namespace Lesson15_继承_万物之父和装箱拆箱练习
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello, World!");
            //用代码演示拆箱装箱

            //装箱
            int i = 10;
            object o1 = i;

            //拆箱
            object o2 = o1;
            int i2 = (int)o2;
        }
    }
}