Question 1

A method that stores a value in a class's field or in some other way changes the value of a field is known as a mutator method.

Accepted Answer

A) True 
 B)False  True

Question 2

The term "default constructor" is applied to the first constructor written by the author of the class.

Accepted Answer

A) True 
 B)False  False

Question 3

What does the following UML diagram entry mean? + setHeight(h : double) : void

Accepted Answer

A)  a public method with a parameter of data type double that does not return a value 
B)  a private field called setHeight that is a double data type 
C)  a private method with no parameters that returns a double data type 
D)  a public field called Height that is a double data type 
A)  a public method with a parameter of data type double that does not return a value 
B)  a private field called setHeight that is a double data type 
C)  a private method with no parameters that returns a double data type 
D)  a public field called Height that is a double data type A

Question 4

The scope of a local variable is

Accepted Answer

A)  inside the parentheses of a method header 
B)  the method in which it is defined 
C)  inside the class but not inside any method 
D)  the entire class 
A)  inside the parentheses of a method header 
B)  the method in which it is defined 
C)  inside the class but not inside any method 
D)  the entire class

Question 5

A method

Accepted Answer

A)  may have zero or more parameters 
B)  never has parameter variables 
C)  must have at least two parameter variables 
D)  may not have only one parameter variable 
A)  may have zero or more parameters 
B)  never has parameter variables 
C)  must have at least two parameter variables 
D)  may not have only one parameter variable

Question 6

Which symbol indicates that a member is public in a UML diagram?

Accepted Answer

A)  - 
B)  * 
C)  # 
D)  + 
A)  - 
B)  * 
C)  # 
D)  +

Question 7

Methods that operate on an object's fields are called

Accepted Answer

A)  instance methods 
B)  instance variables 
C)  private methods 
D)  public methods 
A)  instance methods 
B)  instance variables 
C)  private methods 
D)  public methods

Question 8

It is common practice in object-oriented programming to make all of a class's

Accepted Answer

A)  fields private 
B)  methods private 
C)  fields public 
D)  fields and methods public 
A)  fields private 
B)  methods private 
C)  fields public 
D)  fields and methods public

Question 9

Which symbol indicates that a member is private a UML diagram?

Accepted Answer

A)  - 
B)  * 
C)  # 
D)  + 
A)  - 
B)  * 
C)  # 
D)  +

Question 10

Which of the following is not involved in identifying the classes to be used when developing an object-oriented application?

Accepted Answer

A)  Describe the problem domain. 
B)  Write the code. 
C)  Refine the list of nouns to include only those relevant to the problem. 
D)  Identify all the nouns. 
A)  Describe the problem domain. 
B)  Write the code. 
C)  Refine the list of nouns to include only those relevant to the problem. 
D)  Identify all the nouns.

Question 11

When an object is created, the attributes associated with the object are called

Accepted Answer

A)  instance fields 
B)  class instances 
C)  instance methods 
D)  fixed attributes 
A)  instance fields 
B)  class instances 
C)  instance methods 
D)  fixed attributes

Question 12

A group of related classes is called a(n)

Accepted Answer

A)  archive 
B)  package 
C)  collection 
D)  attachment 
A)  archive 
B)  package 
C)  collection 
D)  attachment

Question 13

When an argument is passed by value

Accepted Answer

A)  the parameter variable holds the address of the argument 
B)  the parameter variable cannot be changed 
C)  the parameter variable holds a copy of the value passed to it 
D)  changes can be made to the argument variable 
A)  the parameter variable holds the address of the argument 
B)  the parameter variable cannot be changed 
C)  the parameter variable holds a copy of the value passed to it 
D)  changes can be made to the argument variable

Question 14

You should not define a class that is dependent on the values of other class fields

Accepted Answer

A)  in order to keep it current 
B)  because it is redundant 
C)  in order to avoid having stale data 
D)  because it should be defined in another class 
A)  in order to keep it current 
B)  because it is redundant 
C)  in order to avoid having stale data 
D)  because it should be defined in another class

Question 15

A class's responsibilities include

Accepted Answer

A)  the things a class is responsible for knowing 
B)  the things a class is responsible for doing 
C)  both of these 
D)  neither of these 
A)  the things a class is responsible for knowing 
B)  the things a class is responsible for doing 
C)  both of these 
D)  neither of these

Question 16

"Shadowing" is the term used to describe how the field name is hidden by the name of a local or parameter variable.

Accepted Answer

A) True 
 B)False

Question 17

A constructor is a method that is automatically called when an object is created.

Accepted Answer

A) True 
 B)False

Question 18

Data hiding (which means that critical data stored inside the object is protected from code outside the object) is accomplished in Java by

Accepted Answer

A)  using the public access specifier on the class methods 
B)  using the private access specifier on the class methods 
C)  using the private access specifier on the class fields 
D)  using the private access specifier on the class definition 
A)  using the public access specifier on the class methods 
B)  using the private access specifier on the class methods 
C)  using the private access specifier on the class fields 
D)  using the private access specifier on the class definition

Question 19

Which is the key word used to import a class?

Accepted Answer

A)  import 
B)  assume 
C)  use 
D)  link 
A)  import 
B)  assume 
C)  use 
D)  link

Question 20

A constructor is a method that

Accepted Answer

A)  returns an object of the class 
B)  never receives any arguments 
C)  performs initialization or setup operations 
D)  removes the object from memory 
A)  returns an object of the class 
B)  never receives any arguments 
C)  performs initialization or setup operations 
D)  removes the object from memory

A method that stores a value in a class's field or in some other way changes the value of a field is known as a mutator method.

The term "default constructor" is applied to the first constructor written by the author of the class.

What does the following UML diagram entry mean? + setHeight(h : double) : void

The scope of a local variable is

A method

Which symbol indicates that a member is public in a UML diagram?

Methods that operate on an object's fields are called

It is common practice in object-oriented programming to make all of a class's

Which symbol indicates that a member is private a UML diagram?

Which of the following is not involved in identifying the classes to be used when developing an object-oriented application?

When an object is created, the attributes associated with the object are called

A group of related classes is called a(n)

When an argument is passed by value

You should not define a class that is dependent on the values of other class fields

A class's responsibilities include

"Shadowing" is the term used to describe how the field name is hidden by the name of a local or parameter variable.

A constructor is a method that is automatically called when an object is created.

Data hiding (which means that critical data stored inside the object is protected from code outside the object) is accomplished in Java by

Which is the key word used to import a class?

A constructor is a method that

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

A Second Look at Classes and Objects

Arrays and the Arraylist Class

Text Processing and Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters

Exam 3: A First Look at Classes and Objects

A method that stores a value in a class's field or in some other way changes the value of a field is known as a mutator method.

The term "default constructor" is applied to the first constructor written by the author of the class.

What does the following UML diagram entry mean? + setHeight(h : double) : void

The scope of a local variable is

A method

Which symbol indicates that a member is public in a UML diagram?

Methods that operate on an object's fields are called

It is common practice in object-oriented programming to make all of a class's

Which symbol indicates that a member is private a UML diagram?

Which of the following is not involved in identifying the classes to be used when developing an object-oriented application?

When an object is created, the attributes associated with the object are called

A group of related classes is called a(n)

When an argument is passed by value

You should not define a class that is dependent on the values of other class fields

A class's responsibilities include

"Shadowing" is the term used to describe how the field name is hidden by the name of a local or parameter variable.

A constructor is a method that is automatically called when an object is created.

Data hiding (which means that critical data stored inside the object is protected from code outside the object) is accomplished in Java by

Which is the key word used to import a class?

A constructor is a method that

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

A Second Look at Classes and Objects

Arrays and the Arraylist Class

Text Processing and Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters