EJB-advanced-concepts EJB insider Behind the EJB: container for each bean instance will automatically generate a proxy called EJB object, implemented by the container, transparent to the developer EJB context: in the ideal circumstances, should not be used EJB context object in […]
basic-knowledge-of-message-driven-bean What is the message Loose coupling of asynchronous communication processes 1. Message-oriented middleware (MOM): The sender of the message is called the producer; the location where the message is stored is called the destination; the component that accepts the […]
basic-knowledge-of-session-bean What is a session For a limited period of time, the connection between the client and the server Why use session bean Because most of the EJB services are dedicated to the session bean 1. Concurrency and thread […]
basic-knowledge-of-ejb What is EJB Portable, reusable, scalable applications platform Why choose EJB 1. Easy to use, by the EJB container to provide a lot of services, developers only need to focus on the business code 2. Integrated solution suite, provided […]
basic knowledge of javaee standard Introduction to JavaEE JavaEE, Java Platform Enterprise Edition, which provides a standard platform / specification for developing Web applications and enterprise applications. Means that all JavaEE containers / servers that provided by JavaEE server vendor […]