交换数字Java

/*N o w J a v a . c o m - 时  代  Java 提供*/

 

public class Main {

 

        public static void main(String[] args) {

               

                int num1 = 10;

                int num2 = 20;

               

                System.out.println("Before Swapping");

                System.out.println("Value of num1 is :" + num1);

                System.out.println("Value of num2 is :" +num2);

               

                //swap the value

                swap(num1, num2);

        }

 /* 来自 时代Java - nowjava.com*/

        private static void swap(int num1, int num2) {

               

                int temp = num1;

                num1 = num2;

                num2 = temp;

               

                System.out.println("After Swapping");