J2EE technology brief introduction

zhaozj2021-02-08  391

J2EE technology

Java2's Enterprise Edition is a series of strong systems combined with a series of middleware, which makes the server-based application developers

It is very simple. J2EE includes the technology as follows:

Enterprise JavaBeans (EJB)

EJB defines the rules written by the server party components, and also defines how to manage components and applications and how they communicate.

. EJB promotes the development of the component trading market, where component providers can sell reusable components.

Java Remote Method Invocation (RMI) and RMI-IIOP

RMI allows internal communications and provides communication with other service communications. RMI-IIOP is a streamlined expansion of RMI using the IIOP protocol.

Integrate with CORBA.

Java Naming and Directory Interface (JNDI)

JNDI identification components or other network resources.

Java Database Connectivity (JDBC)

JDBC is a bridge of a relational database that allows an operational relational database.

Java Transaction API (JTA) and Java Transaction Service (JTS)

JTA and JTS specification allow components to support transaction protection.

Java Messaging Service (JMS)

JMS allows distributed objects to communicate asynchronously.

Java Servlets and Java Server Pages (JSPS)

Servlets and JSPs are network components, and the concept is compliant with request / response, like communication via HTTP protocol and client.

.

Java IDL.

Java IDL is Sun Company to implement Java-based CORBA technology. Java IDL allows integration with other languages, and also allows

Distributed Calculation Based on CORBA.

JavaMail

JavaMail services allow you to send platform independent and protocol independent E-mail information through your Java program.

Connectors

Connectors make J2EE enabled with high-end applications running on the mainframe system, such as an ERP system.

The Extensible Markup Language (XML)

Several J2EE technologies are tissue and description information, such as: EJB1.1, JSP, and more.

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