Question 1

Which of the following class members should usually be private?

Accepted Answer

A) Methods. 
B) Constructors. 
C) Variables (or fields). 
D) All of the above. 
A) Methods. 
B) Constructors. 
C) Variables (or fields). 
D) All of the above.

Question 2

Set methods are also commonly called ________ methods and get methods are also commonly called ________ methods.

Accepted Answer

A) query,mutator. 
B) accessor,mutator. 
C) mutator,accessor. 
D) query,accessor. 
A) query,mutator. 
B) accessor,mutator. 
C) mutator,accessor. 
D) query,accessor.

Question 3

Constructors:

Accepted Answer

A) Initialize instance variables. 
B) When overloaded,can have identical argument lists. 
C) When overloaded,are selected by number,types and order of types of parameters. 
D) Both (a)and (c). 
A) Initialize instance variables. 
B) When overloaded,can have identical argument lists. 
C) When overloaded,are selected by number,types and order of types of parameters. 
D) Both (a)and (c).

Question 4

When implementing a method,use the class's set and get methods to access the class's ________ data.

Accepted Answer

A) public. 
B) private. 
C) protected. 
D) All of the above. 
A) public. 
B) private. 
C) protected. 
D) All of the above.

Question 5

A final field should also be declared ________ if it is initialized in its declaration.

Accepted Answer

A) private. 
B) public. 
C) protected. 
D) static. 
A) private. 
B) public. 
C) protected. 
D) static.

Question 6

Which of the following is false?

Accepted Answer

A) A static method must be used to access private static instance variables. 
B) A static method has no this reference. 
C) A static method can be accessed even when no objects of its class have been instantiated. 
D) A static method can call instance methods directly. 
A) A static method must be used to access private static instance variables. 
B) A static method has no this reference. 
C) A static method can be accessed even when no objects of its class have been instantiated. 
D) A static method can call instance methods directly.

Question 7

Which syntax imports all static members of class Math?

Accepted Answer

A) import java.lang.Math.*. 
B) import static java.lang.Math.*. 
C) import static java.lang.Math. 
D) None of the above. 
A) import java.lang.Math.*. 
B) import static java.lang.Math.*. 
C) import static java.lang.Math. 
D) None of the above.

Which of the following class members should usually be private?

Set methods are also commonly called methods and get methods are also commonly called methods.

Constructors:

When implementing a method,use the class's set and get methods to access the class's ________ data.

A final field should also be declared ________ if it is initialized in its declaration.

Which of the following is false?

Which syntax imports all static members of class Math?

Introduction to Computers and Java

Introduction to Java Applications

Introduction to Classes and Objects

Control Statements: Part 1

Control Statements: Part 2

Methods: a Deeper Look

Arrays and Arraylists

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Gui Components: Part 1

Graphics and Java 2D

Strings

Files,streams and Object Serialization

Generic Collections

Lambdas

Recursion

Searching, Sorting and Big O

Generic Classes and Methods

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

JavaFX

Filters

Exam 8: Classes and Objects: a Deeper Look

Which of the following class members should usually be private?

Set methods are also commonly called ________ methods and get methods are also commonly called ________ methods.

Constructors:

When implementing a method,use the class's set and get methods to access the class's ________ data.

A final field should also be declared ________ if it is initialized in its declaration.

Which of the following is false?

Which syntax imports all static members of class Math?

Introduction to Computers and Java

Introduction to Java Applications

Introduction to Classes and Objects

Control Statements: Part 1

Control Statements: Part 2

Methods: a Deeper Look

Arrays and Arraylists

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Gui Components: Part 1

Graphics and Java 2D

Strings

Files,streams and Object Serialization

Generic Collections

Lambdas

Recursion

Searching, Sorting and Big O

Generic Classes and Methods

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

JavaFX

Filters

Set methods are also commonly called methods and get methods are also commonly called methods.