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All of Java's Input/Output (I/O) facilities are based on streams, which provide simple ways to read and write data of different types. Java provides many different kinds of streams, each with its own application. The universe of streams is divided into four large categories: input streams and output streams, for reading and writing binary data; and readers and writers, for reading and writing textual (character) data. You're almost certainly familiar with the basic kinds of streams--but did you know that there's a CipherInputStream for reading encrypted data? And a ZipOutputStream for automatically compressing data? Do you know how to use buffered streams effectively to make your I/O operations more efficient? Java I/O tells you all you ever need to know about streams--and probably more.A discussion of I/O wouldn't be complete without treatment of character sets and formatting. Java supports the UNICODE standard, which provides definitions for the character sets of most written languages. Consequently, Java is the first programming language that lets you do I/O in virtually any language. Java also provides a sophisticated model for formatting textual and numeric data. Java I/O shows you how to control number formatting, use characters aside from the standard (but outdated) ASCII character set, and get a head start on writing truly multilingual software.Java I/O includes:

Coverage of all I/O classes and related classes

In-depth coverage of Java's number formatting facilities and its support for International character sets

Preface
I. Basic I/O
1.Introducing I/O
What is a Stream
Numeric Data
Character Data
Readers and Writers
The Ubiquitous IOException
The Console: System.out, System.in and System.err
Security Checks on I/O
2.Output Streams
The OutputStream Class
Writing Bytes to OutputStreams
Writing Arrays of Bytes
Flushing and Closing Output Streams
Subclassing OutputStream
A Graphical User Interface for Output Stream
3.Input Streams
The InputStream Class
The read() method
Reading Chunks of Data from a Stream
Counting the Available Bytes
Skipping Bytes
Closing Input Streams
Marking and Resetting
Subclassing InputStream
An Efficient Stream Copier
II. Data Sources
4.File Streams
Reading Files
Writing Files
File Viewer, Part I
5.Network Streams
URLs
URL Connections
Sockets
Server Sockets
URLViewer
III.Filter Streams
6.Filter Streams
The Filter Stream Classes
The Filter Stream Subclasses
Buffered Streams
PushbackInputStream
Print Stream
Multitarget Output Streams
File Viewer, Part 2
7.Data Streams
The Data Stream Classes
Reading and Writing Integers
Reading and Writing Floating Point Numbers
Reading and Writing Booleans
Reading Byte Arrays
Reading and Writing Text
Miscellaneous Methods
Reading and Writing Litttle-Endian Numbers
Thread Safety
File Viewer, Part 3
8.Streams in Memory
Sequence Input Streams
Byte Array Streams
Communicating Between Threads with Piped Streams
9.Compressing Streams
Inflaters and Deflaters
Compressing and Decompressing Streams
Working with Zip Files
Checksums
JAR Files
File Viewer, Part 4
10.Cryptographic Streams
Hash Function Basics
The MessageDigest Class
Digest Streams
Encryption Basics
The Cipher Class
Cipher Streams
File Viewer, Part 5
IV. Advanced and Miscellaneous Topics
11.Object Serialization
Reading and Writing Objects
Object Streams
How Object Serialization Works
Performance
The Serilization Interface
The ObjectInput and ObjectOutput Interface
Versioning
Customizing the Serialization Format
Resolving Classes
Resolving Objects
Validation
Sealed Objects
12.Working with Files
Understanding Files
Directories and Path
The File Class
Filename Filters
File Filters
File Descriptors
Random-Access Files
General Techniques for Cross-Platform File Access Code
13.File Dialogs and Choosers
File Dialogs
JFileChooser
File Viewer, Part 6
14.Multilingual Character Sets and Unicode
Unicode
Displaying Unicode Text
Unicode Escapes
UTF-8
The char Data Type
Other Encodings
Converting Between Byte Arrays and Strings
15.Readers and Writers
The java.io.Writer Class
The OutputStreamWriter Class
The java.io.Reader Class
The InputStreamReader Class
Character Array Readers and Writers
String Readers and Writers
Reading and Writing Files
Buffered Readers and Writers
Print Writers
Piped Readers and Writers
Filtered Readers and Writers
File Viewer Finis
16.Formatted I/O with java.text
The Old Way
Choosing a Locale
Number Formats
Specifying Width with FieldPosition
Parsing Input
Decimal Formats
An Exponential Number Format
17.The Java Communication API
The Architecture of the Java Communication API
Identifying Ports
Communicating with a Device on a Port
Serial Ports
Parallel Ports
V. Appendixes
A. Additional Resources
B. Character Sets
Index
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