What is static

What is recursion

What are methods?

What are the rules we have to follow in overloading

What is an abstract method

What is the difference between an abstract class and an interface

What is the difference between an argument and a parameter?

What is the difference between overloading and overriding?

Immutable objects are automatically thread-safe

What is method overloading and method overriding

Does Java provide any construct to find out the size of an object