(Official Java development engineer QQ group (27163376), please enter your ID for verification. It is prepared for people who have just graduated and have no experience. With it, the basic written exam can be completed. 1:EJB: Answer:? EnterpriseJavaBean is equivalent to DCOM, that is, distributed components. It is based on Java's Remote Method Invocation (RMI) technology, so EJBs can be accessed remotely (cross-process, cross-computer). But EJB must be deployed in containers such as Webspere and WebLogic. EJB clients never access real EJB components directly, but through their containers. EJB container is the generation/l of EJB components, EJB components are created and managed by the container. Clients access real EJB components through the container. Answer: Enterprisejavabean container. more industry-specific. He provides various management functions of the component EJB running in between. As long as the EJB that meets the J2EE specification is put into the container, it will be managed efficiently by the container immediately. Moreover, system-level services can be obtained through ready-made interfaces. Such as mail service, business management. ......
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