What is a treeset in java?
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Explain the difference between throw and throws in java?
extending thread class or implementing runnable interface. Which is better? : Java thread
What is the best way to findout the time/memory consuming process?
State the difference between strings and arrays.
What is the difference between member variables initialization and assignment in a constructor?
How to check if linked list contains loop in java?
Can a lock be acquired on a class?
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?
Does java have a compiler?
Why arraylist is not synchronized in java example?
Is it possible to compare various strings with the help of == operator?
Why does abstract class have constructor?