List of Tables

Chapter 1: An Approach to the Art of Programming

Three On A Beach

Figure 1-1: Isomorphic Mapping Between Problem Domain and Design Domain

Figure 1-2: Results of Running Example 1.2

Figure 1-3: javadoc Tool Being Used to Generate TestClass API Documentation

Figure 1-4: Example HTML Documentation Page Created With javadoc

Chapter 2: Small Victories: Creating Java Projects

Sun Chairs

Figure 2-1: Java Project Creation Process

Figure 2-2: Suns Java Download Page

Figure 2-3: Custom Setup Dialog

Figure 2-4: Window Showing Subfolders and Files in the j2sdk1.4.2_01 Folder

Figure 2-5: Contents Listing of C:\j2sdk1.4.2_01\bin

Figure 2-6: Setting the PATH Environment Variable in Microsoft Windows 2000/XP

Figure 2-7: Testing PATH Environment Variable by Typing javac

Figure 2-8: Setting Some Important Folder Options

Figure 2-9: SampleClass Project Source-Code Directory Structure

Figure 2-10: Final SampleClass Subdirectory Structure

Figure 2-11: Compiling the Java Source Files

Figure 2-12: SampleClass Sub-directory Structure After Compilation

Figure 2-13: The .class Files are Located in Their Proper Package Structure

Figure 2-14: Results of Running ApplicationClass Program

Figure 2-15: JBuilder with No Open Projects

Figure 2-16: New Project Menu

Figure 2-17: Project Wizard Step 1 of 3

Figure 2-18: Project Wizard Step 2 of 3

Figure 2-19: Project Wizard Step 3 of 3

Figure 2-20: Creating ApplicationClass.java Source File

Figure 2-21: TestProject After Creating SampleClass.java and ApplicationClass.java

Figure 2-22: Project Properties Dialog

Figure 2-23: Runtime Configuration Properties Dialog

Figure 2-24: JBuilder Project Menu Showing the Make Project Item

Figure 2-25: Running TestProject

Figure 2-26: Downloading a Linux Java Self-Extracting Bin File

Figure 2-27: Executing the Self-Extracting Bin File

Figure 2-28: New Subdirectory Resulting from SDK Extraction

Figure 2-29: Contents of the j2sdk1.4.2_02 Directory

Figure 2-30: Checking Environment Variables with the env Command

Figure 2-31: Using the tree Command to Show Directory Structure

Figure 2-32: Running ApplicationClass in the Linux Environment

Figure 2-33: Xcode New Project Assistant

Figure 2-34: New Java Tool Window

Figure 2-35: Xcode ApplicationClass Project Window

Figure 2-36: Editing the Manifest File to Reflect the Correct Package Location of the Main Application Class

Figure 2-37: Running ApplicationClass Project from Xcode IDE

Figure 2-38: Executing the MyApp.jar File Using the java Command

Chapter 3: Project Walkthrough: A Complete Example

Beach Trees

Figure 3-1: Tight Spiral Development Cycle Deployment

Figure 3-2: Robot Rat Viewed As Attributes

Figure 3-3: Robot Rat Floor Sketch

Figure 3-4: Complete Robot Rat Attributes

Figure 3-5: RobotRat UML Class Diagram

Figure 3-6: Compiling & Testing RobotRat Class - First Iteration

Figure 3-7: Compiling & Testing RobotRat.class - Second Iteration

Figure 3-8: Testing Menu Commands

Figure 3-9: pen_position State Transition Diagram

Figure 3-10: State Transition Diagram for the direction Variable

Figure 3-11: printFloor() Method Test

Figure 3-12: Testing the getSpaces() and move() Methods

Figure 3-13: Two Floor Patterns Printed To The Console

Figure 3-14: Partial RobotRat Javadoc Documentation

Chapter 4: Computers, Programs, & Algorithms

Chess Anyone?

Figure 4-1: Typical Power Mac G4 System

Figure 4-2: System Unit

Figure 4-3: Main Logic Board Block Diagram

Figure 4-4: PowerPC G4 Processor

Figure 4-5: Motorola PowerPC 7400 Block Diagram

Figure 4-6: Memory Hierarchy

Figure 4-7: Simplified Memory Subsystem Diagram

Figure 4-8: Simplified Main Memory Diagram

Figure 4-9: Processing Cycle

Figure 4-10: Dumb Sort Results 1

Figure 4-11: Dumb Sort Results 2

Figure 4-12: Dumb Sort Results 3

Figure 4-13: Algorithmic Growth Rates

Figure 4-14: Java HotSpot™ Virtual Machine Targets Specific Hardware Platforms

Figure 4-15: Java HotSpot™ Virtual Machine Architecture

Chapter 5: Overview Of The Java Platform API

Coralie In Shoppe

Figure 5-1: Java Platform Version 1.4.2 Package Architectural Overview

Figure 5-2: Java 2 Platform API Version 1.4.2 Specification Page

Figure 5-3: Partial Listing For java.lang Package

Figure 5-4: Detailed Information For java.lang.String class

Figure 5-5: String Inheritance Hierarchy UML Diagram

Figure 5-6: JButton Inheritance Hierarchy Information

Figure 5-7: JButton Inheritance Hierarchy

Figure 5-8: JButton Inherited Methods Grouped by Base Class (partial listing)

Figure 5-9: setVisible() Function Description

Chapter 6: Simple Java Programs: Using Primitive And Reference Data Types

Street Scene Jamaica

Figure 6-1: Compiling and Executing SimpleApplication

Figure 6-2: Results of Running IdentifierTest Program

Figure 6-3: TestClassOne Mod 1 Output

Figure 6-4: TestClassOne Mod 3 Output

Figure 6-5: TestClassOne Mod 4 Output

Figure 6-6: TestClassOne Mod 5 Output

Figure 6-7: Compiler Error Message Resulting From Attempt To Change A Constant’s Value

Figure 6-8: Results of Running TestClassOne with the Input 1 2 3

Figure 6-9: Running TestClassOne Again with Different Input Values

Figure 6-10: Results of Running Example 6.12

Figure 6-11: Creating an Object with the new Operator

Figure 6-12: Creating Another Object with the new Operator

Figure 6-13: Reusing the object_reference Variable

Figure 6-14: Results of Running Example 6.14

Figure 6-15: Results of running Example 6.15

Figure 6-16: Results of Running Example 6.16

Figure 6-17: Results of Running Example 6.17

Figure 6-18: Results of Running Example 6.18

Figure 6-19: Results of Running Example 6.19

Figure 6-20: Results of Running Example 6.20

Figure 6-21: Results of Running Example 6.21

Figure 6-22: Results of Running Example 6.22

Figure 6-23: Results of Running Example 6.23

Figure 6-24: Results of Running Example 6.24

Figure 6-25: Results of Running Example 6.25

Figure 6-26: Results of Running Example 6.26

Figure 6-27: Bitwise Operator Truth Tables

Figure 6-28: Results of Running Example 6.27

Figure 6-29: Results of Running Example 6.28

Chapter 7: Controlling The Flow Of Program Execution

Key Bridge

Figure 7-1: if Statement Execution Diagram

Figure 7-2: Results of Running Example 7.1

Figure 7-3: Results of Running Example 7.2

Figure 7-4: Results of Running Example 7.3

Figure 7-5: if/else Statement Execution Diagram

Figure 7-6: Results of Running Example 7.4

Figure 7-7: Results of Running Example 7.5

Figure 7-8: switch Statement Execution Diagram

Figure 7-9: Results of Running Example 7.6

Figure 7-10: Results of Running Example 7.7

Figure 7-11: Results of Running Example 7.8

Figure 7-12: while Statement Execution Diagram

Figure 7-13: Results of Running Example 7.9

Figure 7-14: do/while Statement Execution Diagram

Figure 7-15: Results of Running Example 7-10

Figure 7-16: for Statement Execution Diagram

Figure 7-17: Results of Running Example 7.11

Figure 7-18: Results of Running Example 7.12

Figure 7-19: Results of Running CheckBookBalancer

Figure 7-20: Results of Running Example 7.14

Figure 7-21: Results of Running Example 7.15

Figure 7-22: Results of Running Example 7.16

Figure 7-23: Results of Running Example 7.17 with Different Loop Limits

Chapter 8: Arrays

Times Square 2002

Figure 8-1: Array Elements are Contiguous and Homogeneous

Figure 8-2: Specifying Array Component Type

Figure 8-3: Array-Type Inheritance Hierarchy

Figure 8-4: Results of Running Example 8.1

Figure 8-5: Memory Representation of Primitive Type Array int_array Showing Default Initialization

Figure 8-6: Results of Running Example 8.2

Figure 8-7: Element Values of int_array After Initialization Performed by Second for Loop

Figure 8-8: Results of Running Example 8.3

Figure 8-9: Results of Running Example 8.4

Figure 8-10: Results of Running Example 8.5

Figure 8-11: State of Affairs After Line 3 of Example 8.5 Executes

Figure 8-12: State of Affairs After Line 5 of Example 8.5 Executes.

Figure 8-13: State of Affairs After Line 10 of Example 8.5 Executes

Figure 8-14: Final State of Affairs: All object_array Elements Point to an Object object

Figure 8-15: Results of Running Example 8.6

Figure 8-16: Results of Running Example 8.7

Figure 8-17: Results of Running Example 8.8

Figure 8-18: Array Declaration Syntax for a Two-Dimensional Array

Figure 8-19: A Two Dimensional Array with Dimensions 10 by 10

Figure 8-20: Results of Running Example 8.9

Figure 8-21: Memory Representation of int_2d_array with 2 Rows and 10 Columns

Figure 8-22: Results of Running Example 8.10

Figure 8-23: Results of Running Example 8.11

Figure 8-24: Results of Running Example 8.12

Figure 8-25: Results of Running Example 8.13

Figure 8-26: Results of Running Example 8.14

Chapter 9: Toward Problem Abstraction: Creating New Data Types

Palmater Arriving

Figure 9-1: People Management Program Project Specification

Figure 9-2: Class Diagram for People Manager Classes

Figure 9-3: Static and Non-Static Fields

Figure 9-4: Horizontal Access Controlled via Access Modifiers public and private

Figure 9-5: Method Definition Structure

Figure 9-6: Results of Running Example 9.5

Figure 9-7: Results of Running Example 9.7

Figure 9-8: Results of Running Example 9.9

Figure 9-9: Results of Running Example 9.11

Figure 9-10: Results of Running Example 9.16

Figure 9-11: Results of Running Example 9.18

Figure 9-12: Primitive and Reference Argument Values are Copied to Method Parameters

Figure 9-13: Results of Running Example 9.19

Figure 9-14: Linked List with Three Nodes

Chapter 10: Compositional Design

Street Pig

Figure 10-1: UML Diagram Showing Simple Aggregation

Figure 10-2: Part Class Shared Between Simple Aggregate Classes

Figure 10-3: UML Diagram Showing Composite Aggregation

Figure 10-4: Simple Aggregation Example

Figure 10-5: Results of Running Example 10.3

Figure 10-6: Composite Aggregation Example

Figure 10-7: Results of Running Example 10.6

Figure 10-8: Sequence Diagram — Simple Aggregation

Figure 10-9: Sequence Diagram — Composite Aggregation

Figure 10-10: Aircraft Engine Project Specification

Figure 10-12: Engine Class

Figure 10-11: Engine Simulation Class Diagram

Figure 10-13: Aircraft Engine Create Engine Object Sequence

Figure 10-14: Result of Running Example 10.8

Figure 10-15: Simple Aggregation Class Diagram

Figure 10-16: Composite Aggregation Class Diagram

Chapter 11: Extending Class Behavior Through Inheritance

Washington Canoe Club

Figure 11-1: Inheritance Hierarchy Illustrating Generalized & Specialized Behavior

Figure 11-2: UML Class Diagram Showing DerivedClass Inheriting From BaseClass

Figure 11-3: UML Diagram of BaseClass & DerivedClass Showing Fields and Methods

Figure 11-4: Results of Running Example 11.3

Figure 11-5: UML Diagram Showing Student Class Inheritance Hierarchy

Figure 11-6: Results of Running Example 11.6

Figure 11-7: Results of Running Example 11.7

Figure 11-8: UML Class Diagram For BaseClass & DerivedClass

Figure 11-9: Results of Running Example 11.3 with Modified Version of DerivedClass

Figure 11-10: Expressing an Abstract Class in the UML

Figure 11-11: UML Class Diagram Showing the AbstractClass & DerivedClass Inheritance Hierarchy

Figure 11-12: Results of Running Example 11.11

Figure 11-13: Two Types of UML Interface Diagrams

Figure 11-14: UML Diagram Showing the Simple Form of Realization

Figure 11-15: UML Diagram Showing the Expanded Form of Realization

Figure 11-16: UML Diagram Showing the MessagePrinterClass Realizing the MessagePrinter Interface

Figure 11-17: Results of Running Example 11.14

Figure 11-18: Horizontal And Vertical Access In Multi-Package Environment

Figure 11-19: Employee Class Inheritance Hierarchy

Figure 11-20: Results of Running Example 11.24

Figure 11-21: UML Class Diagram For Aircraft Engine Simulator

Figure 11-22: Results of Running Example 11.38

Chapter 12: Java Swing API Overview

Washington Canoe Club

Figure 12-1: Standard Algebraic Coordinate System

Figure 12-2: Standard Computer-Screen Coordinate System

Figure 12-3: Components and Bounds

Figure 12-4: Top-Level Container Hierarchy

Figure 12-5: Screen Shot of an Empty JWindow

Figure 12-6: Structure of a JWindow

Figure 12-7: Screenshot of an Empty JFrame

Figure 12-8: Structure of an Empty JFrame

Figure 12-9: JFrame with Menubar

Figure 12-10: Structure of JFrame with Menubar

Figure 12-11: A JDialog with a Label and Three Buttons

Figure 12-12: TestFrame GUI

Figure 12-13: TestFrameWithContents GUI

Figure 12-14: TestFrameWithContents Console Output

Figure 12-15: TestFrameWithContents Resized Larger

Figure 12-16: TestFrameWithContents Resized Smaller

Figure 12-17: TestFrameWithFlowLayout GUI

Figure 12-18: TestFrameWithFlowLayout Console Output

Figure 12-19: TestFrameWithFlowLayout Resized Wider

Figure 12-20: TestFrameWithFlowLayout Resized Taller

Figure 12-21: Coordinates for a Sample GridLayout with 4 Rows and 2 Columns

Figure 12-22: TestFrameWithGridLayout GUI

Figure 12-23: TestFrameWithGridLayout Console Output

Figure 12-24: TestFrameWithGridLayout Resized Wider

Figure 12-25: TestFrameWithGridLayout Resized Taller

Figure 12-26: BorderLayout Positions

Figure 12-27: TestFrameWithBorderLayout GUI

Figure 12-28: TestFrameWithBorderLayout Console Output

Figure 12-29: TestFrameWithBorderLayout Resized Wider

Figure 12-30: TestFrameWithBorderLayout Resized Taller

Figure 12-31: GridBagLayoutExample GUI

Figure 12-32: GridBagLayoutExample Console Output

Figure 12-33: GridBagLayoutExample GUI Variation 1

Figure 12-34: GridBagLayoutExample GUI Variation 2

Figure 12-35: GridBagLayoutExample GUI Variation 3

Figure 12-36: GridBagLayoutExample GUI Variation 4

Figure 12-37: GridBagLayoutExample GUI Variation 5

Figure 12-38: CombinedLayoutsExample GUI

Figure 12-39: CombinedLayoutExample Console Output

Figure 12-40: JComponent Inheritance Hierarchy

Figure 12-41: MainFrame GUI

Figure 12-42: Visual Guide to the Components in MainFrame

Figure 12-43: MainFrame Layout

Figure 12-44: Exercise3: Default Size

Figure 12-45: Exercise3: Stretched Horizontally

Figure 12-46: Alternate Border Layout

Chapter 13: Handling GUI Events

Garden Pond

Figure 13-1: EventObject Inheritance Hierarchy

Figure 13-2: ACME Product Services Confirmation

Figure 13-3: Event-Handling Division of Labor

Figure 13-4: Inheritance Hierarchy for the Examples Used in this Chapter

Figure 13-5: ActionEvent Inheritance Hierarchy

Figure 13-6: ActionListener Inheritance Hierarchy

Figure 13-7: MouseEvent Inheritance Hierarchy

Figure 13-8: MouseListener, MouseMotionListener, and MouseWheelListener Inheritance Hierarchy

Figure 13-9: KeyEvent Inheritance Hierarchy

Figure 13-10: KeyListener Inheritance Hierarchy

Figure 13-11: ChangeEvent Inheritance Hierarchy

Figure 13-12: ChangeListener Inheritance Hierarchy

Figure 13-13: ListSelectionEvent Inheritance Hierarchy

Figure 13-14: ListSelectionListener Inheritance Hierarchy

Chapter 14: An Advanced GUI Project

Blurry Subway

Figure 14-1: This Chapter’s Completed Application

Figure 14-2: Graphics Drawing Operations and Property-Related Methods

Figure 14-3: A JFrame Containing a JList with a Custom ListCellRenderer

Figure 14-4: A JFrame Containing a JTable

Figure 14-5: A JFrame Containing a Highly Customized JTree

Figure 14-6: Sequence Diagram for a JList Using CheckboxListCell – First Version

Figure 14-7: Maneuvering Through the Swing API

Figure 14-8: Sequence Diagram for a JList Using CheckboxListCell – Second Version

Figure 14-9: TreeCellEditor and TableCellEditor Inheritance Hierarchy

Figure 14-10: DefaultListModel Inheritance Hierarchy

Chapter 15: Exceptions

Reflections

Figure 15-1: Throwable Class Hierarchy

Figure 15-2: NumberFormatException Class Inheritance Hierarchy

Figure 15-3: Results of Running Example 15.1 with Good and Bad Input Strings

Figure 15-4: Results of Running Example 15.2

Figure 15-5: Results of Running Example 15.5

Figure 15-6: Results of Running Example 15.6

Figure 15-7: Results of Running Example 15.7

Figure 15-8: Results of Running Example 15.9

Figure 15-9: Results of Running Example 15.11

Chapter 16: Threads

Snow Runners

Figure 16-1: Results of Running Example 16.1

Figure 16-2: Results of Running Example 16.2

Figure 16-3: Results of Running Example 16.11

Figure 16-4: Results of Running Example 16.13

Figure 16-5: Breaker.java Thread Interaction

Figure 16-6: Acquiring and Releasing Locks

Figure 16-7: Breaker(2) and Breaker(3) Both Succeed

Figure 16-8: Breaker(2) Fails Because Not All Threads Synchronized

Figure 16-9: Breaker(3) Fails Because Not All Threads Synchronized

Figure 16-10: Results of Running Example 16.15

Figure 16-11: Breaker(2) Fails Because Threads Synchronized on Different Locks

Figure 16-12: Results of Running Example 16.16

Figure 16-13: Consumer Thread Waits

Figure 16-14: Producer Thread Waits

Figure 16-15: Deadlocked Threads

Figure 16-16: Results of Running Example 16.25(Output edited and annotated for brevity.)

Figure 16-17: Deadlock Due to Nested Synchronization

Chapter 17: Collections

Sideways Christmas Tree

Figure 17-1: Results of Testing DynamicArray

Figure 17-2: Results of Running Example 17.3

Figure 17-3: Results of Running Example 17.4

Figure 17-4: Java 1.4.2 Collections Framework Core Interface Hierarchy

Figure 17-5: Array of Object References Before Insertion

Figure 17-6: New Reference to be Inserted at Array Element 3 (index 2)

Figure 17-7: Array After New Reference Insertion

Figure 17-8: Linked List Node Organization

Figure 17-9: Linked List Before New Element Insertion

Figure 17-10: New Reference Being Inserted Into Second Element Position

Figure 17-11: References of Previous, New, and Next List Elements Must Be Manipulated

Figure 17-12: Linked List Insertion Complete

Figure 17-13: A Hash Function Transforms a Key Value into an Array Index

Figure 17-14: Hash Table Collisions are Resolved by Linking Nodes Together

Figure 17-15: Red-Black Tree Node Data Elements

Figure 17-16: Red-Black Tree After Inserting Integer Values 9, 3, 5, 6, 7, 8, 4, 1

Figure 17-17: Results of Running Example 17.5

Figure 17-18: Results of Running Example 17.8

Figure 17-19: Results of Running Example 17.9

Figure 17-20: Results of Running Example 17.12

Figure 17-21: Java 5 Collections Framework Core Interface Hierarchy

Figure 17-22: Results of Running Example 17.13

Figure 17-23: Results of Running Example 17.14

Chapter 18: File I/O

Rex Steele

Figure 18-1: Partial java.io Package Hierarchy

Figure 18-2: Results of Running Example 18.1

Figure 18-3: Results of Running Example 18.2

Figure 18-4: Results of Running Example 18.3

Figure 18-5: Contents of test.txt After Executing Example 18.3 Six Times

Figure 18-6: Results of Running Example 18.4

Figure 18-7: Contents of test.txt File After Executing Example 18.4

Figure 18-8: Results of Running Example 18.5

Figure 18-9: Contents of test.txt After Running Example 18.5

Figure 18-10: Results of Running Example 18.7

Figure 18-11: Contents of People.dat File Viewed with Text Editor

Figure 18-12: Contents of Output.txt File After Example 18.8 Executes

Figure 18-13: Results of Running Example 18.9

Figure 18-14: Results of Running Example 18.10.

Figure 18-15: Results of Running Example 18.11

Figure 18-16: Warning Produced When Compiling Example 18.12

Figure 18-17: Results of Running Example 18.12

Figure 18-18: Contents of test.txt File After Example 18.13 Executes

Figure 18-19: Contents of test.txt After Example 18.14 Executes

Figure 18-20: Contents of test.txt File After Example 18.15 Executes

Figure 18-21: Contents of test.txt File After Example 18.16 Executes

Figure 18-22: Results of Running Example 18.17

Figure 18-23: Results of Running Example 18.18

Figure 18-24: Results of Running Example 18.19

Figure 18-25: Initial Execution of PropertiesTesterApp (Example 18.21)

Figure 18-26: Contents of app_prop.xml After Example 18.21 Executes

Figure 18-27: Legacy Data File Adapter Project Specification

Figure 18-28: Contents of books.dat Example Legacy Datafile Viewed with Text Editor

Figure 18-29: Header and Record Length Analysis

Figure 18-30: Results of Running Example 18.29.

Chapter 19: Introduction To Networking And Distributed Applications

Rick

Figure 19-1: A Simple Computer Network

Figure 19-2: Local Area Network Connected to the Internet

Figure 19-3: The Internet — A Network of Networks Communicating via Internet Protocols

Figure 19-4: Client and Server Hardware and Applications

Figure 19-5: Client and Server Applications Physically Deployed to Same Computer

Figure 19-6: Client and Server Applications Require Separate Java Virtual Machines

Figure 19-7: Starting Multiple Terminal Windows Using start Command

Figure 19-8: Multiple JVMs Launched As Separate Processes In Mac OSX

Figure 19-9: Killing Unix Processes with the kill Command

Figure 19-10: Running Multiple Client JVMs On Same Hardware

Figure 19-11: Client and Server Applications Deployed On Different Computers

Figure 19-12: Physically Distributed Client and Server Applications Need A JVM

Figure 19-13: A Multi-tiered Application

Figure 19-14: Physically Deploying Logical Application Tiers on Same Computer

Figure 19-15: Logical Application Tiers Physically Deployed to Different Computers

Figure 19-16: TCP/IP Protocol Stack

Figure 19-17: Internet Protocol Stack Operations

Figure 19-18: Java Server Application Utilizing a ServerSocket Object

Figure 19-19: Incoming Client Connection

Figure 19-20: Connection Between Client & Server Established

Figure 19-21: Retrieve IOStream Objects from Server and Client Socket Objects

Figure 19-22: Results of Running Example 19.1

Figure 19-23: The Remote Method Invocation (RMI) Concept

Figure 19-24: Class Diagram for RemoteSystemMonitorInterface & RemoteSystemMonitorImplementation

Figure 19-25: SystemMonitorServer Running on Host Machine

Figure 19-26: Results of Running the SystemMonitorClient Application Connecting to the Locally Served Server Application

Figure 19-27: Results of the SystemMonitorClient Application after Running on a remote PC.

Figure 19-28: SystemMonitorClient Invoking the Remote Method on a PC Running the SystemMonitorServer Application

Chapter 20: Client-Server Applications

Rick

Figure 20-1: Client and Server Applications

Figure 20-2: Incoming Client Connection

Figure 20-3: The Connection is Established — There are Sockets at Both Ends of the Connection

Figure 20-4: The Socket Objects are Used to Retrieve the IOStream Objects

Figure 20-5: SimpleServer Running & Waiting for Incoming Client Connections

Figure 20-6: SimpleClient Console Output and GUI

Figure 20-7: SimpleServer Console After Detecting Incoming Client Connection

Figure 20-8: Several Messages Exchanged with the Server From SimpleClient

Figure 20-9: rat.gif

Figure 20-10: First Draft Class Diagram for the NetRatServer Application

Figure 20-11: NetRatServer Application Upon Start-up

Figure 20-12: NetRatServer Application After Approximately 10 move Button Clicks

Figure 20-13: RMI-Enabled NetRatServer Application at Start-up

Figure 20-14: RMI-Enabled NetRatServer Application After Approximately 10 move Button Clicks

Figure 20-15: RMI_NetRatClient Application

Figure 20-16: The Floor After Testing RMI_NetRatClient.

Figure 20-17: Updated Robot Rat Server Application Class Diagram

Figure 20-18: The Floor After Approximately 15 Clicks of the Server-Side move Button

Figure 20-19: Server Floor After RMI-Client-Controlled Robot Rat Moves South Several Clicks

Figure 20-20: Server Floor After Second RMI-Client-Controlled Robot Rat Appears

Figure 20-21: Final NetRatServer Application Design Class Diagram

Figure 20-22: Console Output on NetRatServer Application Startup

Figure 20-23: Empty Floor Displayed as a Result of Explicitly Loading the RobotRat Class

Chapter 21: Applets & JDBC

Rick

Figure 21-1: BasicApplet Inheritance Hierarchy

Figure 21-2: BasicApplet Running In Web Browser

Figure 21-3: Console Log Showing BasicApplet Life Cycle Messages

Figure 21-4: Console Log Showing BasicApplet Life Cycle Messages After Browser Shuts Down

Figure 21-5: Applet Life Cycle Stages

Figure 21-6: The <applet> Tag and its Attributes

Figure 21-7: An Applet Can Only Connect To The Server From Which It Was Served

Figure 21-8: AppletServer Applet Running In A Browser And Being Accessed By The SimpleClient Application

Figure 21-9: Results of Attempting to Connect to AppletServer from a Computer Other Than its Server

Figure 21-10: Results of Running ParameterApplet

Figure 21-11: Poetry Applet In Action

Figure 21-12: Employee Training Management System Architecture Diagram

Figure 21-13: Server-Side Component Class Diagram

Figure 21-14: Client-Side Component Class Diagram

Figure 21-15: MySQL Monitor Program on Startup

Figure 21-16: Results of Entering “show databases;” at the Monitor Prompt

Figure 21-17: Results of Changing to the mysql Database with “use mysql;” and Entering “show tables;”

Figure 21-18: Structure of the user Table Located in the mysql Database

Figure 21-19: Structure of the db Table

Figure 21-20: Contents of the db Table

Figure 21-21: Structure of the tables_priv Table

Figure 21-22: Structure of the columns_priv Table

Figure 21-23: Structure of the host Table

Figure 21-24: Entity Diagram for Employee and Employee_Training Tables

Figure 21-25: Newly Created chapter_21 Database Tables

Figure 21-26: Results of Executing the Select Statement Against the employees Table

Figure 21-27: Results of Selecting Only the First_Name and Last_Name Columns from the employees Table

Figure 21-28: Results of the Update Statement — Note the Middle_Name is Changed to ‘W’

Figure 21-29: Employees Table with Additional Data Added

Figure 21-30: Employee_Training Table Populated with Data

Figure 21-31: Results of Joining the employees Table with the employee_training Table

Figure 21-32: Results of Executing the Nested Select Statement Shown in Example 21.16

Figure 21-33: Results of Running Example 21.17

Figure 21-34: Results of Running Example 21.18 with employee Table Metadata Displayed

Figure 21-35: Employee Training Management System Architecture

Figure 21-36: Employee Training Management System Source Code Package Structure

Figure 21-37: Terminal Output Showing DBServerApp Startup Sequence

Figure 21-38: EmployeeTrainingApplet Appearance on First Access

Figure 21-39: Complete List of Employees

Figure 21-40: Training Records for Homer Simpson

Figure 21-41: Add New Employee Dialog

Figure 21-42: Add New Employee Dialog with Text Fields Filled In

Figure 21-43: New Employee Added to the Database

Chapter 22: Inheritance, Composition, Interfaces, Polymorphism

Crowded City Street

Figure 22-1: Meyer’s Inheritance Taxonomy

Figure 22-2: Person-Employee Inheritance Diagram

Figure 22-3: Revised Person - Employee Example

Figure 22-4: Results of Running Example 22.9

Chapter 23: Well-Behaved Objects

Two Children

Figure 23-1: Results of Running Example 23.4

Figure 23-2: Results of Running Example 23.6

Figure 23-3: Concept of a Shallow Copy

Figure 23-4: Concept of a Deep Copy

Figure 23-5: Results of Running Example 23.8

Figure 23-6: Results of Running Example 23.10

Figure 23-7: Results of Running Example 23.11

Figure 23-8: Results of Running Example 23.13

Chapter 24: Three Design Principles

Flowers

Figure 24-1: Results of Running Example 24.2

Figure 24-2: Results of Running Example 24.4

Figure 24-3: Results of Running Example 24.6

Figure 24-4: Results of Running Example 24.8

Figure 24-5: Strong vs. Weak Types

Figure 24-6: Results of Running Example 24.12

Figure 24-7: Naval Fleet Class Inheritance Hierarchy

Figure 24-8: Results of Running Example 24.22

Figure 24-9: Traditional Top-Down Functional Dependencies

Chapter 25: Helpful Design Patterns

Dried Shrub

Figure 25-1: Results of Running Example 25.8

Figure 25-2: Model-View-Controller Pattern

Figure 25-3: Results of Running Example 25.11 and Clicking the “Next Message” Button Several Times

Figure 25-4: Employee ManagementApplication UML Class Diagram

Figure 25-5: Interacting with the Employee Management Application