Difference Between Java Bean And Ejb
Java Bean vs EJB: Understanding the Key Differences
Difference Between Java Bean And Ejb
A JavaBean is a reusable software component that follows specific conventions for properties, methods, and events to encourage interoperability and function within a lightweight development framework. It is a simple, reusable Java class that does not require the use of a framework or application server. On the other hand, Enterprise JavaBeans (EJB) is a server-side component model for building distributed applications. EJBs provide services such as transaction management, security, and persistence, and are typically deployed in an enterprise application server environment. EJBs are more complex and provide additional features compared to JavaBeans, making them more suitable for enterprise-level applications that require scalability and robustness.
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1 - Java Bean:
A Java Bean is a class that encapsulates many objects into a single object (the bean) and provides easy access to these objects using getter and setter methods.
2) EJB (Enterprise JavaBean):
EJB is a server side component that encapsulates the business logic of an application. It provides services such as security, transaction management, scalability, and persistence.
3) Java Bean:
Java Beans are lightweight components that are typically used in client side applications for managing the user interface and data.
4) EJB:
EJBs are scalable and robust components that are used in enterprise applications where distributed computing and transaction management are required.
5) Java Bean:
Java Beans are usually simple POJOs (Plain Old Java Objects) without any strict requirements for implementing interfaces or extending classes.
6) EJB:
EJBs must adhere to the EJB specification and implement specific interfaces based on the type of EJB (Session bean, Entity bean, Message driven bean).
7) Java Bean:
Java Beans are typically used for structuring data and logic within a single application.
8) EJB:
EJBs are designed to be distributed components that can be deployed across multiple servers in a networked environment.
9) Java Bean:
Java Beans do not offer services like transactions, security, and lifecycle management out of the box.
10) EJB:
EJBs provide built in services such as declarative transaction management, security, and lifecycle management through the container in which they are deployed.
Considering the differences between Java Beans and EJBs, your training program for students can cover topics such as basic Java Bean development for client side applications and advanced EJB development for enterprise applications. The program can include hands on exercises, case studies, and best practices for utilizing both Java Beans and EJBs in various software development projects.
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