What Will Be The Output Of The Following Java Codep Pre #548

What will be the output of the following Java code?</p> <pre><code class="language-java"> import java.util.*; public class Main { LinkedList l = new LinkedList(); Main(int i) { l.add(i); } Main(Main a) { l = (LinkedList) a.l.clone(); } void push(int a) { l.add(a); } void print() { System.out.println(l); } public static void main(String[] args) { Main a = new Main(5); Main b = new Main(a); a.push(10); a.push(20); b.push(30); b.push(40); b.print(); a.print(); } }</code></pre>

This multiple choice question (MCQ) is related to the book/course gs gs111 OOP Object Oriented Programming Java. It can also be found in gs gs111 Class Components (Using Java) - Copy Constructors - Quiz No.2.

 import java.util.*; public class Main { LinkedList l = new LinkedList(); Main(int i) { l.add(i); } Main(Main a) { l = (LinkedList) a.l.clone(); } void push(int a) { l.add(a); } void print() { System.out.println(l); } public static void main(String[] args) { Main a = new Main(5); Main b = new Main(a); a.push(10); a.push(20); b.push(30); b.push(40); b.print(); a.print(); } }

{30, 40} {5, 10, 20} 

{5, 30, 40} {5, 10, 20} 

[30, 40] [5, 10, 20]

[5, 30, 40] [5, 10, 20]