CSE 205 Spring A Final UPDATED ACTUAL Exam Questions and CORRECT Answers

CSE 205 Spring A Final UPDATED
ACTUAL Exam Questions and CORRECT
Answers
T/F
The finally block of a try/catch structure will execute if no exception occurs in the try block. -
CORRECT ANSWER - 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. - CORRECT ANSWER - 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. - CORRECT ANSWER - True


T/F
A class from which you can create objects is called a concrete class. - CORRECT
ANSWER - True


T/F

All methods in a Java interface must be abstract. - CORRECT ANSWER - True


T/F
If you declare a parameterized constructor in your class, the compiler will not create a default
constructor for you. - CORRECT ANSWER - 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() ); - CORRECT ANSWER - 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); - CORRECT ANSWER - 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()); - CORRECT ANSWER - 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); - CORRECT ANSWER - 38


T/F

Encapsulation is about assigning responsibilities to objects. - CORRECT ANSWER - True


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


Polymorphism

, Data Hiding
Composition
Inheritance
Message Parsing

Encapsulation - CORRECT ANSWER - Composition


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


T/F
The benefit of data hiding is that we can make an object truly responsible for what it knows and
what it does. - CORRECT ANSWER - True



Which keyword is used in Java to create an object? - CORRECT ANSWER - new


T/F

A Stack is a Last In First Out (LIFO) data structure. - CORRECT ANSWER - True


T/F
Stacks and Queues can be implemented as ArrayLists or LinkedLists. - CORRECT
ANSWER - True


T/F

Any iterative algorithm can be written recursively. - CORRECT ANSWER - True


T/F
The "super" keyword is used in the subclass constructor to call a specific super class constructor.
- CORRECT ANSWER - True