OBJECT ORIENTED PROGRAMMING EXAM 1 QUESTIONS AND ANSWERS

OBJECT ORIENTED PROGRAMMING EXAM 1 QUESTIONS AND
ANSWERS
C. State and behavior - CORRECT ANSWER✅✅✅Real world objects share which two characteristics?

a. Inheritance and polymorphism

b. Classes and interfaces

c. State and behavior

d. Times and dates



D. Member Variables - CORRECT ANSWER✅✅✅In object oriented programming how is state
represented?



a. Functions

b. Methods

c. Global variables

d. Member Variables



C. Serve as the blueprint of how objects will be created - CORRECT ANSWER✅✅✅What is the
purpose of a class in object oriented programming?



a. To create a data structure for functions

b. To create an interface for implementation

c. Serve as the blueprint of how objects will be created

d. To create a data structure for variables



A. True - CORRECT ANSWER✅✅✅Based on best practices and how the Java API Library is
implemented a class should start with a capital letter (i.e. Dog versus dog).



a. True

b. False

,B. False - CORRECT ANSWER✅✅✅When defining a class, member variables are included within the
class's open/close curly braces (i.e. {}) and methods are defined outside of the open/close curly braces.



a. True

b. False



A. True - CORRECT ANSWER✅✅✅Information hiding is accomplished via encapsulation



a. True

b. False



D. Dog puppy = new Dog(); - CORRECT ANSWER✅✅✅Which of the following is the correct code for
instantiating an instance of class Dog?



a. Dog puppy = Dog;

b. Dog puppy;

c. Dog puppy = Dog();

d. Dog puppy = new Dog();



C. puppy - CORRECT ANSWER✅✅✅Which part of the following statement is the instance or the
created object?



Dog puppy = new Dog();



a. Dog();

b. new

c. puppy

d. Dog

, B. Constructor - CORRECT ANSWER✅✅✅In the following statement, Dog puppy = new Dog();, what
is "Dog()" called?



a. Maker

b. Constructor

c. Creator

d. malloc



1. Superclass

2. Subclass - CORRECT ANSWER✅✅✅Regarding inheritance the existing class is called ____1____
and the new class is called ____2____.



A. 1 - CORRECT ANSWER✅✅✅How many superclasses can a subclass have?



a. 1

b. 2

c. 3

d. unlimited



B. unlimited - CORRECT ANSWER✅✅✅How many subclasses can a superclass have?



a. 3

b. unlimited

c. 2

d. 1



B. Access level modifier - CORRECT ANSWER✅✅✅Given the class definition



public class KeyTerminology{}