package com.homework;
/** * 实现两个int类型变量值的交换，要求不使用中间变量 * * @author wen_284334906 * */ public class Whh { public static void main(String[] args) { int num1 = 4; int num2 = 6; System.out.println(“交换前：”); System.out.println(“num1:” + num1 + “\t” + “num2:” + num2); num1 = num1 + num2; num2 = num1 - num2; num1 = num1 - num2; System.out.println(“交换后：”); System.out.println(“num1:” + num1 + “\t” + “num2:” + num2);
}
}
