Deck 12: Java Code Examples of Problem Domain Classes

Question 1

Methods that allow access to the attributes of a class are known as accessor methods.

Answer 1

False

Question 2

A(n) __________ program test classes by creating objects of the class and sending messages to them.

Answer 2

Driver

Question 3

The __________ keyword invokes the constructor of the class.

Answer 3

New

Question 4

A builder is a special method used to create a new object of the class.

Question 5

The extend keyword indicates a(n) ____________ relationship.

A) Whole-part
B) Inheritance
C) Composition
D) Has-a

Question 6

___________ methods allow access to the attributes of the class.

Question 7

Java syntax is based on the _________ language.

Question 8

What program tests classes by creating objects of classes and sending messages to them?

A) Driver
B) Runner
C) Controller
D) Builder

Question 9

Java is based on the syntax of COBOL.

Question 10

The ________ keyword is used to indicate that a class is abstract.

Question 11

What special method is used to create a new object in a class?

A) Destructor
B) get method
C) Constructor
D) set method

Question 12

In Java, each class must be a(n) __________.

A) File
B) Method
C) Attribute
D) Program

Question 13

Each __________ of code is enclosed with curly braces {}.

Question 14

Java is case sensitive.

Question 15

In Java blocks of code are enclosed by parenthesis.

Question 16

When associated with a class, the keyword __________ means that objects of the class can be accessed by anything in the system.

Question 17

A(n) __________ is a special method used to create a new object of the class.

Question 18

Java uses the __________ keyword to indicate an inheritance relationship.

Question 19

Which of the following is NOT a keyword?

A) abstract
B) extends
C) new
D) builder

Question 20

In Java, each "program" must be a __________.

Question 21

Classes typically consist of attributes and methods.

Question 22

The void keyword is used to designate a class as abstract.

Question 23

A driver program is used to test classes.

Question 24

Java uses the extends keyword to indicate an inheritance relationship.

Question 25

Create keyword invokes the constructor of the class.