Introduction - If you have any usage issues, please Google them yourself
.epub design pattern of the book is divided into four parts, the first part from the perspective of the principle for the 3 principles of the object program design; second vivid explanation and analysis of the 21 kinds of common design patterns, and extended, easy to understand, very interesting and closely linked to core mode; third part of all the relevant design patterns are analyzed and compared to the difference between various application scenarios illustrate design patterns and their ideal; the fourth part discusses the design pattern of the mixed, explain how in the actual development of various design pattern of mixed use, to maximize design patterns