1, JDBC (Java Database Connectivity) to connect a variety of relational databases to provide a unified interface, can provide unified access to a variety of relational database, which consists of a set of classes written in the Java language and interface. JDBC provides database developers with a standard API, thus can build more sophisticated tools and interfaces to make the database developers to write database applications using a pure Java API.
2, EJB (Enterprise JavaBeans) allows developers to easily create, deploy and manage enterprise applications cross-platform component-based.
3, Java RMI (Java Remote Method Invocation) is used to develop distributed Java applications. A method of remote Java objects can be invoked Java Virtual Machine. In this way, remote method activation can occur at both ends equal, can also occur between the client and server, as long as both applications are written in Java.
4, Java IDL (Java Interface Definition Language) provides CORBA (Common Object Request Broker Architecture) seamless interoperability. This makes Java can integrate heterogeneous business information resource.
5, JNDI (Java Naming and Directory Interface) to provide a unified platform for seamless connectivity from Java to. This interface shields the various naming and directory services used by enterprise networks.
6, JMAPI (Java Management API) provides a rich set of objects and methods for the development of heterogeneous network systems, network and service management.
7, JMS (Java Message Service) provides enterprise messaging services, such as reliable in all aspects of message queues, publish and subscribe communication, and information about the push-pull (Push / Pull) technology.
8, JTS (Java transaction Service) to provide open access to standard transaction processing resources, these resources include transaction processing transaction processing applications, transaction processing management and monitoring.
9, JavaBeans, it is an open standard component architecture, it is platform-independent, but the use of the Java language. JavaBean is a Java class to meet the JavaBeans specification, usually defines the concept of a thing or the real world.
The main features include JavaBean properties, methods and events. Typically, in a development environment supporting the JavaBeans specification (such as Sun Java Studio and IBM VisualAge for Java), the operator can visually JavaBean, may be used to construct a new JavaBean JavaBean. JavaBean strength lies in the portability of Java brings.
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