wattting的博客

原创 Java中对两个整数变量的值进行互换(不需要第三方变量)

public Static void main（String[] args）{//加减法int c = 1 ,z = 2;c = c + z;z = c - z;c = c - z;System.out.println(“c =” + c + “…z =” + z);//异或int a = 1;int r = 2;a = a^r ;r = a^r ;a = a^r ;Sy...