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EspañolJAVA PLATFORM, ENTERPRISE EDITION
(Redirected from Java EE)
'Java Platform, Enterprise Edition' or 'Java EE' is a widely used platform for server programming in the Java programming language. The Java EE Platform differs from the Standard Edition (SE) of Java in that it adds additional libraries which provide functionality to deploy fault-tolerant, distributed, multi-tier Java software, based largely on modular components running on an application server.
The platform was known as ''Java 2 Platform, Enterprise Edition'' or ''J2EE'' until the name was changed to ''Java EE'' in version 1.5.
Java EE is defined by its specification. As with other Java Community Process specifications, Java EE is also considered informally to be a standard since providers must agree to certain conformance requirements in order to declare their products as ''Java EE compliant''; albeit with no ISO or ECMA standard.
Java EE includes several API specifications, such as JDBC, RMI, e-mail, JMS, web services, XML, etc, and defines how to coordinate them. Java EE also features some specifications unique to Java EE for components. These include Enterprise JavaBeans, servlets, portlets (following the Java Portlet specification), JavaServer Pages and several web service technologies. This allows developers to create enterprise applications that are portable and scalable, and that integrate with legacy technologies. A J2EE "application server" can handle the transactions, security, arity, scalability, "gender", concurrency and management of the components that are deployed to it, meaning that the developers can concentrate more on the business logic of the components rather than on infrastructure and integration tasks.
The original J2EE specification was developed by Sun Microsystems.
The J2EE 1.2 SDK was released in December 1999.
Starting with J2EE 1.3, the specification was developed under the Java Community Process. JSR 58 specifies J2EE 1.3 and JSR 151 specifies the J2EE 1.4 specification.
The J2EE 1.3 SDK was first released by Sun as a beta in April 2001. The J2EE 1.4 SDK beta was released by Sun in December 2002.
The Java EE 5 specification was developed under JSR 244 and the final release was made on May 11, 2006.
The Java EE 6 specification is being developed under JSR 316 and is scheduled for release in 2008.
The Java EE APIs includes several technologies that extend the functionality of the base Java SE APIs.
The Enterprise JavaBeans API defines a set of APIs that a distributed object container will support in order to provide persistence, remote procedure calls (using RMI or RMI-IIOP), concurrency control, and access control for distributed objects.
The
The
These packages define the Java Transaction API (JTA).
These packages define the JAXP API. This is used for XML parsing.
These packages define the Java Message Service (JMS) API.
These packages define the JAX-WS API responsible for web services support.
★ Sun Java System Application Server Platform Edition 9.0, developed as the open-source server GlassFish
★ WebLogic Application Server 10.0 from BEA Systems
★ SAP NetWeaver Application Server, Java EE 5 Edition from SAP
★ JEUS 6, an Application Server from TmaxSoft
★ JBoss, an open-source application server from JBoss. A beta version of the JEE 5 version is available but this version is not certified [1].
★ Geronimo, an open-source application server from Apache
★ Pramati Server 5.0
★ JOnAS, an open-source application server from ObjectWeb
★ Oracle Application Server 10g
★ Resin, an application server with integrated XML support
★ SAP NetWeaver Application Server, Java EE 5 Edition from SAP
★ Sun Java System Web Server
★ Sun Java System Application Server Platform Edition 8.2
★ IBM WebSphere Application Server (WAS)
★ JRun Application Server from Macromedia...
★ J2EE Developer's Handbook, , Paul J., Perrone, Sam's Publishing, 2003, ISBN 0-672-32348-6
★ The J2EE Tutorial, , Stephanie, Bodoff, Addison-Wesley, 2004, ISBN 0-321-24575-X
★ Solveig Haugland, Mark Cade, Anthony Orapallo: ''J2EE 1.4: The Big Picture'', Prentice Hall, ISBN 0-13-148010-3
★ Alan Monnox: ''Rapid J2EE Development: An Adaptive Foundation for Enterprise Applications'', Prentice Hall, ISBN 0-13-147220-8
★ Renaud Pawlak, Lionel Seinturier, Jean-Philippe Retaillé: ''Foundations of AOP for J2EE Development'', ISBN 1-59059-507-6
★ Christopher Judd, Hakeem Shittu: ''Pro Eclipse JST: Plug-ins for J2EE Development'', ISBN 1-59059-493-2
★ Web container
★ Deployment Descriptor
★ Java BluePrints
★ Sun Java System Portal Server
★ Sun's Official Java EE Tutorial
★ Sun's Java EE Training
★ Sun's Java EE page - official documentation
★
★ Java EE 5 technologies and JSRs
★ Sun's J2EE compatibility page - certified J2EE servers
★ Javalobby.org - popular Java, JSP & J2EE developer forums
★ Jim Farley 1 August 2000. (O'Reilly 2004.)
★ JavaToolbox List of the available development tools and libraries for Java/J2EE
★ Java BluePrints - Sun's best practices for Java 2, Enterprise Edition application development.
★ JavaRSS.com - A Java portal of Java websites rich in Java & J2EE News, Articles, Blogs, Groups, Forums and Tags
★ Enterprise Java Technologies Tech Tips
★ Java EE Tips
★ J2ee tutorials
===Examples of Java EE application servers===
★ BEA WebLogic (http://bea.com/framework.jsp?CNT=index.htm&FP=/content/products/server)
★ Borland Enterprise Server (http://www.borland.com/bes/appserver)
★ Geronimo Application Server by Apache Software Foundation (http://geronimo.apache.org)
★ JBoss Application Server (http://www.jboss.org/products/jbossas)
★ JOnAS by ObjectWeb consortium (Java Open Application Server, http://jonas.objectweb.org)
★ JRun by Macromedia (http://www.macromedia.com/software/jrun/)
★ Oracle Application Server (http://www.oracle.com/appserver)
★ Orion Application Server by IronFlare (http://www.orionserver.com)
★ Pramati Server (http://www.pramati.com)
★ Sun Java System Application Server (http://www.sun.com/software/products/appsrvr/home_appsrvr.xml)
★ WebSphere Application Server by IBM (http://www-306.ibm.com/software/webservers/appserv/was/features)
★ WebObjects Application Server by Apple Computer (http://www.apple.com/webobjects)
'Java Platform, Enterprise Edition' or 'Java EE' is a widely used platform for server programming in the Java programming language. The Java EE Platform differs from the Standard Edition (SE) of Java in that it adds additional libraries which provide functionality to deploy fault-tolerant, distributed, multi-tier Java software, based largely on modular components running on an application server.
Nomenclature, standards and specifications
The platform was known as ''Java 2 Platform, Enterprise Edition'' or ''J2EE'' until the name was changed to ''Java EE'' in version 1.5.
Java EE is defined by its specification. As with other Java Community Process specifications, Java EE is also considered informally to be a standard since providers must agree to certain conformance requirements in order to declare their products as ''Java EE compliant''; albeit with no ISO or ECMA standard.
Java EE includes several API specifications, such as JDBC, RMI, e-mail, JMS, web services, XML, etc, and defines how to coordinate them. Java EE also features some specifications unique to Java EE for components. These include Enterprise JavaBeans, servlets, portlets (following the Java Portlet specification), JavaServer Pages and several web service technologies. This allows developers to create enterprise applications that are portable and scalable, and that integrate with legacy technologies. A J2EE "application server" can handle the transactions, security, arity, scalability, "gender", concurrency and management of the components that are deployed to it, meaning that the developers can concentrate more on the business logic of the components rather than on infrastructure and integration tasks.
History
The original J2EE specification was developed by Sun Microsystems.
The J2EE 1.2 SDK was released in December 1999.
Starting with J2EE 1.3, the specification was developed under the Java Community Process. JSR 58 specifies J2EE 1.3 and JSR 151 specifies the J2EE 1.4 specification.
The J2EE 1.3 SDK was first released by Sun as a beta in April 2001. The J2EE 1.4 SDK beta was released by Sun in December 2002.
The Java EE 5 specification was developed under JSR 244 and the final release was made on May 11, 2006.
The Java EE 6 specification is being developed under JSR 316 and is scheduled for release in 2008.
General APIs
The Java EE APIs includes several technologies that extend the functionality of the base Java SE APIs.
.
★
★
The Enterprise JavaBeans API defines a set of APIs that a distributed object container will support in order to provide persistence, remote procedure calls (using RMI or RMI-IIOP), concurrency control, and access control for distributed objects.
The
javax.naming, , , and packages define the Java Naming and Directory Interface (JNDI) API.,
The
java.sql and javax.sql packages define the Java Database Connectivity (JDBC) API. .
★
★
These packages define the Java Transaction API (JTA).
.
★
★
These packages define the JAXP API. This is used for XML parsing.
.
★
★
These packages define the Java Message Service (JMS) API.
.
★
★
These packages define the JAX-WS API responsible for web services support.
Java EE 5 application server certified
★ Sun Java System Application Server Platform Edition 9.0, developed as the open-source server GlassFish
★ WebLogic Application Server 10.0 from BEA Systems
★ SAP NetWeaver Application Server, Java EE 5 Edition from SAP
★ JEUS 6, an Application Server from TmaxSoft
J2EE 1.4 application server certified
★ JBoss, an open-source application server from JBoss. A beta version of the JEE 5 version is available but this version is not certified [1].
★ Geronimo, an open-source application server from Apache
★ Pramati Server 5.0
★ JOnAS, an open-source application server from ObjectWeb
★ Oracle Application Server 10g
★ Resin, an application server with integrated XML support
★ SAP NetWeaver Application Server, Java EE 5 Edition from SAP
★ Sun Java System Web Server
★ Sun Java System Application Server Platform Edition 8.2
★ IBM WebSphere Application Server (WAS)
J2EE 1.3 application server certified
★ JRun Application Server from Macromedia...
Publications
★ J2EE Developer's Handbook, , Paul J., Perrone, Sam's Publishing, 2003, ISBN 0-672-32348-6
★ The J2EE Tutorial, , Stephanie, Bodoff, Addison-Wesley, 2004, ISBN 0-321-24575-X
★ Solveig Haugland, Mark Cade, Anthony Orapallo: ''J2EE 1.4: The Big Picture'', Prentice Hall, ISBN 0-13-148010-3
★ Alan Monnox: ''Rapid J2EE Development: An Adaptive Foundation for Enterprise Applications'', Prentice Hall, ISBN 0-13-147220-8
★ Renaud Pawlak, Lionel Seinturier, Jean-Philippe Retaillé: ''Foundations of AOP for J2EE Development'', ISBN 1-59059-507-6
★ Christopher Judd, Hakeem Shittu: ''Pro Eclipse JST: Plug-ins for J2EE Development'', ISBN 1-59059-493-2
See also
★ Web container
★ Deployment Descriptor
★ Java BluePrints
★ Sun Java System Portal Server
External links
★ Sun's Official Java EE Tutorial
★ Sun's Java EE Training
★ Sun's Java EE page - official documentation
★
★ Java EE 5 technologies and JSRs
★ Sun's J2EE compatibility page - certified J2EE servers
★ Javalobby.org - popular Java, JSP & J2EE developer forums
★ Jim Farley 1 August 2000. (O'Reilly 2004.)
★ JavaToolbox List of the available development tools and libraries for Java/J2EE
★ Java BluePrints - Sun's best practices for Java 2, Enterprise Edition application development.
★ JavaRSS.com - A Java portal of Java websites rich in Java & J2EE News, Articles, Blogs, Groups, Forums and Tags
★ Enterprise Java Technologies Tech Tips
★ Java EE Tips
★ J2ee tutorials
===Examples of Java EE application servers===
★ BEA WebLogic (http://bea.com/framework.jsp?CNT=index.htm&FP=/content/products/server)
★ Borland Enterprise Server (http://www.borland.com/bes/appserver)
★ Geronimo Application Server by Apache Software Foundation (http://geronimo.apache.org)
★ JBoss Application Server (http://www.jboss.org/products/jbossas)
★ JOnAS by ObjectWeb consortium (Java Open Application Server, http://jonas.objectweb.org)
★ JRun by Macromedia (http://www.macromedia.com/software/jrun/)
★ Oracle Application Server (http://www.oracle.com/appserver)
★ Orion Application Server by IronFlare (http://www.orionserver.com)
★ Pramati Server (http://www.pramati.com)
★ Sun Java System Application Server (http://www.sun.com/software/products/appsrvr/home_appsrvr.xml)
★ WebSphere Application Server by IBM (http://www-306.ibm.com/software/webservers/appserv/was/features)
★ WebObjects Application Server by Apple Computer (http://www.apple.com/webobjects)
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