Question 1

A UML class diagram would be most useful in visually illustrating which of the following?

Accepted Answer

A)  the cohesiveness of a class's interface. 
B)  the amount of complexity of a class's interface. 
C)  dependencies between classes. 
D)  relationships between classes and their interfaces. 
A)  the cohesiveness of a class's interface. 
B)  the amount of complexity of a class's interface. 
C)  dependencies between classes. 
D)  relationships between classes and their interfaces.

Question 2

During the implementation phase, which of the following statements is true?

Accepted Answer

A)  Aggregated classes will yield subclasses. 
B)  Aggregated classes will yield instance variables. 
C)  Aggregated classes will yield class packages. 
D)  Aggregated classes will yield interfaces. 
A)  Aggregated classes will yield subclasses. 
B)  Aggregated classes will yield instance variables. 
C)  Aggregated classes will yield class packages. 
D)  Aggregated classes will yield interfaces.

Question 3

Consider the following code snippet: public class SailBoat extends Vessel
{ ) . . }
Public class Catamaran extends SailBoat
{ ) . . }
Which of the following statements is NOT correct?

Accepted Answer

A)  SailBoat inherits from Vessel. 
B)  Catamaran inherits from Vessel. 
C)  Catamaran inherits from Sailboat. 
D)  Catamaran depends on SailBoat. 
A)  SailBoat inherits from Vessel. 
B)  Catamaran inherits from Vessel. 
C)  Catamaran inherits from Sailboat. 
D)  Catamaran depends on SailBoat.

Question 4

Regarding the invoice-printing application from section 12.3, it is decided that a Customer class is needed to store customer information, including the name, billing address, and a customer id number to be printed at the top of each invoice. Since the existing Address class already stores the customer's name and physical address, the new Customer class can simply reuse Address. Select the code segment that best illustrates how the Customer class can reuse the existing Address class. public class Customer ___________________________

Accepted Answer

A)  extends Address
{
Private String idNumber;
…
} 
B)  {
Private Address information;
Private String idNumber;
…
} 
C)  implements Address
{
Private String idNumber;
…
} 
D)  {
Private Address information;
Private String name;
Private String street;
Private String city;
Private String state;
Private String zip;
Private String idNumber;
…
} 
A)  extends Address
{
Private String idNumber;
…
} 
B)  {
Private Address information;
Private String idNumber;
…
} 
C)  implements Address
{
Private String idNumber;
…
} 
D)  {
Private Address information;
Private String name;
Private String street;
Private String city;
Private String state;
Private String zip;
Private String idNumber;
…
}

A UML class diagram would be most useful in visually illustrating which of the following?

During the implementation phase, which of the following statements is true?

Consider the following code snippet: public class SailBoat extends Vessel { ) . . } Public class Catamaran extends SailBoat { ) . . } Which of the following statements is NOT correct?

Introduction

Using Objects

Implementing Classes

Fundamental Data Types

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Inputoutput and Exception Handling

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Graphical User Interfaces

Streams and Binary Inputoutput

Multithreading

Internet Networking

Relational Databases

XML

Web Applications

Filters

Exam 12: Object-Oriented Design

A UML class diagram would be most useful in visually illustrating which of the following?

During the implementation phase, which of the following statements is true?

Consider the following code snippet: public class SailBoat extends Vessel { ) . . } Public class Catamaran extends SailBoat { ) . . } Which of the following statements is NOT correct?

Introduction

Using Objects

Implementing Classes

Fundamental Data Types

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Inputoutput and Exception Handling

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Graphical User Interfaces

Streams and Binary Inputoutput

Multithreading

Internet Networking

Relational Databases

XML

Web Applications

Filters