Java Quick Reference Guide Page 2

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Provides classes and interfaces relating to bean
Signature Algorithm) keys as defined in NIST's
the plug-in interfaces for readers, writers,
java.beans.beancont
context.
FIPS-186.
transcoders, and streams, and a runtime registry.
ext
Provides for system input and output through data
Provides classes and interfaces for key
A package of the Java Image I/O API dealing with
java.io
java.security.spec
javax.imageio.strea
streams, serialization and the file system.
specifications and algorithm parameter
low-level I/O from files and streams.
m
specifications.
Provides classes that are fundamental to the design
Provides the classes and interfaces for accessing
java.lang
javax.naming
of the Java programming language.
Provides the API for accessing and processing data
naming services.
java.sql
stored in a data source (usually a relational
java.lang.ref
Provides reference-object classes, which support a
javax.naming.direct
Extends the javax.naming package to provide
TM
database) using the Java
programming language.
limited degree of interaction with the garbage
functionality for accessing directory services.
ory
collector.
Provides classes and interfaces for handling text,
java.text
Provides support for event notification when
javax.naming.event
dates, numbers, and messages in a manner
Provides classes and interfaces for obtaining
accessing naming and directory services.
java.lang.reflect
independent of natural languages.
reflective information about classes and objects.
Provides support for LDAPv3 extended operations
javax.naming.ldap
Contains the collections framework, legacy
java.util
Provides classes for performing arbitrary-precision
and controls.
java.math
collection classes, event model, date and time
integer arithmetic (BigInteger) and arbitrary-
facilities, internationalization, and miscellaneous
Provides the means for dynamically plugging in
javax.naming.spi
precision decimal arithmetic (BigDecimal).
utility classes (a string tokenizer, a random-number
support for accessing naming and directory services
Provides the classes for implementing networking
generator, and a bit array).
through the javax.naming and related packages.
java.net
applications.
Provides classes for networking applications.
Provides classes for reading and writing the JAR
javax.net
java.util.jar
Defines buffers, which are containers for data, and
(Java ARchive) file format, which is based on the
java.nio
Provides classes for the secure socket package.
javax.net.ssl
provides an overview of the other NIO packages.
standard ZIP file format with an optional manifest
file.
Provides the principal classes and interfaces for the
javax.print
Defines channels, which represent connections to
java.nio.channels
JavaTM Print Service API.
TM
entities that are capable of performing I/O
Provides the classes and interfaces of the Java
2
java.util.logging
Provides classes and interfaces that describe the
operations, such as files and sockets; defines
platform's core logging facilities.
javax.print.attribute
selectors, for multiplexed, non-blocking I/O
types of JavaTM Print Service attributes and how
This package allows applications to store and
java.util.prefs
operations.
they can be collected into attribute sets.
retrieve user and system preference and
Package javax.print.attribute.standard contains
Service-provider classes for the
configuration data.
javax.print.attribute
java.nio.channels.spi
classes for specific printing attributes.
.standard
java.nio.channels
package.
Classes for matching character sequences against
java.util.regex
patterns specified by regular expressions.
Package javax.print.event contains event classes
javax.print.event
Defines charsets, decoders, and encoders, for
java.nio.charset
and listener interfaces.
translating between bytes and Unicode characters.
Provides classes for reading and writing the
java.util.zip
Contains user APIs for RMI-IIOP.
standard ZIP and GZIP file formats.
javax.rmi
java.nio.charset.spi
java.nio.charset
Service-provider classes for the
package.
Contains portability APIs for RMI-IIOP.
javax.rmi.CORBA
Java extension packages
Provides the RMI package.
This package provides a framework for
java.rmi
javax.security.auth
Defines a contract between user-interface
javax.accessibility
authentication and authorization.
Provides support for RMI Object Activation.
components and an assistive technology that
java.rmi.activation
This package provides the classes necessary for
provides access to those components.
javax.security.auth.c
Provides classes and interface for RMI distributed
java.rmi.dgc
services to interact with applications in order to
allback
garbage-collection (DGC).
Provides the classes and interfaces for
javax.crypto
retrieve information (authentication data including
cryptographic operations.
Provides a class and two interfaces for the RMI
usernames or passwords, for example) or to display
java.rmi.registry
information (error and warning messages, for
registry.
Provides interfaces for Diffie-Hellman keys as
javax.crypto.interfa
defined in RSA Laboratories' PKCS #3.
example).
ces
Provides classes and interfaces for supporting the
java.rmi.server
server side of RMI.
Provides classes and interfaces for key
This package contains utility classes related to the
javax.crypto.spec
javax.security.auth.
Kerberos network authentication protocol.
specifications and algorithm parameter
kerberos
Provides the classes and interfaces for the security
java.security
specifications.
This package provides a pluggable authentication
framework.
javax.security.auth.l
The main package of the Java Image I/O API.
framework.
javax.imageio
ogin
The classes and interfaces in this package have
java.security.acl
been superseded by classes in the java.security
A package of the Java Image I/O API dealing with
This package provides the interface to be used for
javax.imageio.event
javax.security.auth.s
package.
synchronous notification of events during the
pi
implementing pluggable authentication modules.
reading and writing of images.
Provides classes and interfaces for parsing and
This package contains the classes that should be
java.security.cert
javax.security.auth.
managing certificates, certificate revocation lists
javax.imageio.metad
A package of the Java Image I/O API dealing with
x500
used to store X500 Principal and X500 Private
(CRLs), and certification paths.
reading and writing metadata.
Crendentials in a Subject.
ata
Provides interfaces for generating RSA (Rivest,
Provides classes for public key certificates.
java.security.interfa
Classes supporting the built -in JPEG plug-in.
javax.security.cert
javax.imageio.plugin
Shamir and Adleman AsymmetricCipher
ces
s.jpeg
Provides interfaces and classes for I/O, sequencing,
javax.sound.midi
algorithm) keys as defined in the RSA Laboratory
A package of the Java Image I/O API containing
and synthesis of MIDI (Musical Instrument Digital
javax.imageio.spi
Technical Note PKCS#1, and DSA (Digital
Interface) data.

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