What is the use of interface?
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Suppose a class acts an Actor in the problem domain, how to represent it in the static model?
Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?
Why abstraction is important?
Is it possible to override private virtual methods?
What is difference between static and non-static fields of a class?
Explain what an object is.
Can we override a method by using same method name and arguments but different return types?
Can we have default method with same name and signature in the derived interface as the static method in base interface and vice versa?
What is Object Constraint Language (OCL)?
What is the benefit of using inheritance?
Does a concept HAVE to become a class in Design?
How do I make sure that an object is released in code such as a connection or file object?