What is the importance of finally block in exception handling?
When is the garbage collection used in Java?
What is re-factoring in software?
how many ways we can serialize the java object?
What do you understand by garbage collection in Java? Can it be forced to run?
What are the principle concepts of oops?
What is connection class in java?
Which Component subclass is used for drawing and painting?
what is the difference between preemptive scheduling and time slicing? : Java thread
What is the basic of java?
Describe method overriding
Is ruby built on java?
What advantage does an entity bean have over a sessin bean?