输入 3 个数 a,b,c，按大小顺序输出

public class Four {
    public static void main(String[] args) {
        System.out.println("请输入a:");
        Scanner sc1 = new Scanner(System.in);
        int a = sc1.nextInt();
        System.out.println("请输入b:");
        Scanner sc2 = new Scanner(System.in);
        int b = sc2.nextInt();
        System.out.println("请输入c:");
        Scanner sc3 = new Scanner(System.in);
        int c = sc2.nextInt();

        if (a>b&&a>c&&b>c)
        {
            System.out.println(a+" "+b+" "+c);
        }else if (a>b&&a>c&&c>b)
        {
            System.out.println(a+" "+c+" "+b);
        }
        else if (b>a&&b>c&&a>c)
        {
            System.out.println(b+" "+a+" "+c);
        }
        else if(b>a&&b>c&&c>a)
        {
            System.out.println(b+" "+c+" "+a);
        }
        else if (c>a&&c>b&&a>b)
        {
            System.out.println(c+" "+a+" "+b);
        }
        else
        {
            System.out.println(c+" "+b+" "+a);
        }
    }
}

package cskaoyan;
 
public class cskaoyan34 {
    @org.junit.Test
    public void swap() {
        java.util.Scanner in = new java.util.Scanner(System.in);
        System.out.println("n1 = :");
        int n1 = in.nextInt();
        System.out.println("n2 = :");
        int n2 = in.nextInt();
        System.out.println("n3 = :");
        int n3 = in.nextInt();
 
        if (n1 > n2) {
            n1 = n1 ^ n2;
            n2 = n1 ^ n2;
            n1 = n1 ^ n2;
        }
 
        if (n1 > n3) {
            n1 = n1 ^ n3;
            n3 = n1 ^ n3;
            n1 = n1 ^ n3;
        }
 
        if (n2 > n3) {
            n2 = n2 ^ n3;
            n3 = n2 ^ n3;
            n2 = n2 ^ n3;
        }
 
        System.out.println(n1 + " " + n2 + " " + n3);
        in.close();
    }
}