Question 1

A single copy of a class's static field is shared by all instances of the class.

Accepted Answer

A) True 
 B)False

Question 2

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 3

If a class has a method named finalize, it is called automatically just before a data member that has been identified as final of the class is destroyed by the garbage collector.

Accepted Answer

A) True 
 B)False

Question 4

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 5

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 6

You can declare an enumerated data type inside a method.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is not true about static methods?

Accepted Answer

A)  It is not necessary for an instance of the class to be created to execute a static method. 
B)  They are called by placing the key word static after the access specifier in the method header. 
C)  They are called from an instance of the class. 
D)  They are often used to create utility classes that perform operations on data but have no need to collect and store data. 
A)  It is not necessary for an instance of the class to be created to execute a static method. 
B)  They are called by placing the key word static after the access specifier in the method header. 
C)  They are called from an instance of the class. 
D)  They are often used to create utility classes that perform operations on data but have no need to collect and store data.

Question 8

The key word this is the name of a reference variable that is available to all static methods.

Accepted Answer

A) True 
 B)False

Question 9

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 10

An object's __________ is simply the data that is stored in the object's fields at any given moment.

Accepted Answer

A)  value 
B)  assessment 
C)  record 
D)  state 
A)  value 
B)  assessment 
C)  record 
D)  state

Question 11

If you have defined a class, SavingsAccount, with a public static data member named numberOfAccounts, and created a SavingsAccount object referenced by the variable account20, which of the following will assign numberOfAccounts to numAccounts?

Accepted Answer

A)  numAccounts = account20.numAccounts; 
B)  numAccounts = numOfAccounts; 
C)  numAccounts = SavingsAccount.numberOfAccounts; 
D)  numAccounts = account20; 
A)  numAccounts = account20.numAccounts; 
B)  numAccounts = numOfAccounts; 
C)  numAccounts = SavingsAccount.numberOfAccounts; 
D)  numAccounts = account20;

Question 12

Static methods can only operate on __________ fields.

Accepted Answer

A)  instance 
B)  static 
C)  global 
D)  local 
A)  instance 
B)  static 
C)  global 
D)  local

A single copy of a class's static field is shared by all instances of the class.

CRC stands for __________.

If a class has a method named finalize, it is called automatically just before a data member that has been identified as final of the class is destroyed by the garbage collector.

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?

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

You can declare an enumerated data type inside a method.

Which of the following is not true about static methods?

The key word this is the name of a reference variable that is available to all static methods.

When a field is declared static there will be __________.

An object's __________ is simply the data that is stored in the object's fields at any given moment.

If you have defined a class, SavingsAccount, with a public static data member named numberOfAccounts, and created a SavingsAccount object referenced by the variable account20, which of the following will assign numberOfAccounts to numAccounts?

Static methods can only operate on __________ fields.

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

Methods

A First Look at Classes

Arrays and the Arraylist Class

Text Processing and More About 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 8: A Second Look at Classes and Objects

A single copy of a class's static field is shared by all instances of the class.

CRC stands for __________.

If a class has a method named finalize, it is called automatically just before a data member that has been identified as final of the class is destroyed by the garbage collector.

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?

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

You can declare an enumerated data type inside a method.

Which of the following is not true about static methods?

The key word this is the name of a reference variable that is available to all static methods.

When a field is declared static there will be __________.

An object's __________ is simply the data that is stored in the object's fields at any given moment.

If you have defined a class, SavingsAccount, with a public static data member named numberOfAccounts, and created a SavingsAccount object referenced by the variable account20, which of the following will assign numberOfAccounts to numAccounts?

Static methods can only operate on __________ fields.

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

Methods

A First Look at Classes

Arrays and the Arraylist Class

Text Processing and More About 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