What is java 2 platform, standard edition (j2se)?
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Why do we use j2ee?
What is callback methods Component methods called by the container to notify the component of important events in its life cycle?
What is business logic?
What do you understand by connector?
What is frame in java?
What are the four types of J2EE modules?
What are container services?
What is mean by connection pooling?
What is digest authentication?
What is java ee used for?
In DAO we are writting sql queries , how it is possible with creating and closing database connections.
What does the web module contain?