What are inner classes and what is the practical implementation of inner classes?
What is composition? Explain the purpose of composition.
what are the main underlying concepts of object orientation?
Explain colloboration
What are the properties that are defined in an object model?
What is method overriding?
How many methods are there in the serializable interface?
Can you create an instance of an interface?
What is constructor and virtual function? Can we call virtual funciton in a constructor?
What is sealed modifiers?
Explain what is an object?
How can I be thrown polymorphically?
Can a class in java be inherited from more than one class?