Java语言基础---两变量间的交换

Posted 2020-10-09 H小白

使用中间变量交换两个变量的值

int a = 10 , b = 11 , m;
m = a;
a = b;
b = m;

不使用中间变量交换两个变量的值

int a = 10;
int b = 11;
a = a + b;
b = a - b;
a = a - b;