What is data and its types?
why an outer class cannot be declared as private?
Can we declare a class as static?
What is boolean strategy?
What is a vector in java?
What is object-oriented paradigm?
Can we instantiate Interfaces?
Is it necessary that each try block must be followed by a catch block?
Why super is first line in java?
I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?
How to sort numbers in java without array?
What are static initalizers in java ?
What is the reflection?