Interview Question: What is re-entrant. Is session beans reentrant. Is entity beans reentrant?

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Question:What is re-entrant. Is session beans reentrant. Is entity beans reentrant?

Answer:

If we define the entity bean as being reentrant, multiple clients can connect to the Entity bean & execute methods within the entity bean concurrently. Container takes care of synchronization. If we define the entity bean as non-reentrant and many clients connect to it concurrently to execute a method, exception is thrown .

 

 

 

 


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