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using System; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { } } /* FactoryMethod インスタンス生成をサブクラスで行う。 */ public abstract class Product { } public class ConcreateProduct: Product { } public abstract class Factory { public abstract Product FactoryMethod(); } public class ConcreateFactory : Factory { public override Product FactoryMethod() { return new ConcreateProduct(); } } } |