What is mean by collections in java?
Difference between stack and queue?
Do we have pointers in java?
what is business delegate?
What is Classloader in Java?
Is void a type?
How is abstraction implemented 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?
What is the difference between set and list?
what is finalmethod & final variable with example?
Convert a BST into a DLL and DLL to BST in place.
What is the private method modifier?
What is variable argument in java?