仅两个变量解决交换值

解题思路:

注意事项:

参考代码:

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

int a=scanner.nextInt();

int b=scanner.nextInt();

a=a+b;

b=a-b;

a=a-b;

System.out.printf("%d %d",a,b);

}

}