Java for Engineers and Scientists

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ISBN: 9780139195235 | 0139195238
Cover: Paperback
Copyright: 1/1/2000

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For courses in Java Programming Language, and Structured Programming Techniques. From the very beginning, this concise introduction to Java develops and executes practical examples useful for solving problems in an engineering environment. Focused on the proper way to write reliable Java programs, it outlines excellent software development practices; uses a top-down design technique to break the program up into logical portions; and demonstrates object re-usability by building later examples on the classes and methods created in earlier examples. The text makes learning an interactive experience by providing all sources for all examples through a Website. The book also includes a number of supporting classes to make it easier for engineers to format numbers in Java, to display data in linear or logarithmic plots, to work with complex numbers, to manipulate arrays, and to perform such common engineering calculations as FFTs, convolutions, correlations, etc.

PREFACE

VII

The Book

viii

(1)

Topics Covered in This Book

(1)

Features of this Book

1 INTRODUCTION TO JAVA

(14)

1.1 Elements of Java

(1)

1.2 An Introduction to Object-Oriented Programming

(7)

1.2.1 Objects

(2)

1.2.2 Messages

(1)

1.2.3 Classes

(1)

1.2.4 Class Variables and Methods

(1)

1.2.5 Class Hierarchy and Inheritance

(1)

1.2.6 Java API Packages

(1)

1.3 Applets Versus Applications

(1)

1.4 A First Java Program

(2)

1.5 Compiling and Executing a Java Program

(3)

2 BASIC ELEMENTS OF JAVA

(43)

2.1 Introduction

(1)

2.2 Java Names

(1)

2.3 Constants and Variables

(7)

2.3.1 Integer Constants and Variables

(1)

2.3.2 Real Constants and Variables

(2)

2.3.3 Boolean Constants and Variables

(1)

2.3.4 Character Constants and Variables

(1)

2.3.5 Strings

(1)

2.3.6 Keeping Constants Consistent in a Program

(2)

2.4 Assignment Statements and Arithmetic Calculations

(8)

2.4.1 Integer Arithmetic

(1)

2.4.2 Floating-Point Arithmetic

(1)

2.4.3 Hierarchy of Operations

(2)

2.4.4 Numeric Promotion of Operands

(1)

2.4.5 Assignment Conversion and Casting Conversion

(2)

2.5 Assignment Operators

(1)

2.6 Increment and Decrement Operators

(1)

2.7 Mathematical Methods

(4)

2.7.1 Overloaded Methods

(1)

2.7.2 Coercion of Arguments

(2)

2.8 Standard Input and Output

(5)

2.8.1 Using the Standard Output Stream

(2)

2.8.2 Using the Standard Input Stream

(3)

2.9 Program Examples

(8)

2.10 Debugging Java Programs

(8)

3 BRANCHES AND PROGRAM DESIGN

(32)

3.1 Introduction to Top-down Design Techniques

(4)

3.2 Use of Pseudocode

(1)

3.3 Relational and Logical Operators

(5)

3.4 Selection Structures

(21)

4 REPETITION STRUCTURES

(44)

4.1 The while Loop

(7)

4.2 The do/while Loop

(1)

4.3 The for Loop

(17)

4.4 Formatting Output Data

115

(4)

4.5 Example Problem

119

(5)

4.6 More on Debugging Java Programs

124

(10)

5 ARRAYS, FILE ACCESS, AND PLOTTING

134

(44)

5.1 Introduction to Arrays

134

(2)

5.2 Declaring Arrays

136

(1)

5.3 Using Array Elements in Java Statements

136

(9)

5.3.1 Initializing Array Values

138

(1)

5.3.2 Out-of-Bounds Array Subscripts

139

(1)

5.3.3 The Use of Named Constants (Final Variables) with Array Declarations

140

(5)

5.4 Reading and Writing Data to Files

145

(4)

5.4.1 Reading Files with Class FileIn

145

(2)

5.4.2 Writing Files with Class FileOut

147

(2)

5.5 Example Problems

149

(9)

5.6 Introduction to Plotting

158

(3)

5.7 Two-Dimensional Arrays

161

(17)

5.7.1 Declaring Two-Dimensional Arrays

162

(2)

5.7.2 Initializing Two-Dimensional Arrays

164

(1)

5.7.3 Initializing Two-Dimensional Arrays From a File

164

(1)

5.7.4 Example Problem

165

(4)

5.7.5 Multi-Dimensional Arrays

169

(9)

6 METHODS

178

(35)

6.1 Why Use Methods?

180

(1)

6.2 Method Definitions

181

(2)

6.3 Variable Passing in Java: The Pass-by-Value Scheme

183

(3)

6.4 Example Problem

186

(3)

6.5 Automatic Variables

189

(1)

6.6 Scope

190

(1)

6.7 Recursive Methods

191

(2)

6.8 Method Overloading

193

(7)

6.9 Class java.util. Arrays

200

(1)

6.10 Additional Methods Supplied with This Book

200

(13)

7 CLASSES AND OBJECT-ORIENTED PROGRAMMING

213

(37)

7.1 The Structure of a Class

215

(1)

7.2 Implementing a Timer Class

215

(4)

7.3 Class Scope

219

(1)

7.4 Types of Methods

220

(7)

7.5 Standard Java Packages

227

(2)

7.6 Creating Your Own Packages

229

(2)

7.6.1 Setting the Class Path

231

(1)

7.6.2 Using User-Defined Packages

231

(1)

7.7 Member Access Modifiers

231

(2)

7.8 Finalizers and Garbage Collection

233

(1)

7.9 Static Class Members

234

(16)

7.9.1 Static Variables

234

(2)

7.9.2 Static Methods

236

(14)

8 EXCEPTIONS AND COMPLEX NUMBERS

250

(26)

8.1 Exceptions and Exception Handling

250

(17)

8.1.1 What Is an Exception?

250

(2)

8.1.2 Creating an Exception

252

(1)

8.1.3 Throwing an Exception

253

(5)

8.1.4 Handling Exceptions

258

(3)

8.1.5 The Exceptions Hierarchy and Inheritance

261

(1)

8.1.6 Nested try/catch Structures

262

(3)

8.1.7 Invalid Results That Do Not Produce Exceptions

265

(2)

8.2 Complex Numbers

267

(9)

8.2.1 Using chapman.math.Complex

267

(5)

8.2.2 Class chapman.math.SigProc

272

(4)

9 INHERITANCE, POLYMORPHISM, AND INTERFACES

276

(42)

9.1 Superclasses and Subclasses

276

(1)

9.2 Defining Superclasses and Subclasses

277

(5)

9.3 The Relationship Between Superclass Objects and Subclass Objects

282

(2)

9.4 Polymorphism

284

(4)

9.5 Abstract Classes

288

(3)

9.6 Final Methods and Classes

291

(1)

9.7 The Type-Wrapper Classes for Primitive Types

291

(11)

9.8 Interfaces

302

(5)

9.8.1 Implementing Interfaces

302

(3)

9.8.2 Calling Interface Methods

305

(1)

9.8.3 Using Interfaces to Define Constants

306

(1)

9.8.4 The Significance of Interface

307

(1)

9.9 The Collection and Iterator Interfaces

307

(11)

10 STRINGS

318

(35)

10.1 Creating and Initializing strings

319

(1)

10.2 String Methods

320

(11)

10.2.1 Substrings

320

(1)

10.2.2 Concatenating Strings

320

(4)

10.2.3 Comparing Strings

324

(4)

10.2.4 Locating Characters and Substrings in a String

328

(1)

10.2.5 Miscellaneous string Methods

329

(1)

10.2.6 The valueOf () Method

330

(1)

10.3 Creating and Initializing StringBuffers

331

(1)

10.4 StringBuffer Methods

332

(7)

10.4.1 The Difference between Length and Capacity

332

(3)

10.4.2 The append and insert Methods

335

(1)

10.4.3 The reverse Method

336

(3)

10.5 The stringTokenizer Class

339

(1)

10.6 Command-Line Arguments

340

(13)

11 INTRODUCTION TO JAVA GRAPHICS

353

(47)

11.1 Containers and Components

354

(6)

11.1.1 Creating and Displaying a Frame and a Canvas

355

(2)

11.1.2 How to Display Graphics on a Canvas

357

(2)

11.1.3 The Graphics Coordinate System

359

(1)

11.2 Drawing Lines

360

(9)

11.2.1 Drawing Simple Lines

360

(1)

11.2.2 Controlling Line Color, Width, and Style

360

(3)

11.2.3 Eliminating Jagged Edges From Lines

363

(6)

11.3 Drawing Other Shapes

369

(14)

11.3.1 Rectangles

369

(1)

11.3.2 Rounded Rectangles

370

(1)

11.3.3 Ellipses

371

(1)

11.3.4 Arcs

372

(3)

11.3.5 General Paths

375

(8)

11.4 Displaying Text

383

(5)

11.4.1 Selecting and Controlling Fonts

384

(1)

11.4.2 Getting Information About Fonts

385

(3)

11.5 The Affine Transform

388

(6)

11.6 XOR Mode

394

(6)

12 BASIC GRAPHICAL USER INTERFACES

400

(65)

12.1 How a Graphical User Interface Works

401

(3)

12.2 Creating and Displaying a Graphical User Interface

404

(2)

12.3 Events and Event Handling

406

(1)

12.4 Selected Graphical User Interface Components

407

(29)

12.4.1 Labels

408

(2)

12.4.2 Push Buttons and Associated Events

410

(5)

12.4.3 Text Fields and Password Fields

415

(6)

12 4.4 Combo Boxes

421

(3)

12.4.5 Check Boxes and Radio Buttons

424

(7)

12.4.6 Canvases (Blank Components)

431

(5)

12.5 Layout Managers

436

(8)

12.5.1 BorderLayout Layout Manager

436

(1)

12.5.2 FlowLayout Layout Manager

437

(1)

12.5 3 GridLayout Layout Manager

438

(1)

12.5.4 BoxLayout Layout Manager

438

(2)

12.5.5 Combining Layout Managers to Produce a Result

440

(4)

12.6 Putting It All Together

444

(21)

13 ADDITIONAL GUI COMPONENTS AND APPLETS

465

(52)

13.1 Additional Graphical User Interface Components

465

(10)

13.1.1 Lists

466

(8)

13.1.2 Tables

474

(1)

13.2 Menus

475

(8)

13.2.1 Menu Components

476

(2)

13.2.2 Events Associated with Menu Components

478

(5)

13.3 Dialog Boxes

483

(5)

13.3.1 Message Dialog Boxes

484

(1)

13.3.2 Confirm Dialog Boxes

485

(3)

13.3.3 Input Dialog Boxes

488

(1)

13.4 Interfaces and Adapter Classes

488

(4)

13.5 Pop-Up Menus

492

(3)

13.6 Pluggable Look and Feel

495

(9)

13.7 Introduction to Applets

504

(13)

13.7.1 The JApplet Class

504

(1)

13.7.2 Creating and Displaying an Applet

505

(3)

13.7.3 Displaying Status Information

508

(1)

13.7.4 Using Packages Within Apples

509

(1)

13.7.5 Creating an Applet That is Also an Application

510

(7)

14 INPUT AND OUTPUT

517

(30)

14.1 The Structure of the Java I/O System

519

(1)

14.2 Sequential Data Input

520

(2)

14.3 Sequential Data Output

522

(2)

14.4 Formatted Input and Output

524

(9)

14.4.1 Reading Strings from a Formatted Sequential File

524

(3)

14.4.2 Reading Numeric Data from a Formatted Sequential File

527

(2)

14.4.3 Reading Formatted Data from the Standard Input Stream

529

(2)

14.4.4 Formatted Output to a Sequential File

531

(2)

14.5 Unformatted Input and Output

533

(7)

14.5.1 Unformatted Input from a Sequential File

533

(1)

14.5.2 Unformatted Output to a Sequential File

534

(6)

14.6 Random Access Files

540

(2)

14.7 Getting Information about Files: The File class

542

(5)

APPENDIX A: ASCII CHARACTER SET

547

(1)

APPENDIX B: OPERATOR PRECEDENCE CHART

548

(2)

APPENDIX C: ANSWERS TO PRACTICE BOXES

550

(12)

INDEX

562

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Java for Engineers and Scientists

Summary

Author Biography

Table of Contents

Supplemental Materials