What is a functional interface? What is sam interface?
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What is the main difference between overloading and overriding?
What is a friend function?
Difference: 'uses', 'extends', 'includes'
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What are all the languages which support oop?
Which keyword can be used for overloading?
Explain persistence?
How do you prevent a class from being inherited by another class?
What is polymorphism? When is it employed? give an example.
Who is an Actor?
How a program can be structured using the concept of object oriented programming?
Why we use oops concepts? What is its advantage?
What is a static method? Why do we need static methods in java 8 interfaces?