/*
        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
*/