Question 1

A class that is defined inside another class is called a(n)

Accepted Answer

A)  nested class 
B)  enumerated class 
C)  inner class 
D)  helper class 
A)  nested class 
B)  enumerated class 
C)  inner class 
D)  helper class C

Question 2

To get the name of a calling enum constant

Accepted Answer

A)  simply use the enum constant in the statement 
B)  use the ordinal method 
C)  use the displayName method 
D)  use the toString method 
A)  simply use the enum constant in the statement 
B)  use the ordinal method 
C)  use the displayName method 
D)  use the toString method D

Question 3

The JVM periodically performs the __________ process to remove unreferenced objects from memory.

Accepted Answer

A)  memory shuffling 
B)  system restore 
C)  garbage collection 
D)  memory sweeping 
A)  memory shuffling 
B)  system restore 
C)  garbage collection 
D)  memory sweeping C

Question 4

A class's static methods do not operate on the fields that belong to any instance of the class.

Accepted Answer

A) True 
 B)False

Question 5

When you write an enumerated type declaration, you

Accepted Answer

A)  are actually creating a special kind of class 
B)  do not enclose the enum constants in quotation marks 
C)  should use the standard convention of writing the enum constants in uppercase 
D)  All of these 
A)  are actually creating a special kind of class 
B)  do not enclose the enum constants in quotation marks 
C)  should use the standard convention of writing the enum constants in uppercase 
D)  All of these

Question 6

CRC stands for

Accepted Answer

A)  Class, Recyclability, Collaborations 
B)  Class, Redundancy, Collections 
C)  Class, Responsibilities, Collaborations 
D)  Code, Reuse, Constancy 
A)  Class, Recyclability, Collaborations 
B)  Class, Redundancy, Collections 
C)  Class, Responsibilities, Collaborations 
D)  Code, Reuse, Constancy

Question 7

Assume the following declaration exists: enum Tree ( OAK, MAPLE, PINE )
What will the following code display?
System.out.println(Tree.OAK);

Accepted Answer

A)  OAK 
B)  Tree.OAK 
C)  0 
D)  1 
A)  OAK 
B)  Tree.OAK 
C)  0 
D)  1

Question 8

By default, a reference variable that is an instance field is initialized to the value

Accepted Answer

A)  null 
B)  0 
C)  static 
D)  void 
A)  null 
B)  0 
C)  static 
D)  void

Question 9

If you have defined a class, SavingsAccount, with a public static method, getNumberOfAccounts, and created a SavingsAccount object referenced by the variable account20, which of the following will call the getNumberOfAccounts method?

Accepted Answer

A)  account20.getNumberOfAccounts(); 
B)  SavingsAccount.getNumberOfAccounts(); 
C)  getNumberOfAccounts(); 
D)  SavingsAccount.account20.getNumberOfAccounts(); 
A)  account20.getNumberOfAccounts(); 
B)  SavingsAccount.getNumberOfAccounts(); 
C)  getNumberOfAccounts(); 
D)  SavingsAccount.account20.getNumberOfAccounts();

Question 10

The key word this is the name of a reference variable that an object can use to refer to itself.

Accepted Answer

A) True 
 B)False

Question 11

When an object is passed as an argument, it is actually a reference to the object that is passed.

Accepted Answer

A) True 
 B)False

Question 12

Given the following declaration: enum Tree ( OAK, MAPLE, PINE )
What is the fully-qualified name of the PINE enum constant?

Accepted Answer

A)  enum.PINE 
B)  PINE 
C)  Tree.PINE 
D)  enum.Tree.PINE 
A)  enum.PINE 
B)  PINE 
C)  Tree.PINE 
D)  enum.Tree.PINE

Question 13

A declaration for an enumerated type begins with the __________ key word.

Accepted Answer

A)  enumerated 
B)  enum type 
C)  ENUM 
D)  enum 
A)  enumerated 
B)  enum type 
C)  ENUM 
D)  enum

Question 14

__________ is the term for the relationship created by object aggregation.

Accepted Answer

A)  "Has a" 
B)  Inner class 
C)  "Is a" 
D)  One-to-many 
A)  "Has a" 
B)  Inner class 
C)  "Is a" 
D)  One-to-many

Question 15

A static field is created by placing the key word static

Accepted Answer

A)  after the access specifier and the field's data type 
B)  after the access specifier and before the field's data type 
C)  after the field name 
D)  in brackets, before the field's data type 
A)  after the access specifier and the field's data type 
B)  after the access specifier and before the field's data type 
C)  after the field name 
D)  in brackets, before the field's data type

Question 16

When the this variable is used to call a constructor

Accepted Answer

A)  it must be the first statement in the constructor making the call 
B)  it can be anywhere in the constructor making the call 
C)  it must be the last statement in the constructor making the call 
D)  None of these. You cannot use the this variable in a constructor call. 
A)  it must be the first statement in the constructor making the call 
B)  it can be anywhere in the constructor making the call 
C)  it must be the last statement in the constructor making the call 
D)  None of these. You cannot use the this variable in a constructor call.

Question 17

When a field is declared static there will be

Accepted Answer

A)  a copy of the field for each method in the class 
B)  a copy of the field in each class object 
C)  only one copy of the field in memory 
D)  two reference copies of the field for each method in the class 
A)  a copy of the field for each method in the class 
B)  a copy of the field in each class object 
C)  only one copy of the field in memory 
D)  two reference copies of the field for each method in the class

Question 18

Which of the following can you use to compare two enum data values?

Accepted Answer

A) the ordinal method B) the ==, >, and < operators C) the equals and compareTo methods D) the moreThan, lessThan, and equalsTo methods A) the ordinal method B) the ==, >, and < operators C) the equals and compareTo methods D) the moreThan, lessThan, and equalsTo methods

Question 19

An enumerated data type is actually a special type of class.

Accepted Answer

A) True 
 B)False

Question 20

If a class has a method named finalize, it is called automatically just before an instance of the class is destroyed by the garbage collector.

Accepted Answer

A) True 
 B)False

A class that is defined inside another class is called a(n)

To get the name of a calling enum constant

The JVM periodically performs the __________ process to remove unreferenced objects from memory.

A class's static methods do not operate on the fields that belong to any instance of the class.

When you write an enumerated type declaration, you

CRC stands for

Assume the following declaration exists: enum Tree ( OAK, MAPLE, PINE ) What will the following code display? System.out.println(Tree.OAK);

By default, a reference variable that is an instance field is initialized to the value

If you have defined a class, SavingsAccount, with a public static method, getNumberOfAccounts, and created a SavingsAccount object referenced by the variable account20, which of the following will call the getNumberOfAccounts method?

The key word this is the name of a reference variable that an object can use to refer to itself.

When an object is passed as an argument, it is actually a reference to the object that is passed.

Given the following declaration: enum Tree ( OAK, MAPLE, PINE ) What is the fully-qualified name of the PINE enum constant?

A declaration for an enumerated type begins with the __________ key word.

__________ is the term for the relationship created by object aggregation.

A static field is created by placing the key word static

When the this variable is used to call a constructor

When a field is declared static there will be

Which of the following can you use to compare two enum data values?

An enumerated data type is actually a special type of class.

If a class has a method named finalize, it is called automatically just before an instance of the class is destroyed by the garbage collector.

Introduction to Computers and Java

Java Fundamentals

A First Look at Classes and Objects

Decision Structures

Loops and Files

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 6: A Second Look at Classes and Objects

A class that is defined inside another class is called a(n)

To get the name of a calling enum constant

The JVM periodically performs the __________ process to remove unreferenced objects from memory.

A class's static methods do not operate on the fields that belong to any instance of the class.

When you write an enumerated type declaration, you

CRC stands for

Assume the following declaration exists: enum Tree ( OAK, MAPLE, PINE ) What will the following code display? System.out.println(Tree.OAK);

By default, a reference variable that is an instance field is initialized to the value

If you have defined a class, SavingsAccount, with a public static method, getNumberOfAccounts, and created a SavingsAccount object referenced by the variable account20, which of the following will call the getNumberOfAccounts method?

The key word this is the name of a reference variable that an object can use to refer to itself.

When an object is passed as an argument, it is actually a reference to the object that is passed.

Given the following declaration: enum Tree ( OAK, MAPLE, PINE ) What is the fully-qualified name of the PINE enum constant?

A declaration for an enumerated type begins with the __________ key word.

__________ is the term for the relationship created by object aggregation.

A static field is created by placing the key word static

When the this variable is used to call a constructor

When a field is declared static there will be

Which of the following can you use to compare two enum data values?

An enumerated data type is actually a special type of class.

If a class has a method named finalize, it is called automatically just before an instance of the class is destroyed by the garbage collector.

Introduction to Computers and Java

Java Fundamentals

A First Look at Classes and Objects

Decision Structures

Loops and Files

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