Question 1

An interface can contain defined constants as well as method headings or instead of method headings.

Accepted Answer

A) True 
 B)False  True

Question 2

When using the clone method from an inherited base class you should account for a _________ exception.

Accepted Answer

A) CloneNotFoundException 
B) CloneEmptyException 
C) CloneNotSupportedException 
D) CloneNotEmptyException 
A) CloneNotFoundException 
B) CloneEmptyException 
C) CloneNotSupportedException 
D) CloneNotEmptyException C

Question 3

The Serializable interface is like all the other Java interfaces in that it contains defined constants and method headings.

Accepted Answer

A) True 
 B)False  False

Question 4

A common use of inner classes is :

Accepted Answer

A) clean up 
B) set up 
C) helper 
D) all of the above 
A) clean up 
B) set up 
C) helper 
D) all of the above

Question 5

The method that must be implemented in a class using the Comparable interface is:

Accepted Answer

A) public Object compareTo(Object other) 
B) public Boolean compareTo(Object other) 
C) public int compareTo(Object other) 
D) none of the above 
A) public Object compareTo(Object other) 
B) public Boolean compareTo(Object other) 
C) public int compareTo(Object other) 
D) none of the above

Question 6

A class that uses an interface must use the keyword:

Accepted Answer

A) Extends 
B) Inherits 
C) Super 
D) Implements 
A) Extends 
B) Inherits 
C) Super 
D) Implements

Question 7

What are the obligations of a class that implements a specific interface?

Accepted Answer

To implement an interface,a programmer m

Question 8

A class that implements an interface but only gives definitions for some of the method headings given in the interface is called a/an:

Accepted Answer

A) concrete class 
B) abstract class 
C) discrete class 
D) friendly class 
A) concrete class 
B) abstract class 
C) discrete class 
D) friendly class

Question 9

The compareTo method should return _____________ if the calling object equals the parameter.

Accepted Answer

A) A negative number 
B) Zero 
C) A positive number 
D) Null 
A) A negative number 
B) Zero 
C) A positive number 
D) Null

Question 10

What is an anonymous class?

Accepted Answer

An anonymous class is a class

Question 11

Java source code that contains a class with an inner class,when compiled,will produce a separate .class file for the inner class.

Accepted Answer

A) True 
 B)False

Question 12

Any constant variables defined in an interface must be defined as:

Accepted Answer

A) public 
B) private 
C) protected 
D) package access 
A) public 
B) private 
C) protected 
D) package access

Question 13

When defining an inner class to be a helper class for an outer class,the inner classes access should be marked as:

Accepted Answer

A) Public 
B) Private 
C) Protected 
D) Package access 
A) Public 
B) Private 
C) Protected 
D) Package access

Question 14

Inner and outer classes do not have access to each other's private members.

Accepted Answer

A) True 
 B)False

Question 15

An interface is a type.

Accepted Answer

A) True 
 B)False

Question 16

An interface specifies the headings and definitions for methods that must be defined in any class that implements the interface.

Accepted Answer

A) True 
 B)False

Question 17

A class may only implement one interface.

Accepted Answer

A) True 
 B)False

Question 18

The compiler and the run-time system enforces semantics on the Comparable interface.

Accepted Answer

A) True 
 B)False

Question 19

What are two advantages to using inner classes?

Accepted Answer

There are two big advantages to using in

Question 20

If an inner class contains non static members,then the class name must be modified by the keyword:

Accepted Answer

A) Final 
B) Static 
C) Void 
D) Protected 
A) Final 
B) Static 
C) Void 
D) Protected

An interface can contain defined constants as well as method headings or instead of method headings.

When using the clone method from an inherited base class you should account for a _________ exception.

The Serializable interface is like all the other Java interfaces in that it contains defined constants and method headings.

A common use of inner classes is :

The method that must be implemented in a class using the Comparable interface is:

A class that uses an interface must use the keyword:

What are the obligations of a class that implements a specific interface?

A class that implements an interface but only gives definitions for some of the method headings given in the interface is called a/an:

The compareTo method should return _____________ if the calling object equals the parameter.

What is an anonymous class?

Java source code that contains a class with an inner class,when compiled,will produce a separate .class file for the inner class.

Any constant variables defined in an interface must be defined as:

When defining an inner class to be a helper class for an outer class,the inner classes access should be marked as:

Inner and outer classes do not have access to each other's private members.

An interface is a type.

An interface specifies the headings and definitions for methods that must be defined in any class that implements the interface.

A class may only implement one interface.

The compiler and the run-time system enforces semantics on the Comparable interface.

What are two advantages to using inner classes?

If an inner class contains non static members,then the class name must be modified by the keyword:

Getting Started

Console Input and Output

Flow of Control

Defining Classes I

Defining Classes Ii

Arrays

Inheritance

Console Input and Output

Exception Handling

File IO

Uml and Patterns

Generics and the Arraylist Class

Linked Data Structures

Collections and Iterators

Swing I

Swing II

Java Never Ends

Recursion

Applets

Filters

Exam 13: Interfaces and Inner Classes

An interface can contain defined constants as well as method headings or instead of method headings.

When using the clone method from an inherited base class you should account for a _________ exception.

The Serializable interface is like all the other Java interfaces in that it contains defined constants and method headings.

A common use of inner classes is :

The method that must be implemented in a class using the Comparable interface is:

A class that uses an interface must use the keyword:

What are the obligations of a class that implements a specific interface?

A class that implements an interface but only gives definitions for some of the method headings given in the interface is called a/an:

The compareTo method should return _____________ if the calling object equals the parameter.

What is an anonymous class?

Java source code that contains a class with an inner class,when compiled,will produce a separate .class file for the inner class.

Any constant variables defined in an interface must be defined as:

When defining an inner class to be a helper class for an outer class,the inner classes access should be marked as:

Inner and outer classes do not have access to each other's private members.

An interface is a type.

An interface specifies the headings and definitions for methods that must be defined in any class that implements the interface.

A class may only implement one interface.

The compiler and the run-time system enforces semantics on the Comparable interface.

What are two advantages to using inner classes?

If an inner class contains non static members,then the class name must be modified by the keyword:

Getting Started

Console Input and Output

Flow of Control

Defining Classes I

Defining Classes Ii

Arrays

Inheritance

Console Input and Output

Exception Handling

File IO

Uml and Patterns

Generics and the Arraylist Class

Linked Data Structures

Collections and Iterators

Swing I

Swing II

Java Never Ends

Recursion

Applets

Filters