Sun Certified Enterprise Architect for J2EE™ Technology Study Guide

Essential Points

The following summarizes the most important points described in this chapter:

• Creational patterns allow objects to be created in a system without having to identify a specific class type in the code, so you do not have to write large, complex code to instantiate an object.

• The Abstract Factory pattern provides an interface for creating families of related or dependent objects without specifying their concrete classes.

• The Builder pattern separates the construction of a complex object from its represenation so the same construction process can create different objects.

• The Factory Method pattern defines an interface for creating an object, but lets the subclasses decide which class to instantiate.

• The Prototype pattern allows an object ...