using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Sample { public class Sample009A { public Sample009A() { } public string GetText() { return "これはSample009Aクラスです。"; } } public class Sample009B { public Sample009B() { } public string GetText() { return "これはSample009Bクラスです。"; } } }