Repository with examples of popular design patterns, updated in paralel with reading Head First: Design Patterns book.
Each pattern described (in Polish language) at my website:
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-strategy/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-observer/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-decorator/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-abstract-factory-factory-method/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-adapter/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-facade/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-template-method/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-iterator/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-composite/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-state/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-proxy/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-builder/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-chain-of-responsibility/
https://wwsj.xyu.pl/wwsj/uncategorized/wzorce-projektowe-mvc/