Question 1

Override the clone method inherited in the Boots class created in number 12 above.

Accepted Answer

public Object clone() { return

Question 2

Derive a class named Tennis Shoes from the base class created in number 9 above.

Accepted Answer

public class TennisShoe extends Shoe { p

Question 3

Polymorphism refers to the ability to associate many meanings to one method through dynamic binding.

Accepted Answer

A) True 
 B)False

Question 4

An abstract class is a class that has some methods without complete definitions.

Accepted Answer

A) True 
 B)False

Question 5

The principals of object oriented programming include:

Accepted Answer

A) encapsulation 
B) inheritance 
C) polymorphism 
D) all of the above 
A) encapsulation 
B) inheritance 
C) polymorphism 
D) all of the above

Question 6

If you choose to use the method clone in your code,you must ___________ the clone method.

Accepted Answer

A) overload 
B) encapsulate 
C) override 
D) protect 
A) overload 
B) encapsulate 
C) override 
D) protect

Question 7

Describe the limitations of the copy constructor.

Accepted Answer

There are times in which the c

Question 8

What is an abstract method?

Accepted Answer

Abstract methods do not provid

Question 9

What is polymorphism and how does it relate to late binding?

Accepted Answer

Polymorphism refers to the abi

Question 10

A method marked as final means the compiler uses ________ binding.

Accepted Answer

A) dynamic 
B) early 
C) late 
D) none of the above 
A) dynamic 
B) early 
C) late 
D) none of the above

Question 11

Assigning an object of a derived class to a variable of a base class is called:

Accepted Answer

A) static binding 
B) dynamic binding 
C) upcasting 
D) downcasting 
A) static binding 
B) dynamic binding 
C) upcasting 
D) downcasting

Question 12

Java allows an instance of an abstract class to be instantiated.

Accepted Answer

A) True 
 B)False

Question 13

Why should the instanceOf operator be used in conjunction with downcasting?

Accepted Answer

The instanceOf operator can be

Question 14

The type of the variable naming an object determines which method names can be used in an invocation with that calling object.

Accepted Answer

A) True 
 B)False

Question 15

Early binding enables the compiler to be more efficient.

Accepted Answer

A) True 
 B)False

Question 16

__________ refers to the ability to associate many meanings to one method name by means of the late binding mechanism.

Accepted Answer

A) Inheritance 
B) Encapsulation 
C) Polymorphism 
D) None of the above 
A) Inheritance 
B) Encapsulation 
C) Polymorphism 
D) None of the above

Question 17

Derive a class named Boots from the base class created in number 9 above.

Accepted Answer

public class Boot extends Shoe { private

Question 18

Write a decision statement to determine if an object should be downcast.

Accepted Answer

MyObject mo = new MyObject();

Question 19

An abstract method serves as a placeholder for a method that must be defined in all derived classes.

Accepted Answer

A) True 
 B)False

Question 20

You cannot create an object using a/an:

Accepted Answer

A) superclass constructor 
B) subclass constructor 
C) ancestor class constructor 
D) abstract class constructor 
A) superclass constructor 
B) subclass constructor 
C) ancestor class constructor 
D) abstract class constructor

Override the clone method inherited in the Boots class created in number 12 above.

Derive a class named Tennis Shoes from the base class created in number 9 above.

Polymorphism refers to the ability to associate many meanings to one method through dynamic binding.

An abstract class is a class that has some methods without complete definitions.

The principals of object oriented programming include:

If you choose to use the method clone in your code,you must ___________ the clone method.

Describe the limitations of the copy constructor.

What is an abstract method?

What is polymorphism and how does it relate to late binding?

A method marked as final means the compiler uses ________ binding.

Assigning an object of a derived class to a variable of a base class is called:

Java allows an instance of an abstract class to be instantiated.

Why should the instanceOf operator be used in conjunction with downcasting?

The type of the variable naming an object determines which method names can be used in an invocation with that calling object.

Early binding enables the compiler to be more efficient.

__________ refers to the ability to associate many meanings to one method name by means of the late binding mechanism.

Derive a class named Boots from the base class created in number 9 above.

Write a decision statement to determine if an object should be downcast.

An abstract method serves as a placeholder for a method that must be defined in all derived classes.

You cannot create an object using a/an:

Getting Started

Console Input and Output

Flow of Control

Defining Classes I

Defining Classes Ii

Arrays

Inheritance

Exception Handling

File IO

Uml and Patterns

Interfaces and Inner Classes

Generics and the Arraylist Class

Linked Data Structures

Collections and Iterators

Swing I

Swing II

Java Never Ends

Recursion

Applets

Filters

Exam 8: Console Input and Output

Override the clone method inherited in the Boots class created in number 12 above.

Derive a class named Tennis Shoes from the base class created in number 9 above.

Polymorphism refers to the ability to associate many meanings to one method through dynamic binding.

An abstract class is a class that has some methods without complete definitions.

The principals of object oriented programming include:

If you choose to use the method clone in your code,you must ___________ the clone method.

Describe the limitations of the copy constructor.

What is an abstract method?

What is polymorphism and how does it relate to late binding?

A method marked as final means the compiler uses ________ binding.

Assigning an object of a derived class to a variable of a base class is called:

Java allows an instance of an abstract class to be instantiated.

Why should the instanceOf operator be used in conjunction with downcasting?

The type of the variable naming an object determines which method names can be used in an invocation with that calling object.

Early binding enables the compiler to be more efficient.

__________ refers to the ability to associate many meanings to one method name by means of the late binding mechanism.

Derive a class named Boots from the base class created in number 9 above.

Write a decision statement to determine if an object should be downcast.

An abstract method serves as a placeholder for a method that must be defined in all derived classes.

You cannot create an object using a/an:

Getting Started

Console Input and Output

Flow of Control

Defining Classes I

Defining Classes Ii

Arrays

Inheritance

Exception Handling

File IO

Uml and Patterns

Interfaces and Inner Classes

Generics and the Arraylist Class

Linked Data Structures

Collections and Iterators

Swing I

Swing II

Java Never Ends

Recursion

Applets

Filters