What Will Be The Output Of The Following Java Codep Pre #560

 import java.util.*; public class Main { LinkedList l = new LinkedList(); Main(int i) { l.add(i); } 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 = a; a.push(40); b.push(30); b.push(40); b.print(); a.print(); } }

[5, 40, 30, 40] [5, 40, 30, 40]

[5, 40] [30, 40]

[5, 40] [5, 30, 40]