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
*/