Explain about abstraction?
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What is multiple inheritance? How java 8 supports multiple inheritance?
Explain about a class in oop?
What is the diffrence between an abstract class and interface?
What is a friend function?
Can I implement polymorphism using abstract class?
How many methods are there in the externalizable interface?
How to achieve data abstraction?
What is data encapsulation and what is its significance?
Explain about parametric polymorphism?
Is is possible to define our own functional interface?
What are the types of polymorphism?
Write down how will you create a Binary tree?