Chapter 4

1. The purposes of creational design patterns are as follows:

   • Separate object creation from the system
   • Support reliance on object creation vice inheritance
   • Encapsulate information regarding which classes are used by a system
   • Protect object creation details
2. Abstract factory, builder, factory method, prototype, simple factory, and singleton
3. Object scope and class scope
4. In Java, abstract classes cannot be instantiated, but they can be inherited
5. Abstract factory design pattern
6. Builder design pattern
7. Factory method design pattern
8. Prototype design pattern
9. Simple factory design pattern
10. Singleton design pattern