Question 1

A constructor for a derived class begins with an invocation of a constructor for the base class.

Accepted Answer

A) True 
 B)False

Question 2

Create a test driver to test the functionality of your AlarmClock class created in number 3 above.

Accepted Answer

public class ClockTest
{
/** Test driver

Question 3

Inheritance is the process by which a new class - known as a _________ - is created from another class,called the _____________.

Accepted Answer

A) base class,derived class 
B) derived class,base class 
C) inherited class,base class 
D) base class,inherited class 
A) base class,derived class 
B) derived class,base class 
C) inherited class,base class 
D) base class,inherited class

Question 4

Explain what a call to super)does in a constructor of a derived class.

Accepted Answer

When super)is used in a constr

Question 5

Explain the modifiers public,protected and private.

Accepted Answer

The public modifier signifies that an in

Question 6

If the final modifier is added to the definition of a method,this means:

Accepted Answer

A) The method may be redefined in the derived class. 
B) The method may be redefined in the sub class. 
C) The method may not be redefined in the derived class. 
D) None of the above. 
A) The method may be redefined in the derived class. 
B) The method may be redefined in the sub class. 
C) The method may not be redefined in the derived class. 
D) None of the above.

Question 7

A base class is synonymous with a:

Accepted Answer

A) Child class 
B) Parent class 
C) Derived class 
D) Sub class 
A) Child class 
B) Parent class 
C) Derived class 
D) Sub class

Question 8

An instance variable or method)that is private in a base class is accessible by name in the definition of a method in any other class.

Accepted Answer

A) True 
 B)False

Question 9

Private methods of the base class are not available for use by derived classes.

Accepted Answer

A) True 
 B)False

Question 10

Create a class to represent a Rectangle.Your class should contain instance variables for length and width,as well as member method to calculate the area and perimeter.

Accepted Answer

public class Rectangle
{
private double

Question 11

The special syntax for invoking a constructor of the base class is:

Accepted Answer

A) super) 
B) base) 
C) parent) 
D) child) 
A) super) 
B) base) 
C) parent) 
D) child)

Question 12

Overriding is when a derived class redefines a method from the base class.

Accepted Answer

A) True 
 B)False

Question 13

In using the keyword this in place of super),the invocation of this must be the ___________ action taken by the constructor.

Accepted Answer

A) first 
B) last 
C) it does not matter 
D) none of the above 
A) first 
B) last 
C) it does not matter 
D) none of the above

Question 14

A derived class is a class defined by adding instance variables and methods to an existing class.

Accepted Answer

A) True 
 B)False

Question 15

What does a derived class automatically inherit from the base class?

Accepted Answer

A) instance variables 
B) static variables 
C) public methods 
D) all of the above 
A) instance variables 
B) static variables 
C) public methods 
D) all of the above

Question 16

An object of a derived class has the type of the derived class,and it also has the type of the base class,and more generally,has the type of every one of its ___________ classes.

Accepted Answer

A) descendant 
B) child 
C) ancestor 
D) sub 
A) descendant 
B) child 
C) ancestor 
D) sub

Question 17

The equals method for a class should have _________ as the type of its one parameter.

Accepted Answer

A) String 
B) Object 
C) Integer 
D) Double 
A) String 
B) Object 
C) Integer 
D) Double

Question 18

A derived class is also called a

Accepted Answer

A) sub class 
B) super class 
C) base class 
D) all of the above 
A) sub class 
B) super class 
C) base class 
D) all of the above

Question 19

The call to the base class constructor super)must always be the last action taken in a constructor definition.

Accepted Answer

A) True 
 B)False

Question 20

Explain how parent and child classes are related to base and derived classes.

Accepted Answer

A base class is ofte

A constructor for a derived class begins with an invocation of a constructor for the base class.

Create a test driver to test the functionality of your AlarmClock class created in number 3 above.

Inheritance is the process by which a new class - known as a _ - is created from another class,called the _____.

Explain what a call to super)does in a constructor of a derived class.

Explain the modifiers public,protected and private.

If the final modifier is added to the definition of a method,this means:

A base class is synonymous with a:

An instance variable or method)that is private in a base class is accessible by name in the definition of a method in any other class.

Private methods of the base class are not available for use by derived classes.

Create a class to represent a Rectangle.Your class should contain instance variables for length and width,as well as member method to calculate the area and perimeter.

The special syntax for invoking a constructor of the base class is:

Overriding is when a derived class redefines a method from the base class.

In using the keyword this in place of super),the invocation of this must be the ___________ action taken by the constructor.

A derived class is a class defined by adding instance variables and methods to an existing class.

What does a derived class automatically inherit from the base class?

An object of a derived class has the type of the derived class,and it also has the type of the base class,and more generally,has the type of every one of its ___________ classes.

The equals method for a class should have _________ as the type of its one parameter.

A derived class is also called a

The call to the base class constructor super)must always be the last action taken in a constructor definition.

Explain how parent and child classes are related to base and derived classes.

Getting Started

Console Input and Output

Flow of Control

Defining Classes I

Defining Classes II

Arrays

Polymorphism and Abstract Classes

Exception Handling

File IO

Recursion

Uml and Patterns

Interfaces and Inner Classes

Generics and the Arraylist Class

Linked Data Structures

Collections,maps,and Iterators

Swing I

Swing II

Java Never Ends

Applets

Filters

Exam 7: Inheritance

A constructor for a derived class begins with an invocation of a constructor for the base class.

Create a test driver to test the functionality of your AlarmClock class created in number 3 above.

Inheritance is the process by which a new class - known as a _________ - is created from another class,called the _____________.

Explain what a call to super)does in a constructor of a derived class.

Explain the modifiers public,protected and private.

If the final modifier is added to the definition of a method,this means:

A base class is synonymous with a:

An instance variable or method)that is private in a base class is accessible by name in the definition of a method in any other class.

Private methods of the base class are not available for use by derived classes.

Create a class to represent a Rectangle.Your class should contain instance variables for length and width,as well as member method to calculate the area and perimeter.

The special syntax for invoking a constructor of the base class is:

Overriding is when a derived class redefines a method from the base class.

In using the keyword this in place of super),the invocation of this must be the ___________ action taken by the constructor.

A derived class is a class defined by adding instance variables and methods to an existing class.

What does a derived class automatically inherit from the base class?

An object of a derived class has the type of the derived class,and it also has the type of the base class,and more generally,has the type of every one of its ___________ classes.

The equals method for a class should have _________ as the type of its one parameter.

A derived class is also called a

The call to the base class constructor super)must always be the last action taken in a constructor definition.

Explain how parent and child classes are related to base and derived classes.

Getting Started

Console Input and Output

Flow of Control

Defining Classes I

Defining Classes II

Arrays

Polymorphism and Abstract Classes

Exception Handling

File IO

Recursion

Uml and Patterns

Interfaces and Inner Classes

Generics and the Arraylist Class

Linked Data Structures

Collections,maps,and Iterators

Swing I

Swing II

Java Never Ends

Applets

Filters

Inheritance is the process by which a new class - known as a _ - is created from another class,called the _____.