Question 1

The ability to use inheritance in Java makes programs easier to write, ____, and more quickly understood.

Accepted Answer

A)  faster 
B)  more secure 
C)  more robust 
D)  less error-prone 
A)  faster 
B)  more secure 
C)  more robust 
D)  less error-prone

Question 2

Create a class named Student that contains methods getGPA() , setIDNum() , and setGPA() . Be sure to declare variables and methods appropriately as public or private.

Accepted Answer

Variable names may differ.  
public clas

Question 3

When you create a class and do not provide a(n) ____, Java automatically supplies you with a default one.

Accepted Answer

A)  constructor 
B)  argument 
C)  header 
D)  name 
A)  constructor 
B)  argument 
C)  header 
D)  name

Question 4

The term ____ means "many forms."

Accepted Answer

A)  inheritance 
B)  polymorphism 
C)  UML 
D)  virtual 
A)  inheritance 
B)  polymorphism 
C)  UML 
D)  virtual

Question 5

What is the difference between derived classes and base classes when considering two classes that inherit from each other?

Accepted Answer

When considering two classes that inheri

Question 6

Using the keyword ____ provides you with an intermediate level of security between public and private access.

Accepted Answer

A)  protected 
B)  this 
C)  super 
D)  secure 
A)  protected 
B)  this 
C)  super 
D)  secure

Question 7

____ is a mechanism that enables one class to acquire all the behaviors and attributes of another class.

Accepted Answer

A)  Inheritance 
B)  Polymorphism 
C)  Encapsulation 
D)  Overriding 
A)  Inheritance 
B)  Polymorphism 
C)  Encapsulation 
D)  Overriding

Question 8

Usually, the subclass constructor only needs to initialize the ____ that are specific to the subclass.

Accepted Answer

A)  objects 
B)  data fields 
C)  methods 
D)  constructors 
A)  objects 
B)  data fields 
C)  methods 
D)  constructors

Question 9

Match between columns
                        Premises: "has a"

Accepted Answer

The Answer of superclass and aggregation and instanceof and fragile is...

Question 10

Match between columns
                        Premises: A part of UML

Accepted Answer

The Answer of fragile and class diagram and subtype polymorphism is...

Question 11

What are the three types of methods that you cannot override in a subclass?

Accepted Answer

The three types of methods tha

Question 12

Which of the following statements depicts the valid format to call a superclass constructor from a subclass constructor?

Accepted Answer

A)  superclass(name, score); 
B)  subclass(name, score); 
C)  extends(name, score); 
D)  super(name, score); 
A)  superclass(name, score); 
B)  subclass(name, score); 
C)  extends(name, score); 
D)  super(name, score);

Question 13

It is useful to override the parent class members when the superclass data fields and methods are not completely appropriate for the subclass objects.

Accepted Answer

A) True 
 B)False

Question 14

Match between columns
                        Premises: Determines whether an object is a member or descendant of a class

Accepted Answer

The Answer of upcast and inheritance and UML and derived is...

Question 15

You have a Student class with a constructor that requires two arguments: a character "F" for Freshman and an integer "2020" for the year. Create a Freshman class that is a subclass of Student with a constructor for Freshman . Include the initial super() statement and include a comment that reads "//Other statements go here".

Accepted Answer

public Freshman() 
{

Question 16

The class used as a basis for inheritance is the ____ class.

Accepted Answer

A)  child 
B)  extends 
C)  base 
D)  derived 
A)  child 
B)  extends 
C)  base 
D)  derived

Question 17

A nonstatic method cannot  override a static member  of a parent class.

Accepted Answer

A) True 
 B)False

Question 18

What does polymorphism mean in Java programming?

Accepted Answer

Using the same method name to indicate d

The ability to use inheritance in Java makes programs easier to write, ____, and more quickly understood.

Create a class named Student that contains methods getGPA() , setIDNum() , and setGPA() . Be sure to declare variables and methods appropriately as public or private.

When you create a class and do not provide a(n) ____, Java automatically supplies you with a default one.

The term ____ means "many forms."

What is the difference between derived classes and base classes when considering two classes that inherit from each other?

Using the keyword ____ provides you with an intermediate level of security between public and private access.

____ is a mechanism that enables one class to acquire all the behaviors and attributes of another class.

Usually, the subclass constructor only needs to initialize the ____ that are specific to the subclass.

What are the three types of methods that you cannot override in a subclass?

Which of the following statements depicts the valid format to call a superclass constructor from a subclass constructor?

It is useful to override the parent class members when the superclass data fields and methods are not completely appropriate for the subclass objects.

The class used as a basis for inheritance is the ____ class.

A nonstatic method cannot override a static member of a parent class.

What does polymorphism mean in Java programming?

Creating Your First Java Classes

Using Data

Using Methods, Classes and Objects

More Object Concepts

Making Decisions

Looping

Characters, Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Using Javafx and Scene Builder

Filters

Exam 10: Introduction to Inheritance

The ability to use inheritance in Java makes programs easier to write, ____, and more quickly understood.

Create a class named Student that contains methods getGPA() , setIDNum() , and setGPA() . Be sure to declare variables and methods appropriately as public or private.

When you create a class and do not provide a(n) ____, Java automatically supplies you with a default one.

The term ____ means "many forms."

What is the difference between derived classes and base classes when considering two classes that inherit from each other?

Using the keyword ____ provides you with an intermediate level of security between public and private access.

____ is a mechanism that enables one class to acquire all the behaviors and attributes of another class.

Usually, the subclass constructor only needs to initialize the ____ that are specific to the subclass.

What are the three types of methods that you cannot override in a subclass?

Which of the following statements depicts the valid format to call a superclass constructor from a subclass constructor?

It is useful to override the parent class members when the superclass data fields and methods are not completely appropriate for the subclass objects.

The class used as a basis for inheritance is the ____ class.

A nonstatic method cannot override a static member of a parent class.

What does polymorphism mean in Java programming?

Creating Your First Java Classes

Using Data

Using Methods, Classes and Objects

More Object Concepts

Making Decisions

Looping

Characters, Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Using Javafx and Scene Builder

Filters