Expression Language (also referred to as the EL) provides an important mechanism for enabling the presentation layer (web pages) to communicate with the application logic (managed beans).
Jakarta Concurrency provides a specification document, API and TCK for using concurrency from application components without compromising container integrity while still preserving the Jakarta EE p
Java Transaction API (JTA) specifies standard Java interfaces between a transaction manager and the parties involved in a distributed transaction system: the resource manager, the application serve
The Java EE security provides a set of required security functionalities including authentication, authorization, data integrity, and transport security.
Java API for WebSocket (JSR-356), specifies the API that Java developers can use when they want to integrate WebSockets into their applications - both on the server side as well as on the Java client side.
Jakarta RESTful Web Services provides a specification document, TCK and foundational API to develop web services following the Representational State Transfer (REST) architectural
