NPTEL » Programming In Java Week 3 : Programming Assignment 5 Aug 2022

netaji gandi Tuesday, August 16, 2022

Week 3 : Programming Assignment 5

Due on 2022-08-18, 23:59 IST

Complete the code segment to swap two numbers using call by object reference.

import java.util.Scanner;

class Question { //Define a class Question with two elements e1 and e2.

Scanner sc = new Scanner(System.in);

int e1 = sc.nextInt(); //Read e1

int e2 = sc.nextInt(); //Read e2

}

public class Question3 {

// Define static method swap()to swap the values of e1 and e2 of class Question.

public static void swap(Question t)

{

int temp = t.e1;

t.e1 = t.e2;

t.e2 = temp;

}

public static void main(String[] args) {

//Create an object of class Question

Question t = new Question ();

//Call the method swap()

swap(t);

System.out.println(t.e1+" "+t.e2);

}