Java Program to Swap Numbers

This is a very basic program in Java programming language. If you are a Java beginners or want to start learning Java programming language, then this program will help you to understand the basic Java programming. In this post, I will explain about a Java program to swap two numbers with an example.

Java Program to Swap Numbers

Before executing this program I assume you have configured Java in your computer.

Copy the below program and create a file “SwapNumberProgram.java” and execute it.

import java.util.Scanner;

class SwapNumberProgram

{

public static void main(String args[])

{

int x, y, temp;

System.out.println("Enter number 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);

}

Program Output

Enter number x and y
10
20
Before Swapping
x value: 10
y value: 20
After Swapping
x value: 20
y value: 10

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Prem Tiwari

An engineer by profession and a passionate blogger by heart. Founder of FreeWebMentor.com (A Programming blog for beginners), Tech Speaker at various forums. A part from this he is an open source enthusiast, WordPress Lover, Blogger, SEO, and Growth Strategic.

Article Tags: code snippet in java for swapping, java program after swap two numbers, java program before swap and after swap, java tutorial, Java tutorials, sample swapping of 2 numbers, swapping using third variable

Java Program to Swap Numbers