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);
   }
}

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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Java Program to Swap Numbers

Java Program to Swap Numbers

Program Output

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