Summary

After reading this chapter, the reader should now have a good idea about GOF Design Patterns and their best practices. I highlighted the problems that come if you don't implement design patterns in your enterprise application and how Spring solves these problems by using lots of design patterns and good practices to create an application. In the preceding chapter too, I have mentioned the three main categories of GOF Design Patterns such as Creational Design Pattern; it is useful for creation of object instances and also to apply some constraints at the creation time of the enterprise application by specific manner by Factory, Abstract Factory, Builder, Prototype and Singleton pattern. The second main category is the Structural design pattern, it is used for design structure of the enterprise application by dealing with the composition of classes or objects so that...