What are the types of casting?
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What is java virtual machine? Explain
Why is singleton class used?
Difference between local and global transaction ?
What is treeset in java?
What does bitwise or mean?
Which collection does not allow duplicates in java?
I have a class which is abstract which contains only the abstract methods. This is similar to an interface. Then, if i have given a choice to choose one of them. Which one i have to choose and why?
transaction attributes ?
How to add panel to a Frame?
How does a for loop work?
What classes of exceptions, caught by a catch clause?
Can we sort a map in java?