EJB perguntas e respostas de entrevista
Question: What is the difference between session and entity beans?Answer: An entity bean represents persistent global data from the database; a session bean represents transient user-specific data that will die when the user disconnects (ends his session). Generally, the session beans implement business methods (e.g. Bank.transferFunds) that call entity beans (e.g. Account.deposit, Account.withdraw) |
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