Uses of Class
java.io.OutputStream

Packages that use OutputStream 
Package Description
com.sun.net.httpserver
Provides a simple high-level Http server API, which can be used to build embedded HTTP servers.
java.awt.color
Provides classes for color spaces.
java.beans
Contains classes related to developing beans -- components based on the JavaBeans™ architecture.
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.net
Provides the classes for implementing networking applications.
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.file
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.spi
Service-provider classes for the java.nio.file package.
java.rmi.server
Provides classes and interfaces for supporting the server side of RMI.
java.security
Provides the classes and interfaces for the security framework.
java.security.cert
Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.sql
Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java™ programming language.
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.jar
Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.logging
Provides the classes and interfaces of the Java™ 2 platform's core logging facilities.
java.util.prefs
This package allows applications to store and retrieve user and system preference and configuration data.
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
The main package of the Java Image I/O API.
javax.imageio.stream
A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.print
Provides the principal classes and interfaces for the Java™ Print Service API.
javax.sound.midi
Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.midi.spi
Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
javax.sound.sampled
Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sound.sampled.spi
Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
javax.sql.rowset
Standard interfaces and base classes for JDBC RowSet implementations.
javax.sql.rowset.serial
Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language.
javax.swing.text
Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.rtf
Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors.
javax.tools
Provides interfaces for tools which can be invoked from a program, for example, compilers.
javax.xml.crypto.dsig
Classes for generating and validating XML digital signatures.
javax.xml.stream
Defines interfaces and classes for the Streaming API for XML (StAX).
javax.xml.transform.stream
Provides stream and URI specific transformation classes.
jdk.jshell.execution
Provides implementation support for building JShell execution engines.
jdk.security.jarsigner
This package defines APIs for signing jar files.
org.ietf.jgss
This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API.
org.w3c.dom.ls
Provides interfaces for DOM Level 3 Load and Save.