What about abstract classes in java?
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Are floats faster than doubles?
how can we import the user defined package without classpath?
what is mutual exclusion? How can you take care of mutual exclusion using java threads? : Java thread
What do you understand by the term singleton?
How GC (Garbage Collector) knows the objects reference is unused.Whether GC removes the unused object Parmanently or it maintains something.
What is module in oop?
What is a flag value?
How do you test a method for an exception using junit?
Explain when noclassdeffounderror will be raised ?
How will you convert an ArrayList to Arrays?
What is the use of System class?
What is the difference between C++ and Java and your preferences?