Question: 1. What is an object?
2. What does the term encapsulated mean?
3. Instance variables can be public, private, or protected. Explain.
4. What is the difference between class and type?
5. Define the concept object ID. What are the advantages of OlDs? What are the disadvantages?
6. How might OlDs be implemented?
7. What is a class-defining object?
8. Grady Booch. Object Oriented Design, with Applications. Redwood City, Calif.: Benjamin/ Cummings (1991).