Structural patterns deal with the arrangement and relationship between the classes in the system. They focus on how classes and objects are composed so as to form larger and more complex structures. Obviously, structural patterns need to take into account all those classes that make up the system.
There are seven patterns in this category: adapter, bridge, composite, decorator, façade, flyweight, and proxy. This chapter will discuss the first four, and the next chapter will discuss the remaining three. Specifically, ...
