What Will Be The Output Of The Following Java Codep Pre #545

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 size() { System.out.println(l.size()); } public static void main(String[] args) { Main a = new Main(10); Main b = a; a.push(20); b.size(); a.size(); } }</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.1.

 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 size() { System.out.println(l.size()); } public static void main(String[] args) { Main a = new Main(10); Main b = a; a.push(20); b.size(); a.size(); } }

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