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Contentr>Chapter 1 Introduction 1

1.1 Computer Processing 2

Software Categories 3

Digital Computers 5

Binary Numbers 7

1.2 Hardware Components 10

Computer Architecture 11

Input/Output Devices 12

Main Memory and Secondary Memory 13

The Central Processing Unit 17

1.3 Networks

Network Connections

Local-Area Networks and Wide-Area Networks 22

The Inter 23

The World Wide Web 24

Uniform Resource Locators 25

1.4 The Java Programming Language 26

A Java Program 28

Comments 30

Identifiers and Reserved Words 31

White Space 34

1.5 Program Development 36

Programming Language Levels 36

Editors, Compilers, and Interpreters 39

Development Environments 40

Syntax and Semantics 41

Errors 42

1.6 Object-Oriented Programming 44

Problem Solving 45

Object-Oriented Software Principles 46

Chapter 2 Data and Expressions 57

2.1 Character Strings 58

The print and println Methods 58

String Concatenation 60

Escape Sequences 63

2.2 Variables and Assignment 65

Variables 65

The Assignment Statement 67

Constants 69

2.3 Primitive Data Types 71

Integers and Floating Points 71

Characters 73

Booleans 74

2.4 Expressions 75

Arithmetic Operators 75

Operator Precedence 76

Increment and Decrement Operators 80

Assignment Operators 81

2.5 Data Conversion 83

Conversion Techniques 85

2.6 Interactive Programs 87

The Scanner Class 87

2.7 Graphics 92

Coordinate Systems 92

Representing Color 94

2.8 Applets 95

Executing Applets Using the Web 98

2.9 Drawing Shapes 99

The Graphics Class 99

Software Failure:

NASA Mars Climate Orbiter and Polar Lander 111

Chapter 3 Using Classes and Objects 113

3.1 Creating Objects 114

Aliases 116

3.2 The String Class 118

3.3 Packages 122

The import Declaration 124

3.4 The Random Class 126

3.5 The Math Class 129

3.6 Formatting Output 132

The NumberFormat Class 132

The DecimalFormat Class 134

The printf Method 135

3.7 Enumerated Types 138

3.8 Wrapper Classes 141

Autoboxing 143

3.9 Components and Containers 143

Frames and Panels 144

3.10 Nested Panels 148

3.11 Images 151

Chapter 4 Writing Classes 159

4.1 Classes and Objects Revisited 160

4.2 Anatomy of a Class 162

Instance Data 167

UML Class Diagrams 167

4.3 Encapsulation 169

Viility Modifiers 170

Accessors and Mutators 171

4.4 Anatomy of a Method 172

The return Statement 174

Parameters 175

Local Data 175

Bank Account Example 176

4.5 Constructors Revisited 181

4.6 Graphical Objects 182

4.7 Graphical User Interfaces 191

4.8 Buttons 192

4.9 Text Fields 196

Software Failure:

Denver Airport Baggage Handling System 5

Chapter 5 Conditionals and Loops 7

5.1 Boolean Expressions 8

Equality and Relational Operators 9

Logical Operators 210

5.2 The if Statement 213

The if-else Statement 216

Using Block Statements 219

Nested if Statements 223

5.3 Comparing Data 226

Comparing Floats 226

Comparing Characters 227

Comparing Objects 228

5.4 The while Statement 230

Infinite Loops 234

Nested Loops 236

The break and continue Statements 239

5.5 Iterators 241

Reading Text Files 242

5.6 The ArrayList Class 245

5.7 Determining Event Sources 248

5.8 C heck Boxes and Radio Buttons 251

Check Boxes 251

Radio Buttons 255

Software Failure:

Therac-25 267

Chapter 6 More Conditionals and Loops 269

6.1 The switch Statement 270

6.2 The Conditional Operator 274

6.3 The do Statement 275

6.4 The for Statement 279

The for-each Loop 282

Comparing Loops 284

6.5 Drawing with Loops and Conditionals 285

6.6 Dialog Boxes 291

Chapter 7 Object-Oriented Design 301

7.1 Software Development Activities 302

7.2 Identifying Classes and Objects 303

Assigning Responilities 305

7.3 Static Class Members 305

Static Variables 306

Static Methods 306

7.4 C lass Relationships 310

Dependency 310

Dependencies Among Objects of the Same Class 310

Aggregation 316

The this Reference 3

7.5 Interfaces 322

The Comparable Interface 327

The Iterator Interface 328

7.6 Enumerated Types Revisited 329

7.7 Method Design 332

Method Decomposition 333

Method Parameters Revisited 338

7.8 Method Overloading 343

7.9 Testing 345

Reviews 346

Defect Testing 346

7.10 GUI Design 349

7.11 Layout Managers 350

Flow Layout 352

Border Layout 356

Grid Layout 359

Box Layout 361

7.12 Borders 365

7.13 C ontainment Hierarchies 369

Software Failure:

03 Northeast Blackout 377

Chapter 8 A rrays 379

8.1 A rray Elements 380

8.2 Declaring and Using Arrays 381

Bounds Che 384

Alternate Array Syntax 389

Initializer Lists 389

Arrays as Parameters 390

8.3 A rrays of Objects 392

8.4 C ommand-Line Arguments 402

8.5 Variable Length Parameter Lists 404

8.6 Two-Dimensional Arrays 408

Multidimensional Arrays 412

8.7 P olygons and Polylines 413

The Polygon Class 416

8.8 Mouse Events 418

8.9 Key Events 427

Software Failure:

LA Air Traffic Control 441

Chapter 9 Inheritance 443

9.1 C reating Subclasses 444

The protected Modifier 447

The super Reference 450

Multiple Inheritance 453

9.2 Overriding Methods 455

Shadowing Variables 457

9.3 C lass Hierarchies 458

The Object Class 460

Abstract Classes 461

Interface Hierarchies 463

9.4 Viility 463

9.5 Designing for Inheritance 466

Restricting Inheritance 467

9.6 The Component Class Hierarchy 468

9.7 Extending Adapter Classes 471

9.8 The Timer Class 475

Software Failure:

Ariane 5 Flight 501 485

Chapter 10 P olymorphism 487

10.1 Late Binding 488

10.2 P olymorphism via Inheritance 489

10.3 P olymorphism via Interfaces 502

10.4 Sorting 504

Selection Sort 505

Insertion Sort 511

Comparing Sorts 512

10.5 Searching 513

Linear Search 513

Binary Search 515

Comparing Searches 519

10.6 Designing for Polymorphism 519

10.7 Event Processing 521

10.8 F ile Choosers 522

10.9 C olor Choosers 525

10.10 Sliders 527

Chapter 11 Exceptions 537

11.1 Exception Handling 538

11.2 Uncaught Exceptions 539

11.3 The try-catch Statement 540

The finally Clause 544

11.4 Exception Propagation 545

11.5 The Exception Class Hierarchy 549

Checked and Unchecked Exceptions 552

11.6 I/O Exceptions 553

11.7 Tool Tips and Mnemonics 557

11.8 C ombo Boxes 564

11.9 Scroll Panes 569

11.10 Split Panes 572

Chapter 12 R ecursion 583

12.1 R ecursive Thi 584

Infinite Recursion 584

Recursion in Math 585

12.2 R ecursive Programming 586

Recursion vs. Iteration 589

Direct vs. Indirect Recursion 589

12.3 Using Recursion 590

Traversing a Maze 591

The Towers of Hanoi 596

12.4 R ecursion in Graphics 601

Tiled Pictures 601

Fractals 604

Chapter 13 Collections 617

13.1 C ollections and Data Structures 618

Separating Interface from Implementation 618

13.2 Dynamic Representations 619

Dynamic Structures 619

A Dynamically Linked List 6

Other Dynamic List Representations 625

13.3 Linear Data Structures 627

Queues 627

Stacks 628

13.4 Non-Linear Data Structures 631

Trees 631

Graphs 632

13.5 The Java Collections API 634

Generics 634

Appendix AGlossary 641

Appendix B Number Systems 665

Appendix CThe Unicode Character Set 673

Appendix D Java Operators 677

Appendix E Java Modifiers 683

Appendix FJava Coding Guidelines 687

Appendix G Java Applets 693

Appendix H R egular Expressions 695

Appendix I Javadoc Documentation Generator 697

Appendix J The PaintBox Project 703

Appendix K GUI Events 715

Appendix L Java Syntax 719

Appendix M The Java Class Library 733

Appendix N A nswers to Self-Review Questions 735

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