java 排列三个随机数

import java.util.Scanner;
public class Pailie
{
    public static void main(String []args)
    {
        Scanner sca=new Scanner(System.in);
        System.out.println("请输入第一个数字");
        int i=sca.nextInt();
    
        System.out.println("请输入第二个数字");
        int i1=sca.nextInt();
    
        System.out.println("请输入第三个数字"); 
        int i2=sca.nextInt();

        if(i>i1)
        {
            i=i+i1;
            i1=i-i1;
            i=i-i1;
        }


        if(i1>i2)
        {
            i1=i1+i2;
            i2=i1-i2;
            i1=i1-i2;
        }

        if(i>i1)
        {
            i=i+i1;
            i1=i-i1;
            i=i-i1;
        }

        

    System.out.println("你输入的数字是:"+i+","+i1+","+i2);

    }
}