//情况1. 增加一个中间变量(容易理解,在开发中常用)
int a = 5;
int b = 6;
int c = a;//先把a赋值给一个空的容器中
a = b;//a = 6
b = c;//c就是a的值5
System.out.println("a的值为: " + a + " b的值为: " + b);
//情况2. 按位异或(面试,只能是整数)
int a = 5;
int b = 6;
a = a ^ b;
b = a ^ b;//a ^ b ^ b = a = 6
a = a ^ b;//a ^ b ^ a = b = 5
System.out.println("a的值为: " + a + " b的值为: " + b);
//情况3. 相加(面试)
int a = 5;
int b = 6;
a = a + b;//11
b = a - b;//a + b - b = a = 6
a = a - b;//a + b - a = b = 5
System.out.println("a的值为: " + a + " b的值为: " + b);
PS:以上是本人自学Java中的一些总结,不喜勿喷
欢迎分享,转载请注明来源:内存溢出
评论列表(0条)