Question

write a program in java to swap two numbers using third variable.​

Answer 1

Explanation:

import java.util.*;

class Swap_With {

public static void main(String[] args) {

int x, y, t;// x and y are to swap

Scanner sc = new Scanner(System.in);

System.out.println("Enter the value of X and Y");

x = sc.nextInt();

y = sc.nextInt();

System.out.println("before swapping numbers: "+x +" "+ y);

/*swapping */

t = x;

x = y;

y = t;

System.out.println("After swapping: "+x +" " + y);

System.out.println( );

}

}

Answer 2

Answer:

Explanation:

import java.util.Scanner;

class SwapNumbers

{

public static void main(String args[])

{

int x, y, temp;

System.out.println("Enter x and y");

Scanner in = new Scanner(System.in);

x = in.nextInt();

y = in.nextInt();

System.out.println("Before Swapping\nx = "+x+"\ny = "+y);

temp = x;

x = y;

y = temp;

System.out.println("After Swapping\nx = "+x+"\ny = "+y);

}

}