Package | Description |
---|---|
java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
java.lang.instrument |
Provides services that allow Java programming language agents to instrument
programs running on the JVM.
|
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.module |
Classes to support module descriptors and creating configurations of modules
by means of resolution and service binding.
|
java.net |
Provides the classes for implementing networking applications.
|
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.spi |
Service provider classes for the classes in the java.util package.
|
javax.lang.model.element |
Interfaces used to model elements of the Java programming language.
|
javax.lang.model.util |
Utilities to assist in the processing of
program elements and
types.
|
javax.tools |
Provides interfaces for tools which can be invoked from a program,
for example, compilers.
|
Class | Description |
---|---|
Enumeration |
An object that implements the Enumeration interface generates a
series of elements, one at a time.
|
List |
An ordered collection (also known as a sequence).
|
Optional |
A container object which may or may not contain a non-
null value. |
Set |
A collection that contains no duplicate elements.
|
Class | Description |
---|---|
Map |
An object that maps keys to values.
|
Set |
A collection that contains no duplicate elements.
|
Class | Description |
---|---|
List |
An ordered collection (also known as a sequence).
|
Class | Description |
---|---|
Collection |
The root interface in the collection hierarchy.
|
List |
An ordered collection (also known as a sequence).
|
Optional |
A container object which may or may not contain a non-
null value. |
Set |
A collection that contains no duplicate elements.
|
Class | Description |
---|---|
Enumeration |
An object that implements the Enumeration interface generates a
series of elements, one at a time.
|
Class | Description |
---|---|
Enumeration |
An object that implements the Enumeration interface generates a
series of elements, one at a time.
|
Iterator |
An iterator over a collection.
|
List |
An ordered collection (also known as a sequence).
|
Locale |
A
Locale object represents a specific geographical, political,
or cultural region. |
Optional |
A container object which may or may not contain a non-
null value. |
ResourceBundle |
Resource bundles contain locale-specific objects.
|
ResourceBundle.Control |
ResourceBundle.Control defines a set of callback methods
that are invoked by the ResourceBundle.getBundle factory
methods during the bundle loading process. |
ServiceLoader |
A facility to load implementations of a service.
|
ServiceLoader.Provider |
Represents a service provider located by
ServiceLoader . |
Set |
A collection that contains no duplicate elements.
|
Class | Description |
---|---|
Locale |
A
Locale object represents a specific geographical, political,
or cultural region. |
ResourceBundle |
Resource bundles contain locale-specific objects.
|
ResourceBundle.Control |
ResourceBundle.Control defines a set of callback methods
that are invoked by the ResourceBundle.getBundle factory
methods during the bundle loading process. |
Class | Description |
---|---|
List |
An ordered collection (also known as a sequence).
|
Set |
A collection that contains no duplicate elements.
|
Class | Description |
---|---|
List |
An ordered collection (also known as a sequence).
|
Map |
An object that maps keys to values.
|
Set |
A collection that contains no duplicate elements.
|
Class | Description |
---|---|
Iterator |
An iterator over a collection.
|
ServiceLoader |
A facility to load implementations of a service.
|
Set |
A collection that contains no duplicate elements.
|
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