OOP

OCP: Open for extension, close for modification(black box)

SRP: Single responsibility Principle(do one thing, and do one thing well).

DIP: Dependency Inversion Principle(depend on abstraction, not on implementation)

ISP: Interface Segregation Principle (narrow interfaces)

Law of Demeter: Don’t talk to “strangers” (shallow dependencies)

 

KISS: Keep It Simple and Stupid

DRY: Don’t Repeat Yourself.

 

 

Package level rules:

 Links:

http://sis36.berkeley.edu/projects/streek/agile/oo-design-principles.html