What is re-entrant. Is session beans reentrant. Is entity beans reentrant?
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When is the best time to validate input?
What is the applet sandbox?
Can I import same package/class twice? Will the jvm load the package twice at runtime?
What is the difference between session and entity beans?
1) Scenario: I developed my application on local system and everything is perfect and tested. Now on UAT this application is deployed on clustered server environment. They are logical or physically clustered. But application is not working over there.  What is the issue with application?  What are the first things which come in your mind?
Why doesn’t the focus feature on the tag work in every circumstance?
Why threads will block on I/O?
Tell me about Firewalls in RMI?
What classes of exceptions may be caught by a catch clause?
What is ripple effect?
what are getters and setters in Java with examples?
In real time project when will we use Abstract class. and what are the difference between abstract and interface.
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