Test your knowledge and understanding by answering some questions. Get some hands-on practice and explore with deeper research into this chapter's topics.
Answer the following questions:
What is a delegate?
What is an event?
How are a base class and a derived class related?
What is the difference between
is
andas
?Which keyword is used to prevent a class from being derived from or a method from being overridden?
Which keyword is used to prevent a class from being instantiated with the
new
keyword?Which keyword is used to allow a member to be overridden?
What's the difference between a destructor and a deconstructor?
What are the signatures of the constructors that all exceptions should have?
What is an extension method and how do you define one?