Machine Problem

Write a program that will ask the user to give two numbers and then the program will display the original arrangement of two numbers, and the swap arrangement of two numbers on the screen.

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Program Listing
/* Swap.scala
   Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
   www.jakerpomperada.blogspot.com and www.jakerpomperada.com
   jakerpomperada@gmail.com
   November 14, 2021   2:29 PM  Sunday
   Bacolod City, Negros Occidental
 */

import java.util.Scanner;

object product {
	
	def main(args: Array[String]) : Unit = {
	
	    var scanner = new Scanner(System.in);
	
        print("\n\n");
    	print("\tSwap Two Numbers in Scala");
        print("\n\n");   
		print("\tEnter the First number : ");
	    var a = scanner.nextInt();
		
		print("\n");
		print("\tEnter the Second number : ");
		var b = scanner.nextInt();

        print("\n\n");   
        println("\tValues Before Swapping:\t a= " + a + ", b= " + b)
        
        // swapping
        var temp = a
        a = b
        b = temp
        
        print("\n");
        println("\tValues After Swapping:\t a= " + a + ", b= " + b)
        print("\n");
        print("\tEnd of Program");
        print("\n\n");
		
	}
}