SOLID principles of software development

Recalling its previous panga Yu teacher to the principle of open software again.

SOLID：

Single responsibility principle S

Open Closed Principle O

Richter substitution principle L

Interface Segregation Principle I

Dependency Inversion Principle D

 

All programming is maintenance program, because you rarely write original code. Only you typed in the first 10 minutes of the code is original, nothing more.

 Dave Tomas 和 Andy Hunt