Creational Patterns

• Creational patterns employ an abstract instantiation process. They make system independent of how objects are created, composed, represented.

• This is important as systems evolve to depend more on object composition than class inheritance. Instead of hardcoding a set of behaviors, creational patterns allow you to define small sets of fundamental behaviors that can be composed into any number of more complex ones.
  

• Two themes of creational patterns:
• Encapsulate knowledge about which concrete classes the system uses.
• Hide how instances of these classes are put together.

• Some creational patterns include:
• Abstract factory
• Factory method
• Prototype