Sunday, June 30, 2019

Swapping of Two Numbers Using Java


Write a program to accept two numbers and then swap two numbers with and without
using the third variable and display the result on the screen.

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Program Listing

package swap_numbers;

import java.util.Scanner;

/**
 * Swap_Numbers.java
 * @author Jake Rodriguez Pomperada,MAED-IT
 * February 17, 2019  Sunday
 * http://www.jakerpomperada.com
 * jakerpomperada@gmail.com 
 * Bacolod City, Negros Occidental
 */
 
public class Swap_Numbers {
    public static void main(String[] args) {
    
    Scanner input=new Scanner(System.in);

    int a=0,b=0;
int temp=0;
    System.out.println();
    System.out.print("\tSwap of Two Numbers");
System.out.println("\n");
    System.out.print("\tEnter First Value  : ");
a=input.nextInt();
System.out.print("\tEnter Second Value : ");
b=input.nextInt();
    System.out.println();
System.out.println("\tBefore swapping - a: "+ a +", b: " + b);
temp=a;
a=b;
b=temp;
System.out.println();
System.out.println("\tAfter swapping  - a: "+ a +", b: " + b);
    System.out.println();
    System.out.print("\tEnd of Program");
    System.out.println("\n");
    }
 }

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