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What are the design considerations while making a choice between using interface and abstract class?
1018What is the diffrence between a local-tx-datasource and a xa-datasource? Can you use transactions in both?
982Post New Advanced Java Questions
Should synchronization primitives be used on bean methods?
Where we can write Rmi registry in the code, without having to write it at the command prompt?
Explain the difference between object state and behavior?
What is permgen or permanent generation?
What are JTA/JTS and how they used by client?
Describe, in general, how java's garbage collector works?
What is ioc concept?
What is a policy?
Are we allowed to change the transaction isolation property in middle of a transaction?
Are enterprise beans allowed to use thread.sleep()?
Why is string immutable in java?
For which statements does it make sense to use a label?
How many times may an objects finalize() method be invoked by the garbage collector?
What is the argument type of a programs main() method?
Why use a datasource when you can directly specify a connection details? (in a J2EE application)
