Java 5.0 Tiger

With close to 4 million developers worldwide, Java is one of the most popular platforms and programming languages in the world. The 1.5 version of the JDK (Java Developer's Kit), now in beta release, has more than 100 significant changes and new language features that will strengthen its position considerably. Experienced Java developers anxious to get a jump-start on Java 1.5 will be able to dive right to the heart of these new features with our unique hands-on guide. Java 1.5: A Developer's Notebook skips theory and gets right into practice. Developers will be up and coding from chapter one, learning by doing.

Brett McLaughlin is a bestselling and award-winning non-fiction author. His books on computer programming, home theater, and analysis and design have sold in excess of 100,000 copies. He has been writing, editing, and producing technical books for nearly a decade, and is as comfortable in front of a word processor as he is behind a guitar, chasing his two sons and his daughter around the house, or laughing at reruns of Arrested Development with his wife.

Brett spends most of his time these days on cognitive theory, codifying and expanding on the learning principles that shaped the Head First series into a bestselling phenomenon. He's curious about how humans best learn, why Star Wars was so formulaic and still so successful, and is adamant that a good video game is the most effective learning paradigm we have.

David Flanagan is a computer programmer who spends most of his time writing about JavaScript and Java. His books with O'Reilly include Java in a Nutshell, Java Examples in a Nutshell, Java Foundation Classes in a Nutshell, JavaScript: The Definitive Guide, and JavaScript Pocket Reference. David has a degree in computer science and engineering from the Massachusetts Institute of Technology. He lives with his wife and children in the U.S. Pacific Northwest bewteen the cities of Seattle, Washington and Vancouver, British Columbia. David has a blog at www.davidflanagan.com.

The Developer's Notebook Series

ix

Preface

xiii

Chapter 1. What's New?

1

(14)

Working with Arrays

1

(4)

Using Queues

5

(2)

Ordering Queues Using Comparators

7

(2)

Overriding Return Types

9

(2)

Taking Advantage of Better Unicode

11

(1)

Adding StringBuilder to the Mix

12

(3)

Chapter 2. Generics

15

(20)

Using Type-Safe Lists

15

(3)

Using Type-Safe Maps

18

(1)

Iterating Over Parameterized Types

19

(2)

Accepting Parameterized Types as Arguments

21

(1)

Returning Parameterized Types

22

(1)

Using Parameterized Types as Type Parameters

23

(1)

Checking for Lint

24

(1)

Generics and Type Conversions

25

(4)

Using Type Wildcards

29

(1)

Writing Generic Types

30

(2)

Restricting Type Parameters

32

(3)

Chapter 3. Enumerated Types

35

(25)

Creating an Enum

35

(5)

Declaring Enums Inline

40

(1)

Iterating Over Enums

41

(1)

Switching on Enums

42

(4)

Maps of Enums

46

(2)

Sets of Enums

48

(3)

Adding Methods to an Enum

51

(3)

Implementing Interfaces with Enums

54

(1)

Value-Specific Class Bodies

55

(2)

Manually Defining an Enum

57

(1)

Extending an Enum

58

(2)

Chapter 4. Autoboxing and Unboxing

60

(10)

Converting Primitives to Wrapper Types

60

(2)

Converting Wrapper Types to Primitives

62

(1)

Incrementing and Decrementing Wrapper Types

63

(1)

Boolean Versus boolean

64

(1)

Conditionals and Unboxing

65

(1)

Control Statements and Unboxing

66

(1)

Method Overload Resolution

67

(3)

Chapter 5. varargs

70

(12)

Creating a Variable-Length Argument List

71

(3)

Iterating Over Variable-Length Argument Lists

74

(2)

Allowing Zero-Length Argument Lists

76

(2)

Specify Object Arguments Over Primitives

78

(1)

Avoiding Automatic Array Conversion

79

(3)

Chapter 6. Annotations

82

(25)

Using Standard Annotation Types

82

(3)

Annotating an Overriding Method

85

(2)

Annotating a Deprecated Method

87

(1)

Suppressing Warnings

88

(2)

Creating Custom Annotation Types

90

(3)

Annotating Annotations

93

(1)

Defining an Annotation Type's Target

94

(1)

Setting the Retention of an Annotation Type

95

(1)

Documenting Annotation Types

96

(3)

Setting Up Inheritance in Annotations

99

(2)

Reflecting on Annotations

101

(6)

Chapter 7. The for/in Statement

107

(16)

Ditching Iterators

107

(3)

Iterating over Arrays

110

(1)

Iterating over Collections

111

(2)

Avoiding Unnecessary Typecasts

113

(2)

Making Your Classes Work with for/in

115

(4)

Determining List Position and Variable Value

119

(2)

Removing List Items in a for/in Loop

121

(2)

Chapter 8. Static Imports

123

(9)

Importing Static Members

123

(2)

Using Wildcards in Static Imports

125

(1)

Importing Enumerated Type Values

126

(2)

Importing Multiple Members with the Same Name

128

(2)

Shadowing Static Imports

130

(2)

Chapter 9. Formatting

132

(10)

Creating a Formatter

132

(1)

Writing Formatted Output

133

(6)

Using the format () Convenience Method

139

(1)

Using the printf () Convenience Method

140

(2)

Chapter 10. Threading

142

(31)

Handling Uncaught Exceptions in Threads

142

(4)

Using Thread-Safe Collections

146

(2)

Using Blocking Queues

148

(4)

Specifying Timeouts for Blocking

152

(2)

Separating Thread Logic from Execution Logic

154

(2)

Using Executor as a Service

156

(2)

Using Callable Objects

158

(2)

Executing Tasks Without an Executor Service

160

(1)

Scheduling Tasks

161

(3)

Advanced Synchronizing

164

(1)

Using Atomic Types

165

(2)

Locking Versus Synchronization

167

(6)

Index

173

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Summary

Author Biography

Table of Contents

Supplemental Materials