Design Patterns

Question 1

What is Design Patterns?

Answer 1

Way of re-using abstract knowledge about a design problem and its solution.
Or generic, re-usable design templates.

Question 2

What are some Pattern Elements?

Answer 2

Name
Description
Problem description 
Solution description
Consequences

Question 3

Important Design patterns

Answer 3

Observer Pattern
Mediator Pattern
The Facade Pattern
The Proxy Pattern
The Adapter Pattern
Composite Pattern

Question 4

Types of Design Patterns

Answer 4

Creational
Structural
Behavioral