str ="";
        str=temp[temp.length-1]+" ";
        for (int i=0;i<temp.length-1;i++)
        {
            str=str + temp[i]+" ";
        }
    //  system.out.println(str);
        return str;
    }
   
}

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**tamga1985** · 09-30-2013, 07:00 AM

nobihust:
1/ phần sắp xếp ds hs có chỗ chưa đúng.
vd với ds (nguyen van a; nguyen tai a;nguyen thi h;le van nguyen; le nguyen a)
sẽ ko thỏa mãn tên 2 ban a sắp xếp gần nhau.
2/ phần đảo ngược tên bạn làm rất hay.

**haiduyenvu** · 09-30-2013, 07:00 AM

1 cách sắp xếp tên > mọi người góp ý giúp mình xem nhé
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Mã:

public class btbai25c {
    public static void main(string[]args){
        string s0=new string("nnguyen tai an");
        string s1=new string("nnguyen van bcand");
        string s2=new string("nnguyen khac an");
        string s3=new string("nguyen thi llllll");
        string s4=new string("nguyen thi hong hhhh");
        string s5=new string("nguyen thi hong hhhh");
        string s6=new string("nguyen van a");
        string[]a={s0,s1,s4,s2,s3,s5,s6};
        sapxep(a);
    }
    public static string ten(string s)
    {
        string []a=s.trim().split(" ");
        string s1=a[a.length-1];
//        system.out.println("ten : "+a[a.length-1]);
        return s1;
       
    }
    public static void sapxep(string []a)
    {
        int i,j;
        string tmp;
        for(i=0;i<a.length;i++)
        {
            for(j=i+1;j<a.length;j++)
            {
                if(ten(a[i]).comparetoignorecase(ten(a[j]))>0)
                {
                    tmp=a[i];
                    a[i]=a[j];
                    a[j]=tmp;
                }
            }
        }
        for(i=0;i<a.length;i++)
        {
            system.out.println(a[i]);
        }
    }
}

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thanks

**Tân Việt** · 10-02-2013, 07:00 AM

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Mã nguồn PHP:


[color=#000000]
[/color][color=#ff8000]//tạo 1 mảng các chuỗi là danh sách tên học sinh. nhập vào 1 chuỗi nào đó.//sắp xếp danh sách tên theo thứ tự bảng chữ cái a, b, c.....//tìm kiếm tất cả các tên học sinh giống tuyệt đối hoặc gần giống với từ khóa tìm kiếm đều được hiện ra.//ví dụ nhập từ khóa tìm kiếm: "hoang" thì sẽ hiện ra tất cả các tên sau (nếu như chúng có trong danh sách)://hoang thi yen, nguyen hoang hiep, vu van hoang, hoang, hoang, hoang van tien, ...//(kết quả tìm kiếm không phân biệt chữ hoa và chữ thường!)[/color][color=#0000bb]package bai25[/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]bai25 [/color][color=#007700]{private [/color][color=#0000bb]string name[/color][color=#007700][],[/color][color=#0000bb]dao[/color][color=#007700],[/color][color=#0000bb]tg[/color][color=#007700],[/color][color=#0000bb]t[/color][color=#007700],[/color][color=#0000bb]str1[/color][color=#007700];private [/color][color=#0000bb]int n[/color][color=#007700]; public [/color][color=#0000bb]void nhap[/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]);    [/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 sinh viên cần nhập: "[/color][color=#007700]);    [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]n [/color][color=#007700]= [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]();    [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();    [/color][color=#0000bb]name [/color][color=#007700]= new [/color][color=#0000bb]string[/color][color=#007700][[/color][color=#0000bb]n[/color][color=#007700]];    for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]< [/color][color=#0000bb]n[/color][color=#007700]; [/color][color=#0000bb]i[/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 sinh viên thứ "[/color][color=#007700]+([/color][color=#0000bb]i[/color][color=#007700]+[/color][color=#0000bb]1[/color][color=#007700])+[/color][color=#dd0000]" là: "[/color][color=#007700]);        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]] = [/color][color=#0000bb]in[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();    }} public [/color][color=#0000bb]string ten[/color][color=#007700]([/color][color=#0000bb]string str[/color][color=#007700]){    for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]n[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {      [/color][color=#0000bb]string [/color][color=#007700][] [/color][color=#0000bb]name [/color][color=#007700]= [/color][color=#0000bb]str[/color][color=#007700].[/color][color=#0000bb]split[/color][color=#007700]([/color][color=#dd0000]" "[/color][color=#007700]);      [/color][color=#0000bb]str1 [/color][color=#007700]= [/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]name[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]];    }    return [/color][color=#0000bb]str1[/color][color=#007700];} public [/color][color=#0000bb]void sort[/color][color=#007700](){    for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]n[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {        for ([/color][color=#0000bb]int j [/color][color=#007700]= [/color][color=#0000bb]i[/color][color=#007700]+[/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]j [/color][color=#007700]< [/color][color=#0000bb]n[/color][color=#007700]; [/color][color=#0000bb]j[/color][color=#007700]++) {            if([/color][color=#0000bb]ten[/color][color=#007700]([/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]).[/color][color=#0000bb]comparetoignorecase[/color][color=#007700]([/color][color=#0000bb]ten[/color][color=#007700]([/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]]))>[/color][color=#0000bb]0[/color][color=#007700]){                [/color][color=#0000bb]tg [/color][color=#007700]= [/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]];                [/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]=[/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]];                [/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]]=[/color][color=#0000bb]tg[/color][color=#007700];            }        }    }    for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]name[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/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 sinh viên thứ "[/color][color=#007700]+([/color][color=#0000bb]i[/color][color=#007700]+[/color][color=#0000bb]1[/color][color=#007700])+[/color][color=#dd0000]" là: "[/color][color=#007700]+[/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]);    }}public [/color][color=#0000bb]void search[/color][color=#007700](){    [/color][color=#0000bb]scanner in1 [/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]"từ khóa tên sinh viên cần tìm: "[/color][color=#007700]);    [/color][color=#0000bb]t [/color][color=#007700]= [/color][color=#0000bb]in1[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();    for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]n[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {        [/color][color=#0000bb]tg [/color][color=#007700]= [/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]tolowercase[/color][color=#007700]();        if([/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]indexof[/color][color=#007700]([/color][color=#0000bb]t[/color][color=#007700]) != -[/color][color=#0000bb]1[/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]"có những sinh viên: "[/color][color=#007700]+[/color][color=#0000bb]name[/color][color=#007700][[/color][color=#0000bb]i[/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]bai25 a [/color][color=#007700]= new [/color][color=#0000bb]bai25[/color][color=#007700]();        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]nhap[/color][color=#007700]();        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]sort[/color][color=#007700]();        [/color][color=#0000bb]a[/color][color=#007700].[/color][color=#0000bb]search[/color][color=#007700]();    }}[/color]

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**mayphatdiengiatot** · 10-06-2013, 07:00 AM

Mã nguồn PHP:


[color=#000000]
import java[/color][color=#007700].[/color][color=#0000bb]util[/color][color=#007700].[/color][color=#0000bb]scanner[/color][color=#007700];class [/color][color=#0000bb]sinhvien[/color][color=#007700]{    private [/color][color=#0000bb]string name[/color][color=#007700];    [/color][color=#0000bb]int n[/color][color=#007700];    [/color][color=#0000bb]sinhvien[/color][color=#007700][][/color][color=#0000bb]s[/color][color=#007700];    public [/color][color=#0000bb]sinhvien[/color][color=#007700](){}    public [/color][color=#0000bb]sinhvien[/color][color=#007700]([/color][color=#0000bb]int n[/color][color=#007700])    {        [/color][color=#0000bb]this[/color][color=#007700].[/color][color=#0000bb]n[/color][color=#007700]=[/color][color=#0000bb]n[/color][color=#007700];        [/color][color=#0000bb]s[/color][color=#007700]=new [/color][color=#0000bb]sinhvien[/color][color=#007700][[/color][color=#0000bb]n[/color][color=#007700]];    }    public [/color][color=#0000bb]void nhap[/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]);        for([/color][color=#0000bb]int i[/color][color=#007700]=[/color][color=#0000bb]0[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]<[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]++)        {            [/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]=new [/color][color=#0000bb]sinhvien[/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 cho sinh vien thu "[/color][color=#007700]+([/color][color=#0000bb]i[/color][color=#007700]+[/color][color=#0000bb]1[/color][color=#007700]));            [/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name[/color][color=#007700]=[/color][color=#0000bb]sc[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        }    }    public [/color][color=#0000bb]void chuanhoa[/color][color=#007700]()    {        for([/color][color=#0000bb]int i[/color][color=#007700]=[/color][color=#0000bb]0[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]<[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]++)        {            [/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name[/color][color=#007700].[/color][color=#0000bb]trim[/color][color=#007700]();            do{                [/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name[/color][color=#007700].[/color][color=#0000bb]replace[/color][color=#007700]([/color][color=#dd0000]"  "[/color][color=#007700], [/color][color=#dd0000]" "[/color][color=#007700]);            }while([/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name[/color][color=#007700].[/color][color=#0000bb]indexof[/color][color=#007700]([/color][color=#dd0000]"  "[/color][color=#007700])!=-[/color][color=#0000bb]1[/color][color=#007700]);        }    }    public [/color][color=#0000bb]string get_name[/color][color=#007700]([/color][color=#0000bb]sinhvien s[/color][color=#007700])    {            [/color][color=#0000bb]string arrname[/color][color=#007700][]=[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]name[/color][color=#007700].[/color][color=#0000bb]split[/color][color=#007700]([/color][color=#dd0000]" "[/color][color=#007700]);            return [/color][color=#0000bb]arrname[/color][color=#007700][[/color][color=#0000bb]arrname[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]];    }    public [/color][color=#0000bb]void sort[/color][color=#007700]()    {        [/color][color=#0000bb]string y[/color][color=#007700], [/color][color=#0000bb]z[/color][color=#007700];        [/color][color=#0000bb]sinhvien x[/color][color=#007700];        for([/color][color=#0000bb]int i[/color][color=#007700]=[/color][color=#0000bb]1[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]<[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]++)        {            for([/color][color=#0000bb]int j[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700];[/color][color=#0000bb]j[/color][color=#007700]>=[/color][color=#0000bb]i[/color][color=#007700];[/color][color=#0000bb]j[/color][color=#007700]--)            {                [/color][color=#0000bb]y[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]].[/color][color=#0000bb]get_name[/color][color=#007700]([/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]]);                [/color][color=#0000bb]z[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]].[/color][color=#0000bb]get_name[/color][color=#007700]([/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]]);                if([/color][color=#0000bb]y[/color][color=#007700].[/color][color=#0000bb]compareto[/color][color=#007700]([/color][color=#0000bb]z[/color][color=#007700])>[/color][color=#0000bb]0[/color][color=#007700])                {                    [/color][color=#0000bb]x[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]];                    [/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]]=[/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]];                    [/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]]=[/color][color=#0000bb]x[/color][color=#007700];                }            }        }    }    public [/color][color=#0000bb]void xuat[/color][color=#007700]()    {        for([/color][color=#0000bb]int i[/color][color=#007700]=[/color][color=#0000bb]0[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]<[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700];[/color][color=#0000bb]i[/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]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name[/color][color=#007700]);        }    }    public [/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]tukhoa[/color][color=#007700]([/color][color=#0000bb]string x[/color][color=#007700])    {        [/color][color=#0000bb]string[/color][color=#007700][][/color][color=#0000bb]arrname[/color][color=#007700]=[/color][color=#0000bb]x[/color][color=#007700].[/color][color=#0000bb]split[/color][color=#007700]([/color][color=#dd0000]" "[/color][color=#007700]);        return [/color][color=#0000bb]arrname[/color][color=#007700];    }    public [/color][color=#0000bb]void find[/color][color=#007700]([/color][color=#0000bb]string x[/color][color=#007700])    {        [/color][color=#0000bb]string[/color][color=#007700][][/color][color=#0000bb]arrname[/color][color=#007700];        for([/color][color=#0000bb]int i[/color][color=#007700]=[/color][color=#0000bb]0[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]<[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700];[/color][color=#0000bb]i[/color][color=#007700]++)        {            [/color][color=#0000bb]arrname[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]tukhoa[/color][color=#007700]([/color][color=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name[/color][color=#007700]);            for([/color][color=#0000bb]int j[/color][color=#007700]=[/color][color=#0000bb]0[/color][color=#007700];[/color][color=#0000bb]j[/color][color=#007700]<[/color][color=#0000bb]arrname[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700];[/color][color=#0000bb]j[/color][color=#007700]++)            {                if([/color][color=#0000bb]arrname[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]].[/color][color=#0000bb]comparetoignorecase[/color][color=#007700]([/color][color=#0000bb]x[/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=#0000bb]s[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]name[/color][color=#007700]);                    break;                }            }        }    }}public class [/color][color=#0000bb]onstring [/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]int n[/color][color=#007700]=[/color][color=#0000bb]0[/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]"nhap so luong sinh vien: "[/color][color=#007700]);            [/color][color=#0000bb]n[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextint[/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]"errror "[/color][color=#007700]+[/color][color=#0000bb]e[/color][color=#007700]);            [/color][color=#0000bb]system[/color][color=#007700].exit([/color][color=#0000bb]0[/color][color=#007700]);        }        [/color][color=#0000bb]sinhvien sv[/color][color=#007700]=new [/color][color=#0000bb]sinhvien[/color][color=#007700]([/color][color=#0000bb]n[/color][color=#007700]);        [/color][color=#0000bb]sv[/color][color=#007700].[/color][color=#0000bb]nhap[/color][color=#007700]();        [/color][color=#0000bb]sv[/color][color=#007700].[/color][color=#0000bb]chuanhoa[/color][color=#007700]();        [/color][color=#0000bb]sv[/color][color=#007700].[/color][color=#0000bb]sort[/color][color=#007700]();        [/color][color=#0000bb]sv[/color][color=#007700].[/color][color=#0000bb]xuat[/color][color=#007700]();        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap tu khoa can tim: "[/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]string x[/color][color=#007700]=[/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        [/color][color=#0000bb]sv[/color][color=#007700].[/color][color=#0000bb]find[/color][color=#007700]([/color][color=#0000bb]x[/color][color=#007700]);    }}[/color]

**tuyensinh1280** · 10-27-2013, 07:00 AM

đây là bài của mình, mình ko biết cách sắp xếp theo tên, mình đọc các bạn làm mình cũng ko hiểu lắm nên chỉ làm đc thế này thôi: :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]bai25[/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]bai25 [/color][color=#007700]{    private [/color][color=#0000bb]int number[/color][color=#007700];    private [/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]staff[/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]bai25 bai25 [/color][color=#007700]= new [/color][color=#0000bb]bai25[/color][color=#007700]();        [/color][color=#0000bb]bai25[/color][color=#007700].[/color][color=#0000bb]inputdata[/color][color=#007700]();        [/color][color=#0000bb]bai25[/color][color=#007700].[/color][color=#0000bb]sortdata[/color][color=#007700]();        [/color][color=#0000bb]bai25[/color][color=#007700].[/color][color=#0000bb]showdata[/color][color=#007700]();        [/color][color=#0000bb]bai25[/color][color=#007700].[/color][color=#0000bb]searchdata[/color][color=#007700]();    }     public [/color][color=#0000bb]void inputdata[/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 number of staff in your department:"[/color][color=#007700]);        [/color][color=#0000bb]number [/color][color=#007700]= [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextint[/color][color=#007700]();        [/color][color=#0000bb]staff [/color][color=#007700]= new [/color][color=#0000bb]string[/color][color=#007700][[/color][color=#0000bb]number[/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 staff names in your department:"[/color][color=#007700]);        [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]staff[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/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 staff number " [/color][color=#007700]+ ([/color][color=#0000bb]i [/color][color=#007700]+ [/color][color=#0000bb]1[/color][color=#007700]));            [/color][color=#0000bb]staff[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]] = [/color][color=#0000bb]s[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();        }    }     public [/color][color=#0000bb]void showdata[/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]"the list you had entered:"[/color][color=#007700]);        for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]staff[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/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]staff[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]);        }    }     public [/color][color=#0000bb]void sortdata[/color][color=#007700]() {        for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]staff[/color][color=#007700].[/color][color=#0000bb]length [/color][color=#007700]- [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {            for ([/color][color=#0000bb]int j [/color][color=#007700]= [/color][color=#0000bb]i [/color][color=#007700]+ [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]j [/color][color=#007700]< [/color][color=#0000bb]staff[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]j[/color][color=#007700]++) {                if ([/color][color=#0000bb]staff[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]comparetoignorecase[/color][color=#007700]([/color][color=#0000bb]staff[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]]) > [/color][color=#0000bb]0[/color][color=#007700]) {                    [/color][color=#0000bb]string temp [/color][color=#007700]= [/color][color=#0000bb]staff[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]];                    [/color][color=#0000bb]staff[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]] = [/color][color=#0000bb]staff[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]];                    [/color][color=#0000bb]staff[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]] = [/color][color=#0000bb]temp[/color][color=#007700];                }            }        }    }     public [/color][color=#0000bb]void searchdata[/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 name you want to search:"[/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]string findname [/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]"and here name you want to search:"[/color][color=#007700]);        for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]staff[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {            if ([/color][color=#0000bb]staff[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]tolowercase[/color][color=#007700]().[/color][color=#0000bb]indexof[/color][color=#007700]([/color][color=#0000bb]findname[/color][color=#007700].[/color][color=#0000bb]tolowercase[/color][color=#007700]()) != -[/color][color=#0000bb]1[/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]staff[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]);            }        }     }}[/color]

</blockquote></div>
</div>
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**pixy** · 11-05-2013, 07:00 AM

có 1 chuỗi "123456789" lam sao để sắp xếp ngược lại, và in ra kết quả đó được ạ. cảm ơn các pro nhiều.

**minmkt** · 11-06-2013, 07:00 AM

Gửi bởi phamtuan6996

có 1 chuỗi "123456789" lam sao để sắp xếp ngược lại, và in ra kết quả đó được ạ. cảm ơn các pro nhiều.

đây bạn ơi:

Mã nguồn PHP:


[color=#000000]
stringbuffer a [/color][color=#007700]= new [/color][color=#0000bb]stringbuffer[/color][color=#007700]([/color][color=#dd0000]"123456789"[/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]a[/color][color=#007700].[/color][color=#0000bb]reverse[/color][color=#007700]());[/color]

**hoangkhangcco** · 12-15-2013, 07:00 AM

Gửi bởi nguyentaihanh86

nobihust:
1/ phần sắp xếp ds hs có chỗ chưa đúng.
vd với ds (nguyen van a; nguyen tai a;nguyen thi h;le van nguyen; le nguyen a)
sẽ ko thỏa mãn tên 2 ban a sắp xếp gần nhau.
2/ phần đảo ngược tên bạn làm rất hay.

thế này chắc chuẩn rồi :d

Mã nguồn PHP:


[color=#000000]
package samsung[/color][color=#007700].[/color][color=#0000bb]neo[/color][color=#007700].[/color][color=#0000bb]basic[/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]demo [/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]string[/color][color=#007700][] [/color][color=#0000bb]studentlist [/color][color=#007700]= { [/color][color=#dd0000]"hoang thi yen"[/color][color=#007700], [/color][color=#dd0000]"nguyen hoang hiep"[/color][color=#007700],                [/color][color=#dd0000]"vu van hoang"[/color][color=#007700], [/color][color=#dd0000]" hoang"[/color][color=#007700], [/color][color=#dd0000]"hoang"[/color][color=#007700], [/color][color=#dd0000]"hoang van tien"[/color][color=#007700],                [/color][color=#dd0000]"phan tu quoc thang"[/color][color=#007700], [/color][color=#dd0000]"nguyen van a"[/color][color=#007700], [/color][color=#dd0000]"nguyen tai a "[/color][color=#007700],                [/color][color=#dd0000]"nguyen thi h"[/color][color=#007700], [/color][color=#dd0000]"le van nguyen"[/color][color=#007700], [/color][color=#dd0000]" le nguyen a" [/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]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap chuoi: "[/color][color=#007700]);        [/color][color=#0000bb]string name [/color][color=#007700]= [/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();         [/color][color=#ff8000]// searching by string        [/color][color=#0000bb]int count [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700];        for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]studentlist[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {            if ([/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]tolowercase[/color][color=#007700]().[/color][color=#0000bb]indexof[/color][color=#007700]([/color][color=#0000bb]name[/color][color=#007700].[/color][color=#0000bb]tolowercase[/color][color=#007700]()) != -[/color][color=#0000bb]1[/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]studentlist[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]);                [/color][color=#0000bb]count[/color][color=#007700]++;            }        }        if ([/color][color=#0000bb]count [/color][color=#007700]== [/color][color=#0000bb]0[/color][color=#007700]) {            try {                throw new [/color][color=#0000bb]myexception[/color][color=#007700]();            } catch ([/color][color=#0000bb]myexception 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=#0000bb]e[/color][color=#007700]);            }        } else {            [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"tim thay " [/color][color=#007700]+ [/color][color=#0000bb]count [/color][color=#007700]+ [/color][color=#dd0000]" sinh vien co chuoi "                    [/color][color=#007700]+ [/color][color=#0000bb]name[/color][color=#007700]);        }         [/color][color=#ff8000]// sorting by order        [/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]);        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"before sorting"[/color][color=#007700]);        for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]studentlist[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {            [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]] = [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]trim[/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]studentlist[/color][color=#007700][[/color][color=#0000bb]i[/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]);         [/color][color=#0000bb]boolean swap[/color][color=#007700];        [/color][color=#0000bb]int index1[/color][color=#007700], [/color][color=#0000bb]index2[/color][color=#007700];        [/color][color=#0000bb]string temp1[/color][color=#007700], [/color][color=#0000bb]temp2[/color][color=#007700], [/color][color=#0000bb]temp[/color][color=#007700];        for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]studentlist[/color][color=#007700].[/color][color=#0000bb]length [/color][color=#007700]- [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]> [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]--) {            [/color][color=#0000bb]swap [/color][color=#007700]= [/color][color=#0000bb]false[/color][color=#007700];            for ([/color][color=#0000bb]int j [/color][color=#007700]= [/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]j [/color][color=#007700]<= [/color][color=#0000bb]i[/color][color=#007700]; [/color][color=#0000bb]j[/color][color=#007700]++) {                 [/color][color=#0000bb]index1 [/color][color=#007700]= [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j [/color][color=#007700]- [/color][color=#0000bb]1[/color][color=#007700]].[/color][color=#0000bb]lastindexof[/color][color=#007700]([/color][color=#0000bb]32[/color][color=#007700]);                if ([/color][color=#0000bb]index1 [/color][color=#007700]== -[/color][color=#0000bb]1[/color][color=#007700]) {                    [/color][color=#0000bb]temp1 [/color][color=#007700]= [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j [/color][color=#007700]- [/color][color=#0000bb]1[/color][color=#007700]];                } else {                    [/color][color=#0000bb]temp1 [/color][color=#007700]= [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j [/color][color=#007700]- [/color][color=#0000bb]1[/color][color=#007700]].[/color][color=#0000bb]substring[/color][color=#007700]([/color][color=#0000bb]index1 [/color][color=#007700]+ [/color][color=#0000bb]1[/color][color=#007700])                            + [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j [/color][color=#007700]- [/color][color=#0000bb]1[/color][color=#007700]].[/color][color=#0000bb]substring[/color][color=#007700]([/color][color=#0000bb]0[/color][color=#007700], [/color][color=#0000bb]index1[/color][color=#007700]);                }                 [/color][color=#0000bb]index2 [/color][color=#007700]= [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]].[/color][color=#0000bb]lastindexof[/color][color=#007700]([/color][color=#0000bb]32[/color][color=#007700]);                if ([/color][color=#0000bb]index2 [/color][color=#007700]== -[/color][color=#0000bb]1[/color][color=#007700]) {                    [/color][color=#0000bb]temp2 [/color][color=#007700]= [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]];                } else {                    [/color][color=#0000bb]temp2 [/color][color=#007700]= [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]].[/color][color=#0000bb]substring[/color][color=#007700]([/color][color=#0000bb]index2 [/color][color=#007700]+ [/color][color=#0000bb]1[/color][color=#007700])                            + [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]].[/color][color=#0000bb]substring[/color][color=#007700]([/color][color=#0000bb]0[/color][color=#007700], [/color][color=#0000bb]index2[/color][color=#007700]);                }                 if ([/color][color=#0000bb]temp1[/color][color=#007700].[/color][color=#0000bb]comparetoignorecase[/color][color=#007700]([/color][color=#0000bb]temp2[/color][color=#007700]) > [/color][color=#0000bb]0[/color][color=#007700]) {                    [/color][color=#0000bb]temp [/color][color=#007700]= [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j [/color][color=#007700]- [/color][color=#0000bb]1[/color][color=#007700]];                    [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j [/color][color=#007700]- [/color][color=#0000bb]1[/color][color=#007700]] = [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]];                    [/color][color=#0000bb]studentlist[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]] = [/color][color=#0000bb]temp[/color][color=#007700];                    [/color][color=#0000bb]swap [/color][color=#007700]= [/color][color=#0000bb]true[/color][color=#007700];                }            }            if (![/color][color=#0000bb]swap[/color][color=#007700]) {                break;            }        }        [/color][color=#0000bb]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].[/color][color=#0000bb]println[/color][color=#007700]([/color][color=#dd0000]"after sorting"[/color][color=#007700]);        for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]studentlist[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/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]studentlist[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]);        }    }} class [/color][color=#0000bb]myexception [/color][color=#007700]extends [/color][color=#0000bb]exception [/color][color=#007700]{    public [/color][color=#0000bb]string tostring[/color][color=#007700]() {        return [/color][color=#dd0000]"khong tim thay sinh vien nao theo yeu cau!"[/color][color=#007700];    }}[/color]

**thuonggia** · 01-29-2014, 07:00 AM

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Mã nguồn PHP:


[color=#000000]
[/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]string [/color][color=#007700][] [/color][color=#0000bb]arrsinhvien [/color][color=#007700]= {[/color][color=#dd0000]"nguyen van hoang"[/color][color=#007700], [/color][color=#dd0000]"chau nguyen hoang"[/color][color=#007700], [/color][color=#dd0000]"hoang nhu lan"[/color][color=#007700], [/color][color=#dd0000]"hoang thuong nguyen"[/color][color=#007700],[/color][color=#dd0000]"hoang"[/color][color=#007700],[/color][color=#dd0000]"hoang"[/color][color=#007700], [/color][color=#dd0000]"vo hoang hiep"[/color][color=#007700],[/color][color=#dd0000]"tiep hoang hoa"[/color][color=#007700],[/color][color=#dd0000]"hoang hoang tham"[/color][color=#007700]};    [/color][color=#0000bb]string hoten[/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]system[/color][color=#007700].[/color][color=#0000bb]out[/color][color=#007700].print([/color][color=#dd0000]"nhap ho ten sinh vien muon tim kiem: "[/color][color=#007700]);    [/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]input[/color][color=#007700].[/color][color=#0000bb]nextline[/color][color=#007700]();    [/color][color=#0000bb]arrsinhvien [/color][color=#007700]= [/color][color=#0000bb]sapthutu[/color][color=#007700]([/color][color=#0000bb]arrsinhvien[/color][color=#007700]);    for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]arrsinhvien[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/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]arrsinhvien[/color][color=#007700][[/color][color=#0000bb]i[/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]"danh sach sinh vien co ten giong voi: " [/color][color=#007700]+ [/color][color=#0000bb]hoten[/color][color=#007700]);    [/color][color=#0000bb]timsv[/color][color=#007700]([/color][color=#0000bb]arrsinhvien[/color][color=#007700], [/color][color=#0000bb]hoten[/color][color=#007700]);    } public static [/color][color=#0000bb]void timsv[/color][color=#007700]([/color][color=#0000bb]string [/color][color=#007700][] [/color][color=#0000bb]arrsv[/color][color=#007700], [/color][color=#0000bb]string hoten[/color][color=#007700]){    for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]arrsv[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {        if ( ([/color][color=#0000bb]arrsv[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]].[/color][color=#0000bb]tolowercase[/color][color=#007700]()).[/color][color=#0000bb]indexof[/color][color=#007700]([/color][color=#0000bb]hoten[/color][color=#007700].[/color][color=#0000bb]tolowercase[/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=#0000bb]arrsv[/color][color=#007700][[/color][color=#0000bb]i[/color][color=#007700]]);    }}public static [/color][color=#0000bb]string ten[/color][color=#007700]([/color][color=#0000bb]string hoten[/color][color=#007700]){    [/color][color=#0000bb]hoten [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700].[/color][color=#0000bb]trim[/color][color=#007700]();    [/color][color=#0000bb]int pos [/color][color=#007700]= [/color][color=#0000bb]hoten[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]() -[/color][color=#0000bb]1[/color][color=#007700];    while ( [/color][color=#0000bb]pos [/color][color=#007700]>=[/color][color=#0000bb]0 [/color][color=#007700]&& !([/color][color=#0000bb]hoten[/color][color=#007700].[/color][color=#0000bb]substring[/color][color=#007700]([/color][color=#0000bb]pos[/color][color=#007700], [/color][color=#0000bb]pos [/color][color=#007700]+[/color][color=#0000bb]1[/color][color=#007700]).[/color][color=#0000bb]equals[/color][color=#007700]([/color][color=#dd0000]" "[/color][color=#007700]))) {        [/color][color=#0000bb]pos[/color][color=#007700]--;    }    return [/color][color=#0000bb]hoten[/color][color=#007700].[/color][color=#0000bb]substring[/color][color=#007700]([/color][color=#0000bb]pos[/color][color=#007700]+[/color][color=#0000bb]1[/color][color=#007700]);}public static [/color][color=#0000bb]string [/color][color=#007700][] [/color][color=#0000bb]sapthutu[/color][color=#007700]([/color][color=#0000bb]string[/color][color=#007700][] [/color][color=#0000bb]arrsv[/color][color=#007700]){    [/color][color=#0000bb]string tmp[/color][color=#007700];    for ([/color][color=#0000bb]int i [/color][color=#007700]= [/color][color=#0000bb]0[/color][color=#007700]; [/color][color=#0000bb]i [/color][color=#007700]< [/color][color=#0000bb]arrsv[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]-[/color][color=#0000bb]2[/color][color=#007700]; [/color][color=#0000bb]i[/color][color=#007700]++) {        for ([/color][color=#0000bb]int j [/color][color=#007700]= [/color][color=#0000bb]arrsv[/color][color=#007700].[/color][color=#0000bb]length[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]j [/color][color=#007700]>= [/color][color=#0000bb]i[/color][color=#007700]+[/color][color=#0000bb]1[/color][color=#007700]; [/color][color=#0000bb]j[/color][color=#007700]--) {            if ( [/color][color=#0000bb]ten[/color][color=#007700]([/color][color=#0000bb]arrsv[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]]).[/color][color=#0000bb]comparetoignorecase[/color][color=#007700]([/color][color=#0000bb]ten[/color][color=#007700]([/color][color=#0000bb]arrsv[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]])) < [/color][color=#0000bb]0[/color][color=#007700]) {                [/color][color=#0000bb]tmp [/color][color=#007700]= [/color][color=#0000bb]arrsv[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]];                [/color][color=#0000bb]arrsv[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]] = [/color][color=#0000bb]arrsv[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]];                [/color][color=#0000bb]arrsv[/color][color=#007700][[/color][color=#0000bb]j[/color][color=#007700]-[/color][color=#0000bb]1[/color][color=#007700]] = [/color][color=#0000bb]tmp[/color][color=#007700];            }                   }    }    return [/color][color=#0000bb]arrsv[/color][color=#007700];}[/color]

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

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