https://dsoreilly.me/https://dsoreilly.me/notes/abstract-factory-pattern/https://dsoreilly.me/notes/adapter-pattern/https://dsoreilly.me/notes/behavioral-pattern/https://dsoreilly.me/notes/builder-pattern/https://dsoreilly.me/notes/creational-pattern/https://dsoreilly.me/notes/decorator-pattern/https://dsoreilly.me/notes/design-pattern/https://dsoreilly.me/notes/facade-pattern/https://dsoreilly.me/notes/factory-method-pattern/https://dsoreilly.me/notes/observer-pattern/https://dsoreilly.me/notes/state-pattern/https://dsoreilly.me/notes/strategy-pattern/https://dsoreilly.me/notes/structural-pattern/