public class Topl 2public int top 1; a public Top(int top)f this.top top; 6 public class Middle extends Topf public Middle (int top)t super (top); this.top this.top top: 10 12 13 public class Bottom extends Middlef public Bottom)f super (3); H public Bottom (int top) ( 14 super (top) this.top top: IE 16 Public Bottom (int top) super (top); this.top top; 17 18 1. Which of the following declarations is NOT valid? (A) Top t = new Bottom(); (B) Top t = new Top(); (C) Top t = new Top (3); 2. What is the value of t.top for the object Top t - nev Middle(2)