Enterprise JavaBeans (EJB)

Enterprise JavaBeans (EJB) is a server-side component architecture for the Java EE (now Jakarta EE) platform, designed to simplify the development of distributed, transactional, and secure enterprise applications. It provides a standardized way to implement the business logic of an application…

Key facts

First appeared: 1998
Category: technology
Problem solved: EJB was created to address the immense complexity of building robust, scalable, and transactional distributed applications in Java. It aimed to abstract away common infrastructure concerns like transaction management, security, concurrency, remote access, and persistence, allowing developers to focus solely on business logic.
Platforms: Java Virtual Machine (JVM), Java EE (Jakarta EE) Application Servers

Related technologies

CDI (Contexts and Dependency Injection)
RMI (Remote Method Invocation)
JTA (Java Transaction API)
JSF (JavaServer Faces)
Java EE (Jakarta EE)
Application Servers (e.g., JBoss/WildFly, WebSphere, WebLogic)
JMS (Java Message Service)
JPA (Java Persistence API)

Notable users

Government agencies
Telecommunications companies
Large enterprises with legacy Java EE systems
Financial institutions