Design Patterns

Question 1

What 3 types of Design Patterns are there ?

Answer 1

Creational Patterns
Behavioural Patterns
Structural Patterns

Question 2

What is a creational pattern ?

Answer 2

e.g. Builder Pattern
For creating an object

Question 3

What is a structural pattern ?

Answer 3

using inheritance and composition to provide extra functionality
e.g. flyweight pattern

Question 4

What is a behavioural pattern ?

Answer 4

Communication and assignment of responsibilities between objects
e.g. memento pattern