Can you create an instance of an abstract class?
Explain persistence?
What is the main advantage of using inheritance?
Can a class in java be inherited from more than one class?
What is a subclass?
What is the need of multiple inheritance?
What is difference between class and interface?
What are the tools you used for OOAD?
What is composition? Explain the purpose of composition.
What is the main difference between a class and an object?
Can a class implement two interfaces having default method with same name and signature?
What is the benefit of Composition over Inheritance?
What is the abstract method modifier?