Explain the usage of encapsulation?
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Suppose a class acts an Actor in the problem domain, how to represent it in the static model?
What is meant by “abstract interface”?
What is the function of messaging metaphor?
What does the “abstract” keyword mean in front of a method? A class?
What are abstract methods?
What do you mean by virtual function and virtual classes?
Why do we use oops concepts? What is its advantage?
Write a note about inheritance?
What is a default method? Why do we need default methods in java 8 interfaces?
What are inner classes and what is the practical implementation of inner classes?
What is meant by function overloading and function overriding?
Why do we separate interface from implementation?