EJB 面试题与答案
Question: What are the services provided by container?Answer: Container services are totally depends upon the “vendor implementation”. But more or less most of the vendors suppots the basic services like,LifeCycle Management - It is Automatic. Session Management - it is used by Developer coded callback methods. Transaction Management - it is used by configuring deployment descriptor (DD) . Security management - it is used by configuring deployment descriptor (DD) . The other services, if any will be in advanced versions, and depends on Vendor specific. |
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