Why is string immutable in java?
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In our urls and in the text of the buttons we have comma. Its causing an error. Is there a way to change the delimiting character for the menu arguments?
What is the purpose of the notifyall() method?
In RMI, inorder to sent the stub reference to the client, is we have to load the server object first into the memory or can we directly sent reference to the client?
what is diff between Access modifier and specifier?
Why is actionform a base class rather than an interface?
what are the software's needed to develop advanced java 3 tier application project
What are the steps to write p-to-p model application?
What is the difference between a static and a non-static inner class?
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?
What must a class do to implement an interface?
advantage of thread?
How messaging services are done, before release of JMS?