Question

C#设计这个类people 和它的两个派生类student employee 并进行测试

Answer 1

using System;
using System.Collections.Generic;
using System.Linq;


namespace MyApplication
{
    public class People
    {
        public People(string name, int age)
        {
            Name = name;
            Age = age;
        }

        public string Name { get; set; }
        public int Age { get; set; }

        public virtual void Display()
        {
            Console.WriteLine("我的名字是{0}，今年{1}岁", Name, Age);
        }
    }

    public class Student : People
    {
        public Student(string name, int age, string school)
            : base(name, age)
        {
            School = school;
        }
        public string School { get; set; }

        public override void Display()
        {
            Console.WriteLine("我的名字是{0}，今年{1}岁，正在{2}学校读书", 
                Name, Age, School);
        }
    }

    public class Employee : People
    {
        public Employee(string name, int age, string company)
            : base(name, age)
        {
            Company = company;
        }

        public string Company { get; set; }

        public override void Display()
        {
            Console.WriteLine("我的名字是{0}，今年{1}岁，正在{2}公司上班",
                Name, Age, Company);
        }
    }
    
    // 测试程序
    class Program
    {
        static void Main(string[] args)
        {
            Student s = new Student("李宏", 17, "行知中学");
            Employee e = new Employee("张平", 25, "中兴通讯");

            People p;
            
            p = s;
            p.Display();

            p = e;
            p.Display();
        }
     }
}