namespace ConsoleApplication
{
    public class Person  //基类、等同于public class Person：Object
    {
        public string name;
        public uint age;
        public Person(string name,uint age)//基类的构造函数
        {
            this.name = name; //this 关键字引用类的当前实例
            this.age = age; //this 关键字引用类的当前实例
        }
        public virtual void GetInfo()
        {
            Console.WriteLine("Name: {0}",name);
            Console.WriteLine("Age:{0}",age);
        }
    }
    public class Student:Person//派生类
    {
        public string studentId;
        //派生类构造函数并用:base调用基类构造函数
        public Student(string name,uint age,string studentId):base(name,age)
        {
            this.studentId = studentId;
        }
        public override void GetInfo()
        {
            //调用基类方法
            base.GetInfo();
            Console.WriteLine("StudentId: {0}",studentId);
        }
    }
 
   public class Program
    {
        static void Main(string[] args)
        {
            Student objstudent=new Student("jeamsluu",99,"20140101011");
            objstudent.GetInfo();
            Console.ReadKey();
        }
    }
}