람다식 연습 2번(Action)

using System;
using System.Collections.Generic;


namespace Helloworld
{
    class App
    {

        //생성자 
        public App()
        {
            this.LoadDatas(() => {
                Console.WriteLine("loaded all datas...!!!");
            });
        }

        private void LoadDatas(Action callback)
        {
            callback();
        }
    }
}