CSE 205 Spring A Final Questions And Answers With Complete Solutions

CSE 205 Spring A Final Questions And Answers With
Complete Solutions
T/F

The finally block of a try/catch structure will execute if no exception occurs in the try block. ANS True



T/F
In a Binary Search Tree, all elements to one side of a node are < that node's value, and all elements to the other
side are > that node's value. ANS True



T/F
A method that may throw a checked exception must either catch that exception or declare that it throws an
exception in its header. ANS True



T/F

A class from which you can create objects is called a concrete class. ANS True



T/F

All methods in a Java interface must be abstract. ANS True



T/F
If you declare a parameterized constructor in your class, the compiler will not create a default constructor for
you. ANS True



Evaluate the code to determine the output.


MyStack<Integer> s = new MyStack<Integer>();
s.push(23); s.push(26); s.push(13);

System.out.println(s.pop() + s.pop() ); ANS 39



Evaluate the following code to determine what value will be at the bottom of the stack after the code
completes.

, MyStack<Integer> s = new MyStack<Integer>();

s.push(16); s.push(65); s.push(90); ANS 16



Evaluate the following code to determine the output.


MyQueue<Integer> q = new MyQueue<Integer>();
q.add(22); q.add(65); q.add(73);

System.out.println(q.remove()); ANS 22



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


MyQueue<Integer> q = new MyQueue<Integer>();

q.add(38); q.add(42); q.add(83); ANS 38



T/F

Encapsulation is about assigning responsibilities to objects. ANS True



Which object oriented relationship is used to define a "has a" relationship?


Polymorphism
Data Hiding

Composition
Inheritance
Message Parsing

Encapsulation ANS Composition



Methods used to access an object's private data are called ______ . ANS Getters and Setters



T/F