Uses of Package
java.nio

Packages that use java.nio 
Package Description
com.sun.nio.sctp
A Java API for Stream Control Transport Protocol.
java.io
Provides for system input and output through data streams, serialization and the file system.
java.lang
Provides classes that are fundamental to the design of the Java programming language.
java.lang.invoke
The java.lang.invoke package provides low-level primitives for interacting with the Java Virtual Machine.
java.lang.module
Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
java.net.http
HTTP Client and WebSocket APIs
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.charset
Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.file.attribute
Interfaces and classes providing access to file and file system attributes.
java.security
Provides the classes and interfaces for the security framework.
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.zip
Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.crypto
Provides the classes and interfaces for cryptographic operations.
javax.imageio.stream
A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.net.ssl
Provides classes for the secure socket package.
javax.smartcardio
Java™ Smart Card I/O API.
jdk.incubator.foreign
Classes to support low-level, safe and efficient memory access.
jdk.nashorn.api.scripting
This package provides the javax.script integration, which is the preferred way to use Nashorn.