Static and Nested Classes in C# Quiz

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Questions and Answers

Which of the following can be declared as static in C#?

  • Inheritance
  • Interfaces
  • Polymorphism
  • Variables (correct)

How many copies of a static member exist in a class, regardless of the number of objects created?

  • One (correct)
  • Depends on the number of objects created
  • Three
  • Two

What does a static class in C# contain?

  • Static data members, static methods, and a static constructor (correct)
  • Only static methods
  • Instance data members and instance methods
  • Only static data members

Are static classes in C# allowed to be instantiated?

<p>No, static classes cannot be instantiated (A)</p> Signup and view all the answers

Which of the following is NOT allowed in a static class in C#?

<p>Instance methods (D)</p> Signup and view all the answers

What does 'static' mean in C#?

<p>Something which cannot be instantiated (A)</p> Signup and view all the answers

What is the meaning of 'static' when applied to a class in C#?

<p>Cannot be instantiated (C)</p> Signup and view all the answers

Which of the following is NOT applicable for the 'static' modifier in C#?

<p>Interfaces (C)</p> Signup and view all the answers

How many copies of a static member exist in a class in C#?

<p>One, regardless of the number of objects created (A)</p> Signup and view all the answers

What does a static class in C# not allow?

<p>Creating objects of the class (A)</p> Signup and view all the answers

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