Why would you create an abstract class, if it can have no real instances?

When does static binding happen?

What is the best reason to use a design pattern?

What is encapsulation?

What is an IS-A relationship?

Ou want a method with behavior similar to a virtual method--it is meant to be overridden --expect that it does not have a method body. It just has a method signature. What kind of method should you use?

Which of the following is NOT an advantage of using getters and setters?

Which statement is true?

Which type of inheritance ,when done continuously, is similar to a tree structure?

Which statement best describes the method of inheritance in OOP?

Why would you implement composition using an id instead of a reference?