Explain about object oriented programming?
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What do you mean by "explicitly implemeting an interface". Give an example?
Can a class implement two interfaces having default method with same name and signature?
Explain serialization and overriding?
Write about abstract base classes?
What is the benefit of using inheritance?
What is the default access modifier in a class?
Explain what is an object?
Why is OOP good?
What are the different types of inheritance?
What are the rules to define a functional interface?
Can we override static methods? Why?
In winform my controls [taskbar and progressbar] become inactive when heavy processing is going in background, how to avoid this via multithreading