What is the output of this program? import java.util.*; public class genericstack { Stack stk = new Stack (); public void push(E obj) { stk.push(obj); } public E pop() { E obj = stk.pop(); return obj; } } class Output { public static void main(String args[]) { genericstack gs = new genericstack(); gs.push("Hello"); System.out.print(gs.pop() + " "); genericstack gs = new genericstack(); gs.push(36); System.out.println(gs.pop()); } }

• A. Error
• B. Hello
• C. 36
• D. Hello 36