An extension method can be added onto a class without ________ the class or inheriting from it.

The ________ inherits fields, properties, and methods from the base class without any of them having to be rewritten.

Which of the following is a class header that indicates a class named Amphibian is being defined and it is derived from the Animal class?

Which of the following statements calls the Jump method of the Animal class using a reference variable named fox?

If you write a class with no constructor, ________.

Assume a class named BankAccount has been created and the following statement correctly creates an instance of the class. var account = new BankAccount(5000.00);What is true about the following statement?MessageBox.Show(“Account info: ” + account);

An initialized int field will automatically be set to the value ________.

A class that is not abstract is sometimes called a(n) ________ class.

Extension methods can not be applied to ________.

If a class has an uninitialized string as a field or property, it will be set to ________ by default.