Category:ASP.NET Core快速入门系列
Article From:https://www.cnblogs.com/dotnetHui/p/9060488.html

UMLSoftware modeling

  1. What is dependence? A simple understanding is that a class A uses class B, but this usage relationship is casual, temporary and very weak. The change of class B will affect class A.
  2. Display dependency and implicit dependency
  3. Rely on inversion: we must rely on high-level business, and do not rely on concrete implementation of low level business, and rely on concrete abstraction.

 

Leave a Reply

Your email address will not be published. Required fields are marked *