Design patterns - illyfrancis/scribble GitHub Wiki

Dynamic proxy class in Java

• From oracle
• Lecture slides
  • towards the end it provides one example of using dynamic proxy as a decorator to add logging capability

Visitor, double-dispatch

• http://userpages.umbc.edu/~tarr/dp/lectures/Visitor-2pp.pdf

State, strategy

• http://userpages.umbc.edu/~tarr/dp/lectures/StateStrategy-2pp.pdf
  • good examples of state pattern (SPOP)
  • Null object pattern with strategy (for times when there's nothing to do, or when no strategy is needed instead of doing null check use null object with no-op)