Design Pattern

Design Pattern

Benefits:
1. enable large scale reuse of S/W
2. Helps in improve developer communication
3. capture expert knowledge and design trade-offs and make expertise widely available

Drawbacks:
1. Do not lead to direct code reuse
2. Complex in nature
3. they are deceptivrly simple
4. they are validated by experince and discussion

Reference:
[1] http://www.allinterview.com/showanswers/35464.html