class Program
{
static void Main(string[] args)
{
Teacher teacher = new Teacher();
Doshouzuoye(teacher);
Student stu = new Student();
Doshouzuoye(stu);//参数看实例化的类型
Console.ReadKey();
}
private static void Doshouzuoye(IShouzuoye person)
{
person.shouzuoye();//调用子类的方法 看实例化的参数类型 student 或 teacher
}
}
interface IShouzuoye
{
void shouzuoye();//接口 抽象前面不用加修饰符,默认public 加了也无效
}
class Student:IShouzuoye
{
public void shouzuoye()
{
// throw new NotImplementedException();
Console.WriteLine("报告老师，收集完毕！");
}
}
class Teacher:IShouzuoye
{
public void shouzuoye()
{
//throw new NotImplementedException();
Console.WriteLine("交作业了！");
}
}
