| Package | Description |
|---|---|
| java.applet | |
| java.awt | |
| java.awt.color | |
| java.awt.datatransfer | |
| java.awt.dnd | |
| java.awt.dnd.peer | |
| java.awt.event | |
| java.awt.font | |
| java.awt.geom | |
| java.awt.im | |
| java.awt.im.spi | |
| java.awt.image | |
| java.awt.image.renderable | |
| java.awt.peer | |
| java.awt.print | |
| java.beans | |
| java.beans.beancontext | |
| java.io | |
| java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
| java.lang.annotation |
Provides library support for the Java programming language
annotation facility.
|
| java.lang.instrument | |
| java.lang.invoke |
The
java.lang.invoke package contains dynamic language support provided directly by
the Java core class libraries and virtual machine. |
| java.lang.management | |
| java.lang.ref | |
| 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.nio | |
| 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 | |
| java.nio.charset | |
| java.nio.charset.spi | |
| 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.rmi | |
| java.rmi.activation | |
| java.rmi.dgc | |
| java.rmi.registry | |
| java.rmi.server | |
| 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superseded by classes in the java.security package.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, certificate revocation lists (CRLs), and
certification paths.
|
| 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 | |
| java.text | |
| java.text.spi | |
| java.time |
The main API for dates, times, instants, and durations.
|
| java.time.chrono |
Generic API for calendar systems other than the default ISO.
|
| java.time.format |
Provides classes to print and parse dates and times.
|
| java.time.temporal |
Access to date and time using fields and units, and date time adjusters.
|
| java.time.zone |
Support for time-zones and their rules.
|
| java.util | |
| java.util.concurrent |
Utility classes commonly useful in concurrent programming.
|
| java.util.concurrent.atomic |
A small toolkit of classes that support lock-free thread-safe
programming on single variables.
|
| java.util.concurrent.locks |
Interfaces and classes providing a framework for locking and waiting
for conditions that is distinct from built-in synchronization and
monitors.
|
| java.util.function |
Functional interfaces provide target types for lambda expressions
and method references.
|
| java.util.jar | |
| java.util.logging | |
| java.util.prefs | |
| java.util.regex | |
| java.util.spi | |
| java.util.stream |
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
|
| java.util.zip |
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