Lesson 0:

• Experience Reuse
• Obeserver Pattern
• Decorator Pattern
• Factory Pattern
• Singleton Pattern
• Command Pattern
• Adapter and Facade Pattern
• Template Method Pattern
• Iterator and Composite Pattern
• State Pattern
• Proxy Pattern
• Compound Pattern
• Design Pattern
• Leftover Pattern

Lesson 1:

• Experience reuse
• Change is the only constant
• Exercise answers
  • Need to improve code for scalabitlity
  • Prototyping for experiments and then building products if the prototype is successful
• Design Principles
  • Identify aspects of app which vary and encapsulate them
  • Program to an interface not an implementation
• Behavious Class
• Interface