What are the rules to define a functional interface?


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More OOAD Interview Questions

Explain method overriding.

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What is the difference between a class and an object?

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why do requirements change so much? after all, don't people know what they want?

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What do you mean by "explicitly implemeting an interface". Give an example?

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Does PowerShell support OOPs?

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What if we make the method as abstract in another interface?

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What is super keyword?

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What is the difference between a virtual method and an abstract method?

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Which OOPS concept is used as a reuse mechanism?

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Can you instantiate an abstract class and what is an inner class?

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Can you define OOP and principles of OOP?

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