好书推介：java的秘密！ - 技术文档 - JAVA

Chapter 1―Introducing Java SECRETS

A Little Knowledge Can Be a Dangerous Thing
What’s in This Book?

Part I: How Java Works
Part II: The sun Classes
Part III: Platform-Dependent Java

Why Java Secrets?

Broader applicability
More power
Inspiration

Where Did the Secrets Come From?

Where is the documentation?
The source code
The API documentation

What Versions of Java Are Covered?
Some Objections

Java is supposed to be platform independent
Why aren’t these things documented?
FUD (fear, uncertainty, and doubt)
How secret is this, anyway?

Summary

Chapter 2―Primitive Data Types

Bytes in Memory
Variables, Values, and Identifiers
Place-Value Number Systems

Binary notation
Hexadecimal notation
Octal notation

Integers

ints
Long, short, and byte

Floating-Point Numbers

Representing floating-point numbers in binary code
Special values
Denormalized floating-point numbers

CHAR

ASCII
ISO Latin-1
Unicode
UTF8

Boolean
Cross-Platform Issues

Byte order
Unsigned integers
Integer widths

Conversions and Casting

Using a cast
The mechanics of conversion

Bit-Level Operators

Some terminology
Bitwise operators
Bit shift operators

Summary

Chapter 3―Classes, Strings, and Arrays

The Heap
Pointers, Handles, and References

What is a pointer?
What is a handle?
What is a reference?

The Class Class
The Object Class

Cloning
Equality
Finalization
Runtime type information
Hash codes
Threading
Strings

Arrays

Multidimensional arrays
Array classes and objects
System.arraycopy()

Strings

String implementation
StringBuffers

java.util Data Structures

Vectors
Bitsets
Stack

Summary

Chapter 4―The Java Virtual Machine

Reading Compiled Files
Reading Class Files

Magic number
Minor version
Major version
Constant pool
Access flags
thisClass
Superclass
Interfaces
Attributes
Fields
Methods

Putting It All Together

Import statements
Access specifiers
Class and superclass
Interfaces
Fields
Methods

Legal Issues
Accessing Class Files

Copying .class files
Zip files
Jar files

Summary

Chapter 5―Java Byte Code

Byte Code Mnemonics
Using Mnemonics in the Disassembler
Stacks, Frames, and Pools
The Opcodes

Nop
Pushing values onto the stack
Stack manipulation
The local variable array
Arithmetic
Bit manipulation
The iinc instruction
Conversion codes
Comparison instructions
Unconditional branching
Switching
Objects
Arrays
Exceptions
Type checking
Threads: monitorenter and monitorexit

Decompilers and Other Tools
Summary

Part II―The Sun Classes

Chapter 6―Threads and Garbage Collection

Threads

Cooperative versus preemptive threads
Native versus emulated threads

Garbage Collection

Reference counting
Mark and sweep
Generational garbage collection

Summary

Chapter 7―Controlling Applets

What Is An Applet?
Applets Are Components Too

main() methods for applets
Including applets in non-applets
Dynamically loading applets

Stubs and Context

Writing applet contexts
Writing applet stubs
Better main() methods for applets

Loading Classes
Setting Security Policies
Loading Applets from Web Pages
Summary

Chapter 8―Introducing the Sun Classes

What the Sun Classes Are
Why the Sun Classes Exist
Using the Sun Classes Safely

Put the classes you use on your Web server
Distribute the classes with your application
Write an equivalent class
Legal issues
Checking for the presence of the sun classes
Checking for methods and fields

Summary

Chapter 9―Using the sun.applet Classes to View Applets

The sun.applet Package
The AppletViewer Class

The constructor
Other methods
The AppletContext methods

The AppletPanel and AppletViewerPanel Classes
The AppletClassLoader Class
The AppletSecurity Class

Network security
Host security
Runtime security
Class system security
File system security

Support Classes

AppletAudioClip
AppletThreadGroup
AppletCopyright
AppletProps
TextFrame

Summary

Chapter 10―Controlling Audio Playback with sun.audio

AppletAudioClip
AudioData
AudioPlayer
The Audio Streams

AudioStream
NativeAudioStream
AudioTranslatorStream
AudioDataStream
ContinuousAudioDataStream
AudioStreamSequence

AudioDevice
The Process
Putting It All Together
Summary

Chapter 11―Controlling the AWT with the sun.awt Package

Aligning Objects with the sun.awt LayoutManagers

HorizBagLayout
VerticalBagLayout
VariableGridLayout
OrientableFlowLayout

FocusingTextField
Controlling Screen Updating
Summary

Chapter 12―Encoding and Decoding Data with the sun.misc Package

Coding Binary Data in ASCII
The CharacterEncoder and CharacterDecoder Classes
HexDump Encoding
Base64 Encoding
UUEncoding
UCEncoding
Creating New Encodings
The CRC class
Summary

Chapter 13―Network Servers and Clients in the sun.net Package

Writing Network Servers

The sun.net.NetworkServer Class
Subclassing NetworkServer

Writing Network Clients

The sun.net.NetworkClient class
Subclassing NetworkClient

TransferProtocolClient

The TransferProtocolClient class
Subclassing TransferProtocolClient

Summary

Chapter 14―Sending Mail with the sun.net.smtp Package

SmtpClient

The constructors
The methods
Exceptions

Choosing an SMTP Server
Summary

Chapter 15―Reading News via NNTP with the sun.net.nntp Package

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