/// <summary>
/// 接口多态实现1：接口作为传递参数类型，实际上传递的是接口的实现类对象
/// </summary>
/// <param name="meeting"></param>
private static void Test02(IMeeting meeting)
{
meeting.Speech();
Console.WriteLine(meeting.Talk("组织考试"));
}
/// <summary>
/// 接口多态实现1：接口作为传递参数类型，实际上传递的是接口的实现类对象
/// </summary>
/// <param name="meeting"></param>
private static void Test02(IMeeting meeting)
{
meeting.Speech();
Console.WriteLine(meeting.Talk("组织考试"));
}