1.callback (1)App.cs using System; using System.Collections.Generic; using System.Linq; using System.Runtime.InteropServices; using System.Text; using System.Threading.Tasks; namespace ConsoleApp1 { public class App { //생성자 public App() { Hero hero = new Hero(); Action action = () => { Console.WriteLine("영웅이 이동을 완료했습니다."); }; hero.Move(action); } } } or using System; using System.Collections.Gen..