using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    class ItemDatabase
    {
        public Dictionary<string, BaseItem> itemDB = new Dictionary<string, BaseItem>();
        // 무기 / 방어구

        public ItemDatabase()
        {
            BaseItem weapon = new BaseItem();
            weapon.itemName = "무기";
            weapon.type = 1;
            weapon.power = 5;
            weapon.price = 1000;

            BaseItem shield = new BaseItem();
            shield.itemName = "방패";
            shield.type = 2;
            shield.power = 4;
            shield.price = 2000;

            itemDB.Add(weapon.itemName, weapon);
            itemDB.Add(shield.itemName, shield);
        }

        public BaseItem GetItem(string name)
        {
            if(itemDB.ContainsKey(name))
            {
                return itemDB[name];
            }
            else
            {
                return null;
            }
        }
       
     
        
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    internal class BaseItem
    {
        public int index;
        public string itemName;
        public int type;
        public int power;
        public int price;
    }
}

• Program Main

namespace ConsoleApp2
{
    internal class Program
    {

        static void Main(string[] args)
        {
            ItemDatabase itemDB = new ItemDatabase();

            BaseItem a =  itemDB.GetItem("무기");
            BaseItem b = itemDB.GetItem("방패");

            Console.WriteLine("!!");
            Console.WriteLine("Hello, World!");
            Console.WriteLine("Stop!!");

        }
    }
}