Contents. 1 Introduction to Computers, the Internet and the Web 1

Transcription

1 jhtp4toc.fm Page vii Friday, January 11, :01 PM Contents Preface xxxv 1 Introduction to Computers, the Internet and the Web Introduction What Is a Computer? Computer Organization Evolution of Operating Systems Personal, Distributed and Client/Server Computing Machine Languages, Assembly Languages and High-Level Languages History of C History of Java Java Class Libraries Other High-Level Languages Structured Programming The Internet and the World Wide Web Basics of a Typical Java Environment General Notes about Java and This Book Thinking About Objects: Introduction to Object Technology and the Unified Modeling Language Discovering Design Patterns: Introduction Tour of the Book (Optional) A Tour of the Case Study on Object-Oriented Design with the UML (Optional) A Tour of the Discovering Design Patterns Sections 45 2 Introduction to Java Applications Introduction A First Program in Java: Printing a Line of Text Compiling and Executing your First Java Application 61

2 jhtp4toc.fm Page viii Friday, January 11, :01 PM VIII Contents 2.3 Modifying Our First Java Program Displaying a Single Line of Text with Multiple Statements Displaying Multiple Lines of Text with a Single Statement Displaying Text in a Dialog Box Another Java Application: Adding Integers Memory Concepts Arithmetic Decision Making: Equality and Relational Operators (Optional Case Study) Thinking About Objects: Examining the Problem Statement 87 3 Introduction to Java Applets Introduction Sample Applets from the Java 2 Software Development Kit The TicTacToe Applet The DrawTest Applet The Java2D Applet A Simple Java Applet: Drawing a String Compiling and Executing WelcomeApplet Two More Simple Applets: Drawing Strings and Lines Another Java Applet: Adding Floating-Point Numbers Viewing Applets in a Web Browser Viewing Applets in Netscape Navigator Viewing Applets in Other Browsers Using the Java Plug-In Java Applet Internet and World Wide Web Resources (Optional Case Study) Thinking About Objects: Identifying the Classes in a Problem Statement135 4 Control Structures: Part Introduction Algorithms Pseudocode Control Structures The if Selection Structure The if/else Selection Structure The while Repetition Structure Formulating Algorithms: Case Study 1 (Counter-Controlled Repetition) Formulating Algorithms with Top-Down, Stepwise Refinement: Case Study 2 (Sentinel-Controlled Repetition) Formulating Algorithms with Top-Down, Stepwise Refinement: Case Study 3 (Nested Control Structures) Assignment Operators Increment and Decrement Operators Primitive Data Types (Optional Case Study) Thinking About Objects: Identifying Class Attributes 183

3 jhtp4toc.fm Page ix Friday, January 11, :01 PM Contents IX 5 Control Structures: Part Introduction Essentials of Counter-Controlled Repetition The for Repetition Structure Examples Using the for Structure The switch Multiple-Selection Structure The do/while Repetition Structure Statements break and continue Labeled break and continue Statements Logical Operators Structured Programming Summary (Optional Case Study) Thinking About Objects: Identifying Objects States and Activities Methods Introduction Program Modules in Java Math Class Methods Methods Method Definitions Argument Promotion Java API Packages Random-Number Generation Example: A Game of Chance Duration of Identifiers Scope Rules Recursion Example Using Recursion: The Fibonacci Series Recursion vs. Iteration Method Overloading Methods of Class JApplet (Optional Case Study) Thinking About Objects: Identifying Class Operations Arrays Introduction Arrays Declaring and Allocating Arrays Examples Using Arrays Allocating an Array and Initializing Its Elements Using an Initializer List to Initialize Elements of an Array Calculating the Value to Store in Each Array Element Summing the Elements of an Array Using Histograms to Display Array Data Graphically Using the Elements of an Array as Counters Using Arrays to Analyze Survey Results 326

4 jhtp4toc.fm Page x Friday, January 11, :01 PM X Contents 7.5 References and Reference Parameters Passing Arrays to Methods Sorting Arrays Searching Arrays: Linear Search and Binary Search Searching an Array with Linear Search Searching a Sorted Array with Binary Search Multiple-Subscripted Arrays (Optional Case Study) Thinking About Objects: Collaboration Among Objects Object-Based Programming Introduction Implementing a Time Abstract Data Type with a Class Class Scope Controlling Access to Members Creating Packages Initializing Class Objects: Constructors Using Overloaded Constructors Using Set and Get Methods Executing an Applet that Uses Programmer-Defined Packages Software Reusability Final Instance Variables Composition: Objects as Instance Variables of Other Classes Package Access Using the this Reference Finalizers Static Class Members Data Abstraction and Encapsulation Example: Queue Abstract Data Type (Optional Case Study) Thinking About Objects: Starting to Program the Classes for the Elevator Simulation Object-Oriented Programming Introduction Superclasses and Subclasses protected Members Relationship between Superclass Objects and Subclass Objects Constructors and Finalizers in Subclasses Implicit Subclass-Object-to-Superclass-Object Conversion Software Engineering with Inheritance Composition vs. Inheritance Case Study: Point, Circle, Cylinder Introduction to Polymorphism Type Fields and switch Statements Dynamic Method Binding final Methods and Classes Abstract Superclasses and Concrete Classes 474

5 jhtp4toc.fm Page xi Friday, January 11, :01 PM Contents XI 9.15 Polymorphism Examples Case Study: A Payroll System Using Polymorphism New Classes and Dynamic Binding Case Study: Inheriting Interface and Implementation Case Study: Creating and Using Interfaces Inner Class Definitions Notes on Inner Class Definitions Type-Wrapper Classes for Primitive Types (Optional Case Study) Thinking About Objects: Incorporating Inheritance into the Elevator Simulation (Optional) Discovering Design Patterns: Introducing Creational, Structural and Behavioral Design Patterns Creational Design Patterns Structural Design Patterns Behavioral Design Patterns Conclusion Internet and World-Wide-Web Resources Strings and Characters Introduction Fundamentals of Characters and Strings String Constructors String Methods length, charat and getchars Comparing Strings String Method hashcode Locating Characters and Substrings in Strings Extracting Substrings from Strings Concatenating Strings Miscellaneous String Methods Using String Method valueof String Method intern StringBuffer Class StringBuffer Constructors StringBuffer Methods length, capacity, setlength and ensurecapacity StringBuffer Methods charat, setcharat, getchars and reverse StringBuffer append Methods StringBuffer Insertion and Deletion Methods Character Class Examples Class StringTokenizer Card Shuffling and Dealing Simulation (Optional Case Study) Thinking About Objects: Event Handling Graphics and Java2D Introduction Graphics Contexts and Graphics Objects 604

6 jhtp4toc.fm Page xii Friday, January 11, :01 PM XII Contents 11.3 Color Control Font Control Drawing Lines, Rectangles and Ovals Drawing Arcs Drawing Polygons and Polylines The Java2D API Java2D Shapes (Optional Case Study) Thinking About Objects: Designing Interfaces with the UML Graphical User Interface Components: Part Introduction Swing Overview JLabel Event-Handling Model JTextField and JPasswordField How Event Handling Works JButton JCheckBox and JRadioButton JComboBox JList Multiple-Selection Lists Mouse Event Handling Adapter Classes Keyboard Event Handling Layout Managers FlowLayout BorderLayout GridLayout Panels (Optional Case Study) Thinking About Objects: Use Cases Graphical User Interface Components: Part Introduction JTextArea Creating a Customized Subclass of JPanel Creating a Self-Contained Subclass of JPanel JSlider Windows Designing Programs that Execute as Applets or Applications Using Menus with Frames Using JPopupMenus Pluggable Look-and-Feel Using JDesktopPane and JInternalFrame Layout Managers BoxLayout Layout Manager CardLayout Layout Manager 770

7 jhtp4toc.fm Page xiii Friday, January 11, :01 PM Contents XIII GridBagLayout Layout Manager GridBagConstraints Constants RELATIVE and REMAINDER (Optional Case Study) Thinking About Objects: Model-View-Controller (Optional) Discovering Design Patterns: Design Patterns Used in Packages java.awt and javax.swing Creational Design Patterns Structural Design Patterns Behavioral Design Patterns Conclusion Exception Handling Introduction When Exception Handling Should Be Used Other Error-Handling Techniques Basics of Java Exception Handling try Blocks Throwing an Exception Catching an Exception Exception-Handling Example: Divide by Zero Rethrowing an Exception throws Clause Constructors, Finalizers and Exception Handling Exceptions and Inheritance finally Block Using printstacktrace and getmessage Multithreading Introduction Class Thread: An Overview of the Thread Methods Thread States: Life Cycle of a Thread Thread Priorities and Thread Scheduling Thread Synchronization Producer/Consumer Relationship without Thread Synchronization Producer/Consumer Relationship with Thread Synchronization Producer/Consumer Relationship: The Circular Buffer Daemon Threads Runnable Interface Thread Groups (Optional Case Study) Thinking About Objects: Multithreading (Optional) Discovering Design Patterns: Concurrent Design Patterns Files and Streams Introduction Data Hierarchy Files and Streams Creating a Sequential-Access File Reading Data from a Sequential-Access File 915

8 jhtp4toc.fm Page xiv Friday, January 11, :01 PM XIV Contents 16.6 Updating Sequential-Access Files Random-Access Files Creating a Random-Access File Writing Data Randomly to a Random-Access File Reading Data Sequentially from a Random-Access File Example: A Transaction-Processing Program Class File Networking Introduction Manipulating URIs Reading a File on a Web Server Establishing a Simple Server Using Stream Sockets Establishing a Simple Client Using Stream Sockets Client/Server Interaction with Stream Socket Connections Connectionless Client/Server Interaction with Datagrams Client/Server Tic-Tac-Toe Using a Multithreaded Server Security and the Network DeitelMessenger Chat Server and Client DeitelMessengerServer and Supporting Classes DeitelMessenger Client and Supporting Classes (Optional) Discovering Design Patterns: Design Patterns Used in Packages java.io and java.net Creational Design Patterns Structural Design Patterns Architectural Patterns Conclusion Multimedia: Images, Animation, Audio and Video Introduction Loading, Displaying and Scaling Images Animating a Series of Images Customizing LogoAnimator via Applet Parameters Image Maps Loading and Playing Audio Clips Internet and World Wide Web Resources Data Structures Introduction Self-Referential Classes Dynamic Memory Allocation Linked Lists Stacks Queues Trees 1116

9 jhtp4toc.fm Page xv Friday, January 11, :01 PM Contents XV 20 Java Utilities Package and Bit Manipulation Introduction Vector Class and Enumeration Interface Stack Class Dictionary Class Hashtable Class Properties Class Random Class Bit Manipulation and the Bitwise Operators BitSet Class Collections Introduction Collections Overview Class Arrays Interface Collection and Class Collections Lists Algorithms Algorithm sort Algorithm shuffle Algorithms reverse, fill, copy, max and min Algorithm binarysearch Sets Maps Synchronization Wrappers Unmodifiable Wrappers Abstract Implementations (Optional) Discovering Design Patterns: Design Patterns Used in Package java.util Creational Design Patterns Behavioral Design Patterns Conclusion Java Media Framework and Java Sound (on CD) Introduction Playing Media Formatting and Saving Captured Media RTP Streaming Java Sound Playing Sampled Audio Musical Instrument Digital Interface (MIDI) MIDI Playback MIDI Recording MIDI Synthesis Class MidiDemo Internet and World Wide Web Resources 1316

10 jhtp4toc.fm Page xvi Friday, January 11, :01 PM XVI Contents 22.9 (Optional Case Study) Thinking About Objects: Animation and Sound in the View 1317 A Java Demos 1346 A.1 Introduction 1346 A.2 The Sites 1346 B Java Resources 1348 B.1 Resources 1348 B.2 Products 1349 B.3 FAQs 1350 B.4 Tutorials 1350 B.5 Magazines 1350 B.6 Java Applets 1350 B.7 Multimedia 1351 B.8 Newsgroups 1351 C Operator Precedence Chart 1353 D ASCII Character Set 1355 E Number Systems (on CD) 1356 E.1 Introduction 1357 E.2 Abbreviating Binary Numbers as Octal Numbers and Hexadecimal Numbers 1360 E.3 Converting Octal Numbers and Hexadecimal Numbers to Binary Numbers 1361 E.4 Converting from Binary, Octal, or Hexadecimal to Decimal 1361 E.5 Converting from Decimal to Binary, Octal, or Hexadecimal 1362 E.6 Negative Binary Numbers: Two s Complement Notation 1364 F Creating HTML Documentation with javadoc (on CD) 1369 F.1 Introduction 1370 F.2 Documentation Comments 1370 F.3 Documenting Java Source Code 1370 F.4 javadoc 1379 F.5 Files Produced by javadoc 1379 G Elevator Events and Listener Interfaces (on CD) 1384 G.1 Introduction 1384 G.2 Events 1384 G.3 Listeners 1388 G.4 Component Diagrams Revisited 1391 H Elevator Model (on CD) 1393 H.1 Introduction 1393 H.2 Class ElevatorModel 1393 H.3 Classes Location and Floor 1401 H.4 Class Door 1404 H.5 Class Button 1408

11 jhtp4toc.fm Page xvii Friday, January 11, :01 PM Contents XVII H.6 Class ElevatorShaft 1409 H.7 Classes Light and Bell 1416 H.8 Class Elevator 1420 H.9 Class Person 1429 H.10 Component Diagrams Revisited 1436 H.11 Conclusion 1436 I Elevator View (on CD) 1438 I.1 Introduction 1438 I.2 Class Objects 1455 I.3 Class Constants 1457 I.4 Class constructor 1458 I.5 Event Handling 1460 I.5.1 ElevatorMoveEvent types 1461 I.5.2 PersonMoveEvent types 1461 I.5.3 DoorEvent types 1462 I.5.4 ButtonEvent types 1462 I.5.5 BellEvent types 1463 I.5.6 LightEvent types 1463 I.6 Component Diagrams Revisited 1463 I.7 Conclusion 1463 J Career Opportunities (on CD) 1465 J.1 Introduction 1466 J.2 Resources for the Job Seeker 1467 J.3 Online Opportunities for Employers 1468 J.3.1 Posting Jobs Online 1470 J.3.2 Problems with Recruiting on the Web 1472 J.3.3 Diversity in the Workplace 1472 J.4 Recruiting Services 1473 J.4.1 Testing Potential Employees Online 1474 J.5 Career Sites 1475 J.5.1 Comprehensive Career Sites 1475 J.5.2 Technical Positions 1476 J.5.3 Wireless Positions 1477 J.5.4 Contracting Online 1477 J.5.5 Executive Positions 1478 J.5.6 Students and Young Professionals 1479 J.5.7 Other Online Career Services 1480 J.6 Internet and World Wide Web Resources 1481 K Unicode (on CD) 1489 K.1 Introduction 1490 K.2 Unicode Transformation Formats 1491 K.3 Characters and Glyphs 1492 K.4 Advantages/Disadvantages of Unicode 1493 K.5 Unicode Consortium s Web Site 1493

12 jhtp4toc.fm Page xviii Friday, January 11, :01 PM XVIII Contents K.6 Using Unicode 1494 K.7 Character Ranges 1497 Bibliography 1501 Index 1506