Why is class hierarchies managed in object-oriented programming?
What is Polymorphism, overloading, overriding and virtual?
What are the rules to define a functional interface?
What are the features of encapsulation ?
Explain about the relationship between object oriented programming and databases?
What is meant by overloading functions and operators?
Why is java not fully objective oriented?
Write a program to show the inheritance used in a class.
What is a static method? Why do we need static methods in java 8 interfaces?
Can you use virtual, override or abstract keywords on an accessor of a static property?
Can you create an instance of an abstract class?
How do we implement serialization actually?
What is garbage collection(gc)?