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/*

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

*/