Please note that this documentation is not final and is subject to change.

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More New I/O APIs for the Java™ Platform

Packages 
Package Description
java.io
Provides for system input and output through data streams, serialization and the file system.
java.net
Provides the classes for implementing networking applications.
java.nio
Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.channels
Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi
Service-provider classes for the java.nio.channels package.
java.nio.file
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.attribute
Interfaces and classes providing access to file and file system attributes.
java.nio.file.spi
Service-provider classes for the java.nio.file package.
java.util
Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).

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