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The web module is contained in a hierarchy of directories and files in a standard web application format. POJO Java classes may be deployed in .jar files. An Enterprise Java Bean module has a .jar extension, and contains in its own META-INF directory descriptors describing the persistent classes deployed. Deployed entity beans become visible to ...
A Jakarta EE application (formerly also called Java EE or J2EE application) is any deployable unit of Jakarta EE functionality. This can be a single Jakarta EE module or a group of modules packaged into an EAR file along with a Jakarta EE application deployment descriptor. Jakarta EE applications are typically engineered to be distributed ...
Jakarta Enterprise Beans 3.2, as a part of Jakarta EE 8, and despite still using "EJB" abbreviation, this set of APIs has been officially renamed to "Jakarta Enterprise Beans" by the Eclipse Foundation so as not to tread on the Oracle "Java" trademark. EJB 3.2, final release (2013-05-28) JSR 345. Enterprise JavaBeans 3.2 was a relatively minor ...
An "Entity Bean" is a type of Enterprise JavaBean, a server-side Java EE component, that represents persistent data maintained in a database. An entity bean can manage its own persistence (Bean managed persistence) or can delegate this function to its EJB Container (Container managed persistence). An entity bean is identified by a primary key.
The platform was known as Java 2 Platform, Enterprise Edition or J2EE from version 1.2, until the name was changed to Java Platform, Enterprise Edition or Java EE in version 1.5. Java EE was maintained by Oracle under the Java Community Process. On September 12, 2017, Oracle Corporation announced that it would submit Java EE to the Eclipse ...
There have been three Java BluePrints books, and the Core Java EE design patterns which are hosted on the Java BluePrints site have become the standard lingua for Java EE application development. [2] Java BluePrints was the first source to promote Model View Controller (MVC) and Data Access Object (DAO) for Java EE application development.
In computing based on the Java Platform, JavaBeans is a technology developed by Sun Microsystems and released in 1996, as part of JDK 1.1.. The 'beans' of JavaBeans are classes that encapsulate one or more objects into a single standardized object (the bean).
Java EE 6 provides that a managed bean is a bean that is implemented by a Java class, which is called its bean class. A top-level Java class is a managed bean if it is defined to be a managed bean by any other Java EE technology specification (for example, the JavaServer Faces technology specification), or if it meets all of the following ...