1-) NOTLAR - Tasarım Desenleri Design Patterns

kaynak incele : https://github.com/yusufyilmazfr/tasarim-desenleri-turkce-kaynak

kaynak incele : https://tugrulbayrak.medium.com/design-patterns-tasarim-kaliplari-3da2018eb9c5

kaynak incele : https://medium.com/gokhanyavas/tasar%C4%B1m-desenleri-gof-design-patterns-16e93e54a92d