OOP Base Class Quiz Online Practice Test

1. Choose the best definition of a base class:

2. A base class is also referred to as a __________ class.

3. A __________ class is always abstract.

4. What is the maximum number of base classes a single class can inherit in Java?

5. How can a derived class be transformed into a base class?

6. What type of inheritance involves a base class being derived by two other classes?

7. Which of the following is essential in a base class?

8. Which type of members are restricted from access in derived classes from a base class?

9. A base class typically exhibits ________ level of abstraction.

10. Base class constructors are invariably invoked ___________ the constructor of the derived class.

11. Is it possible to invoke base class methods from within the constructor of a derived class?

12. When a class inherits from another base class, which is then further inherited by another class, what type of inheritance is demonstrated?

13. In C++, what is the maximum number of base classes that a single derived class can have?