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Jakarta EE, formerly Java Platform, Enterprise Edition (Java EE) and Java 2 Platform, Enterprise Edition (J2EE), is a set of specifications, extending Java SE [1] with specifications for enterprise features such as distributed computing and web services. [2]
The Java platform is a suite of programs that facilitate developing and running programs written in the Java programming language. A Java platform includes an execution engine (called a virtual machine), a compiler and a set of libraries; there may also be additional servers and alternative libraries that depend on the requirements.
The Java language has undergone several changes since JDK 1.0 as well as numerous additions of classes and packages to the standard library.Since J2SE 1.4, the evolution of the Java language has been governed by the Java Community Process (JCP), which uses Java Specification Requests (JSRs) to propose and specify additions and changes to the Java platform.
The platform was known as Java 2 Platform, Standard Edition or J2SE from version 1.2, until the name was changed to Java Platform, Standard Edition or Java SE in version 1.5. The "SE" is used to distinguish the base platform from the Enterprise Edition and Micro Edition platforms. The "2" was originally intended to emphasize the major changes ...
The Java Development Kit (JDK) is a distribution of Java technology by Oracle Corporation. It implements the Java Language Specification ( JLS ) and the Java Virtual Machine Specification ( JVMS ) and provides the Standard Edition ( SE ) of the Java Application Programming Interface ( API ).
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 Connectors (JCA; formerly known as Java EE Connector Architecture and J2EE Connector Architecture) are a set of Java programming language tools designed for connecting application servers and enterprise information systems (EIS) as a part of enterprise application integration (EAI). While JDBC is specifically used to establish ...
Jakarta Annotations (CA; formerly Common Annotations for the Java Platform or JSR 250) is a part of Jakarta EE.Originally created with the objective to develop Java annotations (that is, information about a software program that is not part of the program itself) for common semantic concepts in the Java SE and Java EE platforms that apply across a variety of individual technologies.