What are passing parameters?
Which collections are thread safe in java?
How can you make sure that your singleton class will always return single instance in multi-threaded environment?
How finally used under exception handling?
What is meant by attribute?
What is bytecode in java ?
How do you delete a list in java?
What are the practical benefits, if any, of importing a specific class rather than an entire package (e.g. Import java.net.* Versus import java.net.socket)?
What is string manipulation?
Where and how can you use a private constructor?
What are the two types of exceptions in java? Which are the differences between them?
What is final modifier?
Explain wait(), notify() and notifyall() methods of object class ?
What is class variable java?
What is the new line character?