2020-04-14 [Class 선언 및 인스턴스, 변수선언/리턴의 이해]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_009
{
    class APP
    {
        public APP()
        {
            SCV scv = new SCV();
 
            Barracks brracks = scv.BuildBarracks();
 
            scv.BuildAcademy();
 
            Bunker bunker = scv.BuildBunker();
 
            Marine marine= brracks.CreateMarine();
 
            bunker.EnterBunker(marine);
            bunker.ExitBunker(marine);
 
        }
    }
}
 
===========================================================================
    class Barracks
    {
        public Barracks()
        {
            Console.WriteLine("배럭을 생성했습니다.");
        }
 
        public Marine CreateMarine()
        {
            return new Marine();
        }
    }
}
===========================================================================
    class Academy
    {
        public Academy()
        {
            Console.WriteLine("아카데미 생성됨");
        }
    }
}
===========================================================================
 
    class Bunker
    {
        public Bunker()
        {
            Console.WriteLine("벙커 생성");
           
        }
        
        public void EnterBunker(Marine marine)
        {
            Console.WriteLine("마린이 벙커에 들어왔습니다.");
            marine.HideDisplay();
        }
 
        public void ExitBunker(Marine marine)
        {
            Console.WriteLine("마린이 벙커에서 나갔습니다.");
            marine.ShowDisplay();
        }
    }
}
 
 
===========================================================================
    class Marine
    {
        public Marine()
        {
            Console.WriteLine("마린생성");
        }
 
        public void ShowDisplay()
        {
            Console.WriteLine("마린이 보입니다");
        }
 
        public void HideDisplay()
        {
            Console.WriteLine("마린이 안보입니당");
        }
    }
}
===========================================================================
 
    class SCV
    {
        public SCV()
        {
           Console.WriteLine("SCV가 생성됨");
        }
 
        public Barracks BuildBarracks()
        {
            return new Barracks();
       
        }
        
        public void BuildAcademy()
        {
            new Academy();
        }
 
        public Bunker BuildBunker()
        {
           return new Bunker();
        }
    }