class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("---------------------第一題-----------------------------");
            //  1、自己定義抽象類Animal， 抽象出幾個抽象方法，
            //再定義一個DOG類，去繼承抽象類Animal，
            //需要重寫抽象類中的抽象方法，寫出測試案例； 

            Animal ani = new Dog();
            ani.Eat();

            Dog dog = new Dog();
            dog.Eat();

            Console.WriteLine("---------------------第二題-----------------------------");
            // 2、創建一個Vehicle類并將它聲明為抽象類。
            //在Vehicle類中聲明一個NoOfWheels方法，使它返回一個字符串值。
            //創建兩個類Car和Motorbike從Vehicle類繼承，并在這兩個類中實現NoOfWheels方法。
            //在Car類中，應當顯示“四輪車”信息；
            //而在Motorbike類中，應當顯示“雙輪車”信息。
            //創建另一個帶Main方法的類，在該類中創建Car和Motorbike的實例，并在控制臺中顯示消息
            Car car = new Car();
            MotoBike moto = new MotoBike();
            Console.WriteLine("---------------------第三題-----------------------------");
            //3、某學校對教師每月工資的計算公式如下：固定工資 + 課時補貼。
            //專家級講師的的固定工資為25000元,每個課時補貼60元；
            //高級講師的固定工資為18000元,每個課時補貼50元; 
            //普通講師的固定工資為12000元,每個課時補貼40元。
            //定義教師抽象類,派生不同職稱的教師類,編寫程序求若干教師的月工資
            Teacher zj = new ZhuangjiaTeacher(10);//參數為總課時補貼
            Teacher gj = new GaojiTeacher(9);
            Teacher pt = new PutongTeacher(8);
            Console.ReadKey();

        }
    }

 abstract  class Animal
    {
        public abstract void Eat();

        public abstract void Drink();

        public abstract void La();

        public abstract void Sa();
    }

  class Car:Vehicle
    {
        public Car()
        {


            Console.WriteLine("Car 是:{0}", this.NoOfWheels());
        }
        public override string NoOfWheels()
        {
            this.Str = "四輪車";
            return Str;
        }
    }

 class Dog:Animal
    {
        public override void Drink()
        {
            Console.WriteLine("吃!");
        }

        public override void Eat()
        {
            Console.WriteLine("喝!");
        }

        public override void La()
        {
            Console.WriteLine("辣!");
        }

        public override void Sa()
        {
            Console.WriteLine("撒!");
        }
    }

class GaojiTeacher:Teacher
    {
        public GaojiTeacher(int i)
        {
            this.Gongzi = 18000;
            this.Butie = 50 * i;
            this.Salary();

        }


        public override void Salary()
        {
            Console.WriteLine("高級講師的固定工資是:{0} 課時補貼是:{1} 總工資是:{2}", this.Gongzi, this.Butie, this.Gongzi + this.Butie);
        }
    }

 class MotoBike:Vehicle
    {
          public MotoBike() {
          
            Console.WriteLine("MotorBike 是:{0}",this.NoOfWheels());
        }
        public override string NoOfWheels()
        {
            this.Str = "兩輪車";
            return Str;
        }
    }

  class PutongTeacher:Teacher
    {
        public PutongTeacher(int i)
        {
            this.Gongzi = 12000;
            this.Butie = 40 * i;
            this.Salary();

        }
        public override void Salary()
        {
            Console.WriteLine("普通講師的固定工資是:{0} 課時補貼是:{1} 總工資是:{2}", this.Gongzi, this.Butie, this.Gongzi + this.Butie);
        }
    }

abstract class Teacher
    {
        private int gongzi;//工資
        private int butie;//補貼

        public int Gongzi {
            set { gongzi = value; }
            get { return gongzi; }
        }

        public int Butie
        {
            get
            {
                return butie;
            }

            set
            {
                butie = value;
            }
        }

        public abstract void Salary();
   
    }

abstract  class Vehicle
    {
        private string str;

        public string Str
        {
            get { return str; }
            set { str = value; }
        }

        public abstract string NoOfWheels();
    }

  class ZhuangjiaTeacher:Teacher
    {
        public ZhuangjiaTeacher(int i) {
            this.Gongzi = 25000;
            this.Butie = 60*i;
            this.Salary();

        }
        public override void Salary()
        {
            Console.WriteLine("專家講師的固定工資是:{0} 課時補貼是:{1} 總工資是:{2}", this.Gongzi,this.Butie,this.Gongzi+this.Butie);
        }
    }