What are the thread-to-thread communcation?
What are callback interfaces?
what is activation monitor and what is its job?
what are memory considerations of jsp compares to other web components?
Urgent Openings for Java and .NET ( India, Singapore, Australia, Japan)
Can I import same package/class twice? Will the jvm load the package twice at runtime?
Write a program on RMI and JDBC using StoredProcedure?
What is table mutation and how do you avoid it?
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?
difference between HashMap, Hashset and hashTable?
What is Bootstrapping in RMI?
how i secure my site with the https protocol.what are the steps?
what is singleton class? where it mainly used in the projects?