Android Java Package 지원범위

[ Java Package 지원 범위 ]

Google Android 문서의 "Reference Information →  Package Index"

 

java.lang, java.io, java.nio, java.util, java.text 라고 할 수 있다.

UI는 android api를 사용해야 하니 UI 제외한 대부분의 기본 자바는 사용할 수 있다고 봐야 한다.

java.awt.font
java.io	Provides input and output facilities by means of streaming, filesystem access and serialization.
java.lang	Provides core classes of the Android environment.
java.lang.annotation	Defines interfaces and exceptions necessary for annotation support.
java.lang.ref
java.lang.reflect
java.math	This package provides arbitrary-precision integers and decimals.
java.net	Provides networking-related functionality, such as streaming and datagram sockets, handling of Internet addresses, and dealing with HTTP requests.
java.nio	Provides buffers that help handling data.
java.nio.channels	Channels provide a way to connect to sources of data such as files, sockets or other structures that allow input and/or output of data.
java.nio.channels.spi	Service-provider classes for nio channels.
java.nio.charset	This package allows translating between bytes and different character sets.
java.nio.charset.spi	Service-provider classe for nio charset.
java.security	This package provides all the classes and all the interfaces needed by Java security framework.
java.security.acl	This package provides all the classes and all the interfaces needed to build Access Control List.
java.security.cert	This package provides all the classes and all the interfaces needed to generate, administer and verify X.509 certificates.
java.security.interfaces	This package provides the interfaces needed to generate: (1) Keys for the RSA asymmetric encryption algorithm using the PKCS#1 standard; (2) Keys for the Digital Signature Algorithm (DSA) specified by FIPS-186; (3) Keys for a generic Elliptic Curve asymmetric encryption algorithm.
java.security.spec	This package provides the classes and interfaces needed to specify keys and parameter for encryption and signing algorithms.
java.sql	Provides a standard interface for accessing SQL-based databases.
java.text	The java.text package allows to uncouple the text in the application from a natural language.
java.util	Provides an extensive set of utility classes.
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.jar	The java.jar package gives access to jar files content.
java.util.logging	This package allows to add logging to any application.
java.util.prefs	Provides a preferences mechanism, that is, a means of writing configuration data (key/value pairs) to a persistent data store and retrieving it from there.
java.util.regex	Provides an implementation of regular ｅxpressions, which is useful for matching, searching, and replacing strings based on patterns.
java.util.zip	This package can read and write the standard zip format.
javax.crypto	This package provides the classes and interfaces needed to define encryption algorithm, keys' agreement algorithms and MAC (Message Authentication Code).
javax.crypto.interfaces	This package provides the interfaces needed to implement the Diffie-Hellman (DH) key agreement's algorithm as specified by PKCS#3.
javax.crypto.spec	This package provides the classes and interfaces needed to specify keys and parameter for encryption.
javax.microedition.khronos.egl
javax.microedition.khronos.opengles
javax.net
javax.net.ssl	This package provides all the classes and interfaces needed to implemenet and program the Secure Socket abstraction based on the SSL protocol SSSLv3.0 or TLSv1.2 All the details of the SSL handshake protocol ar card for, and the cipher set with which a client or a server work can be specified.
javax.security.auth	This package provides all the classes and interfaces needed to implemenet and program different methods of users' authentification and role based users' authorization.
javax.security.auth.callback	This package provides all the classes and interfaces needed to interact with the application in order to execute the authentification and authorization processes.
javax.security.auth.login	This package provides a pluggable and stackable authentication system based on ideas and concepts from the Unix-PAM module.
javax.security.auth.x500	This package provides all the classes needed to store X.500 principals and their credentials.
javax.security.cert	This package is provided only for compatibility reasons.
javax.sql	Provides extensions to the standard interface for accessing SQL-based databases.
javax.xml
javax.xml.parsers	Provides facilities for parsing XML documents and building Document Object Model (DOM) trees from them.
junit.framework	The junit test framework.
junit.runner	Utility classes supporting the junit test framework.