URGENT !!!

Evaluate the following code to determine the output.

MyStack s = new MyStack(); s.push(14); s.push(64); s.push(76); s.pop(); System.out.println(s.pop());

Evaluate the following code to determine what value will be at the front of the queue after the code completes.

MyQueue q = new MyQueue(); q.add(20); q.add(59); q.add(88); 

Evaluate the following code to determine the output.

MyQueue q = new MyQueue(); q.add(19); q.add(21); q.add(23); System.out.println(q.remove() + q.remove());

How many constructors does this class have?

Refer to the following UML Class Diagram when answering this question.

Pet

- name : int - age : String - hasFleas : Boolean + licenseNumber : String + weight : float

+ Pet() + Pet(name : String, age : int) + getName() : String - setName(name : String) : void + getAge() : int + setAge(age : int) : void + speak() : void - scratch(itches : int) : void + toString() : String