Java program to swap two variables without using third variable.

SWAPPING WITHOUT THIRD VARIABLE.

JAVA Code :-

import java.util.Scanner;

public class swap

{

static void swapping(int x,int y)

{

  System.out.println("**Before swapping**\n1st value = "+x+"\n2nd value = "+y);

  x=x+y;

  y=x-y;

  x=x-y;

  System.out.println("**After swapping**\n1st value = "+x+"\n2nd value = "+y);

}

public static void main(String[] args)

{

int m,n;

Scanner sc=new Scanner(System.in);

System.out.print("Enter 1st value:");

m=sc.nextInt();

System.out.print("Enter 2nd value:");

n=sc.nextInt();

sc.close();

swapping(m,n);

}

}

 INPUT && OUTPUT :)