摘要： The example codes is below:class ChangeVal { public static void main(String[] args) { int x=3; int y=5;//this method is common in using,easy to read System.out.println("x="+x+",y="+y); int temp; temp=x; x=y; y=temp; System.out.println("x="+x+",y="+y);//method 阅读全文