What are the different approaches to represent an inheritance hierarchy?
What is the difference between system.out ,system.err and system.in?
what are the activation groupworks?
Is 'synchronised' a modifier?
the same information whether it will connect to the database or it will be used previous information?
whats is mean by object and class?
What is the difference between the session.update() method and the session.lock() method?
What is the main functionality of RRL(Remote Reference Layer)?
What method is invoked to cause an object to begin executing as a separate thread?
Are enterprise beans allowed to use thread.sleep()?
What is a clone?
Why do I get a duplicate name error when loading a jar file?
diff between jsp include directive and jsp action include?