Java Programming

1026 Pages·2015·24.245 MB·English

by  Joyce Farrell

TM
JAVA PROGRAMMING
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EIGHTH EDITION
TM
JAVA PROGRAMMING
JOYCE FARRELL
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JavaProgramming, ©2016,2014,2012CengageLearning
EighthEdition
WCN:02-200-203
JoyceFarrell
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Brief Contents
v
Preface . . . . . . . . . . . . . . . . . . . . . . xxi
CHAPTER 1 Creating Java Programs . . . . . . . . . . . . . . . . 1
CHAPTER 2 Using Data . . . . . . . . . . . . . . . . . . . . . 53
CHAPTER 3 Using Methods, Classes, and Objects . . . . . . . 119
CHAPTER 4 More Object Concepts . . . . . . . . . . . . . . . 183
CHAPTER 5 Making Decisions . . . . . . . . . . . . . . . . . 245
CHAPTER 6 Looping . . . . . . . . . . . . . . . . . . . . . 301
CHAPTER 7 Characters, Strings, and the StringBuilder . . . 353
CHAPTER 8 Arrays . . . . . . . . . . . . . . . . . . . . . . 393
CHAPTER 9 Advanced Array Concepts . . . . . . . . . . . . . 439
CHAPTER 10 Introduction to Inheritance . . . . . . . . . . . . . 491
CHAPTER 11 Advanced Inheritance Concepts . . . . . . . . . . 537
CHAPTER 12 Exception Handling . . . . . . . . . . . . . . . . 593
CHAPTER 13 File Input and Output . . . . . . . . . . . . . . . 665
CHAPTER 14 Introduction to Swing Components . . . . . . . . 729
CHAPTER 15 Advanced GUI Topics . . . . . . . . . . . . . . . 791
CHAPTER 16 Graphics . . . . . . . . . . . . . . . . . . . . . 861
APPENDIX A Working with the Java Platform . . . . . . . . . . . 919
APPENDIX B Data Representation . . . . . . . . . . . . . . . 925
APPENDIX C Formatting Output . . . . . . . . . . . . . . . . 931
APPENDIX D Generating Random Numbers . . . . . . . . . . . 941
APPENDIX E Javadoc . . . . . . . . . . . . . . . . . . . . . 949
Glossary . . . . . . . . . . . . . . . . . . . . 957
Index . . . . . . . . . . . . . . . . . . . . . . 979
Copyright 2016 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
Contents
vi
Preface . . . . . . . . . . . . . . . . . . xxi
CHAPTER 1 Creating Java Programs . . . . . . . . . . . 1
Learning Programming Terminology . . . . . . . . . . . . . . 2
Comparing Procedural andObject-Oriented
ProgrammingConcepts . . . . . . . . . . . . . . . . . . 6
ProceduralProgramming . . . . . . . . . . . . . . . . . . 6
Object-OrientedProgramming . . . . . . . . . . . . . . . . 6
Understanding Classes,Objects, andEncapsulation . . . . . . 7
Understanding Inheritance andPolymorphism . . . . . . . . . 9
Featuresofthe Java Programming Language . . . . . . . . . . 11
JavaProgramTypes . . . . . . . . . . . . . . . . . . . . 12
Analyzing a Java ApplicationthatProducesConsoleOutput . . . . 13
Understanding the Statement thatProducesthe Output . . . . . 14
Understanding the First Class . . . . . . . . . . . . . . . 15
Indent Style . . . . . . . . . . . . . . . . . . . . . . . 18
Understanding the main()Method . . . . . . . . . . . . . 19
Saving a Java Class . . . . . . . . . . . . . . . . . . . . 21
Compilinga JavaClassandCorrectingSyntaxErrors . . . . . . . 23
Compiling aJava Class . . . . . . . . . . . . . . . . . . . 23
Correcting SyntaxErrors . . . . . . . . . . . . . . . . . . 24
Running aJava Application andCorrecting LogicErrors . . . . . . 29
Running aJava Application . . . . . . . . . . . . . . . . . 29
Modifying a Compiled Java Class . . . . . . . . . . . . . . 30
Correcting LogicErrors . . . . . . . . . . . . . . . . . . 31
AddingComments to a Java Class . . . . . . . . . . . . . . . 32
Creating a Java ApplicationthatProducesGUIOutput . . . . . . 35
Finding Help . . . . . . . . . . . . . . . . . . . . . . . . 38
Don’tDoIt . . . . . . . . . . . . . . . . . . . . . . . . . 39
KeyTerms . . . . . . . . . . . . . . . . . . . . . . . . . 41
Copyright 2016 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
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ChapterSummary . . . . . . . . . . . . . . . . . . . . . . 45
ReviewQuestions . . . . . . . . . . . . . . . . . . . . . . 46
Exercises . . . . . . . . . . . . . . . . . . . . . . . . . 48
Programming Exercises . . . . . . . . . . . . . . . . . . 48
DebuggingExercises . . . . . . . . . . . . . . . . . . . 50 vii
Game Zone . . . . . . . . . . . . . . . . . . . . . . . . 50
Case Problems . . . . . . . . . . . . . . . . . . . . . . 51
CHAPTER 2 Using Data . . . . . . . . . . . . . . . . . 53
Declaring andUsing ConstantsandVariables . . . . . . . . . . 54
DeclaringVariables . . . . . . . . . . . . . . . . . . . . 55
DeclaringNamedConstants . . . . . . . . . . . . . . . . 56
TheScopeofVariablesandConstants . . . . . . . . . . . . 58
Concatenating Strings to VariablesandConstants . . . . . . . 58
Pitfall:Forgetting thata VariableHolds
OneValue ataTime . . . . . . . . . . . . . . . . . . . 60
Learning About Integer Data Types . . . . . . . . . . . . . . 64
Using the booleanDataType . . . . . . . . . . . . . . . . . 70
Learning About Floating-Point Data Types . . . . . . . . . . . . 71
Using the charData Type . . . . . . . . . . . . . . . . . . 72
Using the ScannerClasstoAcceptKeyboardInput . . . . . . . 78
Pitfall:Using nextLine()Following One ofthe
OtherScannerInputMethods . . . . . . . . . . . . . . 81
Using the JOptionPaneClasstoAcceptGUIInput . . . . . . . 87
Using Input Dialog Boxes . . . . . . . . . . . . . . . . . . 87
Using Confirm Dialog Boxes . . . . . . . . . . . . . . . . 91
Performing Arithmetic . . . . . . . . . . . . . . . . . . . . 93
AssociativityandPrecedence . . . . . . . . . . . . . . . . 95
Writing ArithmeticStatements Efficiently . . . . . . . . . . . 96
Pitfall:Not Understanding Imprecision
in Floating-PointNumbers . . . . . . . . . . . . . . . . 96
Understanding Type Conversion . . . . . . . . . . . . . . . 101
AutomaticTypeConversion . . . . . . . . . . . . . . . . 101
ExplicitType Conversions . . . . . . . . . . . . . . . . 102
Don’tDoIt . . . . . . . . . . . . . . . . . . . . . . . . 106
KeyTerms . . . . . . . . . . . . . . . . . . . . . . . . 107
Copyright 2016 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
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CONTENTS
ChapterSummary . . . . . . . . . . . . . . . . . . . . . 111
ReviewQuestions . . . . . . . . . . . . . . . . . . . . . 111
Exercises . . . . . . . . . . . . . . . . . . . . . . . . 114
Programming Exercises . . . . . . . . . . . . . . . . . 114
viii DebuggingExercises . . . . . . . . . . . . . . . . . . 116
Game Zone . . . . . . . . . . . . . . . . . . . . . . . 117
Case Problems . . . . . . . . . . . . . . . . . . . . . 118
CHAPTER 3 Using Methods, Classes, and Objects . . . . 119
Understanding MethodCalls andPlacement . . . . . . . . . . 120
Understanding MethodConstruction . . . . . . . . . . . . . 123
AccessSpecifiers . . . . . . . . . . . . . . . . . . . . 123
Return Type . . . . . . . . . . . . . . . . . . . . . . 124
MethodName . . . . . . . . . . . . . . . . . . . . . 125
Parentheses . . . . . . . . . . . . . . . . . . . . . . 125
AddingParametersto Methods . . . . . . . . . . . . . . . 129
Creating a MethodthatReceives a Single Parameter . . . . . 130
Creating a MethodthatRequiresMultiple Parameters . . . . . 133
Creating MethodsthatReturn Values . . . . . . . . . . . . . 136
Chaining MethodCalls . . . . . . . . . . . . . . . . . . 138
Learning About ClassesandObjects . . . . . . . . . . . . . 142
Creating a Class . . . . . . . . . . . . . . . . . . . . . 145
Creating InstanceMethods in a Class . . . . . . . . . . . . 147
Organizing Classes . . . . . . . . . . . . . . . . . . . 150
Declaring Objects andUsing theirMethods . . . . . . . . . . 154
Understanding DataHiding . . . . . . . . . . . . . . . . 156
AnIntroductiontoUsing Constructors . . . . . . . . . . . . 159
Understanding thatClassesAre Data Types . . . . . . . . . . 163
Don’tDoIt . . . . . . . . . . . . . . . . . . . . . . . . 168
KeyTerms . . . . . . . . . . . . . . . . . . . . . . . . 168
ChapterSummary . . . . . . . . . . . . . . . . . . . . . 170
ReviewQuestions . . . . . . . . . . . . . . . . . . . . . 171
Exercises . . . . . . . . . . . . . . . . . . . . . . . . 174
Programming Exercises . . . . . . . . . . . . . . . . . 174
DebuggingExercises . . . . . . . . . . . . . . . . . . 177
Game Zone . . . . . . . . . . . . . . . . . . . . . . . 178
Case Problems . . . . . . . . . . . . . . . . . . . . . 179
Copyright 2016 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.