抽象(Abstrac) 抽象類別(Abstract Class) 假設我有一個類別 他其實只是個抽象的概念,他 […]
一個不務正業,甚麼科技產品都玩的網路宅宅。 If you want to find me,that's easy! I will always on the Internet. so just find me, follow me. I will show you everything fun.
最新回應