디자인패턴/싱글톤패턴/DataManager, 개체 이니셜라이저

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

namespace FakeInventory
{
    public class DataManager
    {
        public static DataManager instance = new DataManager();
        //생성자
        private DataManager()
        {

        }
    }
}