Swap Numbers Java Example

/*

        Swap Numbers Java Example
        This Swap Numbers Java Example shows how to
        swap value of two numbers using java.
*/

public class SwapElementsExample {

        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);
        }

        private static void swap(int num1, int num2) {
             
                int temp = num1;
                num1 = num2;
                num2 = temp;
             
                System.out.println("After Swapping");
                System.out.println("Value of num1 is :" + num1);
                System.out.println("Value of num2 is :" +num2);
             
        }
}

/*
Output of Swap Numbers example would be
Before Swapping
Value of num1 is :10
Value of num2 is :20
After Swapping
Value of num1 is :20
Value of num2 is :10
*/