What is the order of call of constructors in inheritiance?
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Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?
Can you use virtual, override or abstract keywords on an accessor of a static property?
What is difference between static and non-static fields of a class?
Differences between functional programming and object-oriented programming?
What does the “abstract” keyword mean in front of a method? A class?
Explain about uml?
Can we override static methods of a class?
Why do we use oops concepts? What is its advantage?
What is single and multiple inheritance?
what are the main underlying concepts of object orientation?
Can an interface inherit from another interface?
Can we reduce the visibility of the inherited or overridden method ?