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Java Program to Swap Two Numbers using the Third variable

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Here you will learn how Swap two numbers using the third Variable.

The program declares a temp variable to temporarily store the value of one of the two values. If you want to know how to swap numbers without using a third variable, click the link below.

Java Program to Swap two numbers using Third Variable

 //swap two number

 import java.util.*;

 public class SwapTwoNumbersJava
 {
  public static void main(String []s)
  {
    int a, b, temp;
    
    Scanner sc=new Scanner(System.in);

    System.out.print("Enter value of a: ");
    a=sc.nextInt();
    
    System.out.print("Enter value of b: ");
    b=sc.nextInt();

    System.out.println("Values before swapping - a: "+ a +", b: " + b);
    
    //swap
    temp=a;
    a=b;
    b=temp;
    
    //displaying after swap
    System.out.println("Values after swapping  - a: "+ a +", b: " + b);
  }
 }

Output:

 Enter value of a: 24
 Enter value of b: 25
 Values before swapping - a: 24, b: 25
 Values after swapping  - a: 25, b: 24

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