Java Week 3: Q5

/*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 Question5 {

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);     

  }

}