.NODE

Channels

The examples in the last chapter all read and wrote file channels. However, just as streams aren't limited to files, neither are channels. Like streams, channels can read and write network sockets, byte arrays, piped data from other threads, and more. The basic methods and patterns for reading and writing channels don't change from one data source to the next. You drain data from buffers when writing and fill buffers with data when reading. You can also transfer data directly from one channel to another. However, some things do change from one channel to the next. For instance, some channels are read-only and some are write-only. Some scatter data to multiple targets while some gather data from multiple sources. In this chapter, we take up the details of the various channel classes found in the java.nio.channels package.

Basic I/O

Introducing I/O

Output Streams

Input Streams

Data Sources

File Streams

Network Streams

Filter Streams

Filter Streams

Print Streams

Data Streams

Streams in Memory

Compressing Streams

JAR Archives

Cryptographic Streams

Object Serialization

New I/O

Buffers

Channels

Nonblocking I/O

The File System

Working with Files

File Dialogs and Choosers

Text

Character Sets and Unicode

Readers and Writers

Formatted I/O with java.text

Devices

The Java Communications API

USB

The J2ME Generic Connection Framework

Bluetooth

Character Sets





Java I/O
Java I/O
ISBN: 0596527500
EAN: 2147483647
Year: 2004
Pages: 244
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