Question

java程序中，怎么互换2个变量的值？

比方说声明2个变量： int num1=10;int num2=8; 完后怎么互换这两个变量的值？

Answer 1

int num1 =10;
int num2=8;
num1=num1^num2;
num2=num1^num2;
num1=num1^num2;
System.out.println("num1:"+num1);
System.out.println("num2:"+num2);

Answer 2

加句
SWAP(NUM1,NUM2);

Answer 3

int temp;
temp = num1;
num1 = num2;
num2 = temp;