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Uses of Package
java.io

Packages that use java.io

java.applet	Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt	Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.color	Provides classes for color spaces.
java.awt.datatransfer	Provides interfaces and classes for transferring data between and within applications.
java.awt.dnd	Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.event	Provides interfaces and classes for dealing with different types of events fired by AWT components.
java.awt.font	Provides classes and interface relating to fonts.
java.awt.geom	Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
java.awt.image	Provides classes for creating and modifying images.
java.awt.image.renderable	Provides classes and interfaces for producing rendering-independent images.
java.awt.print	Provides classes and interfaces for a general printing API.
java.beans	Contains classes related to Java Beans development.
java.beans.beancontext	Provides classes and interfaces relating to bean context.
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.reflect	Provides classes and interfaces for obtaining reflective information about classes and objects.
java.math	Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal).
java.net	Provides the classes for implementing networking applications.
java.rmi	Provides the RMI package.
java.rmi.activation	Provides support for RMI Object Activation.
java.rmi.dgc	Provides classes and interface for RMI distributed garbage-collection (DGC).
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java.security.acl	The classes and interfaces in this package have been superseded by classes in the java.security package.
java.security.cert	Provides classes and interfaces for parsing and managing certificates.
java.security.interfaces	Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
java.security.spec	Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.sql	Provides the JDBC package.
java.text	Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
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).
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.zip	Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.swing	Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.border	Provides classes and interface for drawing specialized borders around a Swing component.
javax.swing.colorchooser	Contains classes and interfaces used by the JColorChooser component.
javax.swing.event	Provides for events fired by Swing components.
javax.swing.filechooser	Contains classes and interfaces used by the JFileChooser component.
javax.swing.plaf	Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
javax.swing.plaf.basic	Provides user interface objects built according to the Basic look-and-feel.
javax.swing.plaf.metal	Provides user interface objects built according to the ``metal'' look-and-feel.
javax.swing.plaf.multi	The multiplexing look and feel allows users to combine auxiliary look and feels with the default look and feel.
javax.swing.table	Provides classes and interfaces for dealing with java.awt.swing.JTable.
javax.swing.text	Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html	Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.
javax.swing.text.html.parser
javax.swing.text.rtf	Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors.
javax.swing.tree	Provides classes and interfaces for dealing with java.awt.swing.JTree.
javax.swing.undo	Provides support for undo/redo capabilities in an application such as a text editor.
org.omg.CORBA	Provides the mapping of the OMG CORBA APIs to the JavaTM programming language, including the class ORB, which is implemented so that a programmer can use it as a fully-functional Object Request Broker (ORB).
org.omg.CORBA.DynAnyPackage	Provides the exceptions used with the DynAny interface (InvalidValue, Invalid, InvalidSeq, and TypeMismatch).
org.omg.CORBA.ORBPackage	Provides the exception InvalidName, which is thrown by the method ORB.resolve_initial_references and the exception InconsistentTypeCode, which is thrown by the Dynamic Any creation methods in the ORB class.
org.omg.CORBA.portable	Provides a portability layer, that is, a set of ORB APIs that makes it possible for code generated by one vendor to run on another vendor's ORB.
org.omg.CORBA.TypeCodePackage	Provides the user-defined exceptions BadKind and Bounds, which are thrown by methods in in the class TypeCode.
org.omg.CosNaming	Provides the naming service for Java IDL.
org.omg.CosNaming.NamingContextPackage	Provides the exceptions used in the package org.omg.CosNaming (AlreadyBound, CannotProceed, InvalidName, NotEmpty, and NotFound) and also the Helper and Holder classes for those exceptions.

Classes in java.io used by java.applet

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt

FilenameFilter
Instances of classes that implement this interface are used to filter filenames.

IOException
Signals that an I/O exception of some sort has occurred.

ObjectOutputStream
An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.color

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.datatransfer

Externalizable
Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.

IOException
Signals that an I/O exception of some sort has occurred.

ObjectInput
ObjectInput extends the DataInput interface to include the reading of objects.

ObjectOutput
ObjectOutput extends the DataOutput interface to include writing of objects.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.dnd

IOException
Signals that an I/O exception of some sort has occurred.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.event

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.font

InvalidObjectException
Indicates that one or more deserialized objects failed validation tests.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.geom

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.image

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.image.renderable

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.awt.print

IOException
Signals that an I/O exception of some sort has occurred.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.beans

IOException
Signals that an I/O exception of some sort has occurred.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.beans.beancontext

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

ObjectInputStream
An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.

ObjectOutputStream
An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.io

BufferedReader
Read text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.

DataInput
The DataInput interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.

DataOutput
The DataOutput interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.

File
An abstract representation of file and directory pathnames.

FileDescriptor
Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.

FileFilter
A filter for abstract pathnames.

FilenameFilter
Instances of classes that implement this interface are used to filter filenames.

FileNotFoundException
Signals that an attempt to open the file denoted by a specified pathname has failed.

FilterInputStream
A FilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

FilterOutputStream
This class is the superclass of all classes that filter output streams.

FilterReader
Abstract class for reading filtered character streams.

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

InputStreamReader
An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and translates them into characters according to a specified character encoding.

InvalidObjectException
Indicates that one or more deserialized objects failed validation tests.

IOException
Signals that an I/O exception of some sort has occurred.

NotActiveException
Thrown when serialization or deserialization is not active.

ObjectInput
ObjectInput extends the DataInput interface to include the reading of objects.

ObjectInputStream.GetField
Provide access to the persistent fields read from the input stream.

ObjectInputValidation
Callback interface to allow validation of objects within a graph.

ObjectOutput
ObjectOutput extends the DataOutput interface to include writing of objects.

ObjectOutputStream.PutField
Provide programatic access to the persistent fields to be written to ObjectOutput.

ObjectStreamClass
Serialization's descriptor for classes.

ObjectStreamConstants
Constants written into the Object Serialization Stream.

ObjectStreamException
Superclass of all exceptions specific to Object Stream classes.

ObjectStreamField
A description of a Serializable field from a Serializable class.

OptionalDataException
Unexpected data appeared in an ObjectInputStream trying to read an Object.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

OutputStreamWriter
Write characters to an output stream, translating characters into bytes according to a specified character encoding.

PipedInputStream
A piped input stream should be connected to a piped output stream; the piped input stream then provides whatever data bytes are written to the piped output stream.

PipedOutputStream
A piped output stream can be connected to a piped input stream to create a communications pipe.

PipedReader
Piped character-input streams.

PipedWriter
Piped character-output streams.

Reader
Abstract class for reading character streams.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

SerializablePermission
This class is for Serializable permissions.

StreamCorruptedException
Thrown when control information that was read from an object stream violates internal consistency checks.

SyncFailedException

UnsupportedEncodingException
The Character Encoding is not supported

Writer
Abstract class for writing to character streams.

Classes in java.io used by java.lang

FileDescriptor
Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

UnsupportedEncodingException
The Character Encoding is not supported

Classes in java.io used by java.lang.reflect

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.math

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.net

FileDescriptor
Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.rmi

IOException
Signals that an I/O exception of some sort has occurred.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.rmi.activation

IOException
Signals that an I/O exception of some sort has occurred.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.rmi.dgc

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.rmi.server

DataInput
The DataInput interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.

DataOutput
The DataOutput interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.

Externalizable
Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.

FilterOutputStream
This class is the superclass of all classes that filter output streams.

IOException
Signals that an I/O exception of some sort has occurred.

ObjectInput
ObjectInput extends the DataInput interface to include the reading of objects.

ObjectOutput
ObjectOutput extends the DataOutput interface to include writing of objects.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

StreamCorruptedException
Thrown when control information that was read from an object stream violates internal consistency checks.

Classes in java.io used by java.security

FilterInputStream
A FilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

FilterOutputStream
This class is the superclass of all classes that filter output streams.

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.security.acl

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.security.cert

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.security.interfaces

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.security.spec

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.sql

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Reader
Abstract class for reading character streams.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.text

InvalidObjectException
Indicates that one or more deserialized objects failed validation tests.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.util

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

PrintWriter
Print formatted representations of objects to a text-output stream.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.util.jar

File
An abstract representation of file and directory pathnames.

FilterInputStream
A FilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

FilterOutputStream
This class is the superclass of all classes that filter output streams.

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by java.util.zip

File
An abstract representation of file and directory pathnames.

FilterInputStream
A FilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

FilterOutputStream
This class is the superclass of all classes that filter output streams.

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing

File
An abstract representation of file and directory pathnames.

FilterInputStream
A FilterInputStream contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.border

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.colorchooser

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.event

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.filechooser

File
An abstract representation of file and directory pathnames.

IOException
Signals that an I/O exception of some sort has occurred.

Classes in java.io used by javax.swing.plaf

File
An abstract representation of file and directory pathnames.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.plaf.basic

File
An abstract representation of file and directory pathnames.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.plaf.metal

File
An abstract representation of file and directory pathnames.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.plaf.multi

File
An abstract representation of file and directory pathnames.

Classes in java.io used by javax.swing.table

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.text

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

ObjectInputStream
An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.

ObjectOutputStream
An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

PrintStream
A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.

Reader
Abstract class for reading character streams.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Writer
Abstract class for writing to character streams.

Classes in java.io used by javax.swing.text.html

IOException
Signals that an I/O exception of some sort has occurred.

Reader
Abstract class for reading character streams.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Writer
Abstract class for writing to character streams.

Classes in java.io used by javax.swing.text.html.parser

DataInputStream
A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.

IOException
Signals that an I/O exception of some sort has occurred.

Reader
Abstract class for reading character streams.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.text.rtf

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

IOException
Signals that an I/O exception of some sort has occurred.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

Reader
Abstract class for reading character streams.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Writer
Abstract class for writing to character streams.

Classes in java.io used by javax.swing.tree

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by javax.swing.undo

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by org.omg.CORBA

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by org.omg.CORBA.DynAnyPackage

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by org.omg.CORBA.ORBPackage

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by org.omg.CORBA.portable

InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.

OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by org.omg.CORBA.TypeCodePackage

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by org.omg.CosNaming

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.

Classes in java.io used by org.omg.CosNaming.NamingContextPackage

Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.