How to write a Java Program to Swap Number Without Temporary Variable

In one of the previous tutorial, I have explained how to swap two numbers in java programming language. In this tutorial, I will share how to write a java program to swap number without a temporary variable.

How to write a Java Program to Swap Number Without Temporary Variable

Copy the below java program and execute it with the help Java compiler. At the end of this tutorial, I have shared the output of the following programs.

import java.util.Scanner;

class SwapNumbers

{

public static void main(String args[])

{

int x, y;

System.out.println("Enter the 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);

x = x + y;

y = x - y;

x = x - y;

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

}

Program Output

Enter the number x and y:
30
10
Before Swapping:
30
10
After Swapping:
10
30

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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: java program after swap two numbers, Java programming, Java programs, Java programs with examples, Java programs with output, java tutorial, Java tutorials

How to write a Java Program to Swap Number Without Temporary Variable