Java Program to Swap 2 Numbers Using 3rd Variable

In this program we will write a Java program Perform Swapping of 2 numbers using 3rd Variable. We will swap values of 2 Integer variables using a 3rd Temporary Variable.

Java program to swap two numbers –
import java.util.Scanner;
 
class SwapNumbers
{
   public static void main(String args[])
   {
      int x, y, temp;
      System.out.println("Enter 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);
   }
}
Output
Enter x and y
4 5
Before Swapping
x = 4
y = 5
After Swapping
x = 5
y = 4
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