“Although design patterns simply describe solutions to problems,
they tend to emphasize solutions that promote reusability and
flexibility. To achieve this, they manifest some key
object-oriented design principles.“This article will cover
- “Composition: How to use object aggregation to achieve greater
flexibility than you could with inheritance alone- “Decoupling: How to reduce dependency between elements in a
system- “The power of the interface: Patterns and polymorphism…”