What is @functionalinterface?
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What are the types of polymorphism?
What is the difference between a class and an object?
How can we restrict inheritance for a class so that no class can be inherited from it?
What is a static method? Why do we need static methods in java 8 interfaces?
If a class inherits an interface, what are the 2 options available for that class?
What is an abstraction?
What if we override the conflicting method in the class?
What are the good practices to use while designing for reuse?
Write basic concepts of oops?
Comment: C++ "includes" behavior and java "imports"
What is a friend function?
What are inner classes and what is the practical implementation of inner classes?