EJB - Business Component Development
EJB (Enterprise JavaBeans) is a Java EE technology for building scalable, distributed, and secure business components. It simplifies development by handling system-level concerns like transactions, security, and concurrency. EJBs enable reusable, modular business logic that can run on application servers.
Key Features of EJB - Business Component Development
- Supports declarative transaction management
- Built-in security and role-based access control
- Automatic lifecycle and state management
- Concurrency control for multi-threading
- Remote and local method invocation
- Integration with Java EE services (JPA, JMS, etc.)
- Supports session, entity, and message-driven beans
Before learning EJB, you should have a solid understanding of Java SE fundamentals and object-oriented programming concepts. Familiarity with Java EE technologies like Servlets, JSP, and JDBC is important. Basic knowledge of web servers and application servers will also help in deploying EJB applications.
Skills Needed Before learning EJB - Business Component Development
- Strong knowledge of Java SE and object-oriented programming
- Familiarity with Java EE technologies like Servlets, JSP, and JDBC
- Basic understanding of web servers and application servers
- EJB and Architecture
- Session Beans (Stateless & Stateful)
- Entity Beans and Persistence
- Message-Driven Beans
- EJB Lifecycle and Callbacks
- Transaction Management
- Security in EJB
- Interceptors and Dependency Injection
- Packaging and Deployment
- Building Sample EJB Applications
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