using System;
namespace tutorialspoint
{
public abstract class Person
{
public abstract string Name
{
get;
set;
}
public abstract int Age
{
get;
set;
}
}
class Student : Person
{
private string code = "N.A";
private string name = "N.A";
private int age = 0;
// 声明类型为 string 的 Code 属性
public string Code
{
get
{
return code;
}
set
{
code = value;
}
}
// 声明类型为 string 的 Name 属性
public override string Name
{
get
{
return name;
}
set
{
name = value;
}
}
// 声明类型为 int 的 Age 属性
public override int Age
{
get
{
return age;
}
set
{
age = value;
}
}
public override string ToString()
{
return "Code = " + Code +", Name = " + Name + ", Age = " + Age;
}
}
class ExampleDemo
{
public static void Main()
{
// 创建一个新的 Student 对象
Student s = new Student();
// 设置 student 的 code、name 和 age
s.Code = "001";
s.Name = "Zara";
s.Age = 9;
Console.WriteLine("Student Info:- {0}", s);
// 增加年龄
s.Age += 1;
Console.WriteLine("Student Info:- {0}", s);
Console.ReadKey();
}
}
}
