using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ces
{
??? class Program
??? {
??????? delegate void mmd(); //聲明一個賣萌大賽委托
??????? static void Main(string[] args)
??????? {
???????????? /*
??????????? Pet[] cry = new Pet[] { new Dog("小狗"), new Cat("小貓"), new Dog("小狗1") };
??????????? for (int x = 0; x < cry.Length; ++x)
??????????? {
??????????????? cry[x]++;
??????????????? cry[x].speak();
??????????????? cry[x].AVG();
??????????? }

??????????? Cat c = new Cat("Tom2");
??????????? c.speak();
??????????? c.fishing(); //輸出技能
??????????? c.tree();
??????????? Console.WriteLine();
??????????? Dog.NUM();

??????????? Dog d1 = new Dog("Tom");
??????????? d1.speak();
??????????? Cat c1 = d1;? //把小狗變小貓
??????????? c1.speak();
????????? /
?????????? var dogCage=new Cage<Dog>(1); //<放入寵物類型>
????????? dogCage.PutIn(new Dog("A")); //（new Dog("")調(diào)用寵物院里的寵物名字）
?????????? dogCage.PutIn(new Dog("B"));
??????????? var dog = dogCage.TakeOut(); //取出籠子里的狗,不取就沒法出現(xiàn)被隱藏了
?????????? dog.PrintName();? //取出的寵物名字是
???????????
??????????
??????????? var dog = new Dog("F");
??????????? dog.lsHappy<Person>(new Person()); //<聲明的人變量>后面是實列化new Person()相當(dāng)于Person person=new Person();
??????????? dog.lsHappy<int>(3); //當(dāng)狗看見3開心
???????????
??????????? Labrador dog = new Labrador("小狗A");
??????????? dog.Act(new SitDogCmd()); //實列輸出技能并用act引用
??????? //列表：List
?????????? List<Dog>? list = new List<Dog>();
??????????? list.Add(new Dog("C"));
??????????? for(int i=0;i<list.Count;++i){list[i].PrintName();}
??????????? //字典：Dictionary
??????????? Dictionary<string,Dog> dic = new Dictionary<string, Dog>();
??????????? dic.Add("A",new Dog("小狗2號")); //ADD添加 數(shù)量Count? 刪除Remove 訪問[Key]
??????????? dic["A"].PrintName();
???????????
????????????? //棧：Stack
??????????? Stack<Pet> stack = new Stack<Pet>(); //棧后面的<>指定類然后是實列化
??????????? stack.Push(new Dog("狗A"));
??????????? stack.Push(new Cat("貓A"));
??????????? stack.Peek().PrintName();

??????????? //隊列：??? Queue? //先進(jìn)先出類似2端開口 出隊Dequeue 入隊Enqueue
??????????? Queue<Pet> queue = new Queue<Pet>();
??????????? queue.Enqueue(new Dog("小狗B1"));
??????????? queue.Enqueue(new Dog("小狗B2"));
??????????? Pet pet = null;
??????????? pet = queue.Dequeue();
??????????? pet.PrintName();
??????????? pet = queue.Dequeue();
??????????? pet.PrintName();

??????????? mmd del = null;
??????????? Dog dog1 = new Dog("小狗賣萌");
??????????? Cat cat1 = new Dog("小狗賣萌");
??????????? del = dog1.MM;
??????????? del += cat1.MM;? //del+= 相當(dāng)于第一個加上第二個并且自動換行
??????????? del();? //輸出delegate委托
??????????? */
??????????? KF c1 = new KF();? //實列化一個客服
??????????? KF c2 = new KF();
??????????? Dog.XCW += c1.tz;? //把客服賦值給XCW委托事件，然后用委托事件判斷是否有新的寵物
??????????? Dog.XCW += c2.tz;? //因為要先聲明才能賦值判斷否者是空
??????????? Dog dog = new Dog("哈士奇");
???????????? Console.ReadLine();
??????? }
??? }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ces
{
???
??? interface skill? //本領(lǐng)
??? {
??????? void fishing();? //fishin捕魚
??? }
??? interface climb
??? {
??????? void tree();
??? }
??? public abstract class DogCmd
??????? {
???????? public abstract string GetCmd();//聲明GetCmd方法抽象方法abstract 不用函數(shù)體只能被繼承修改
???????? }? //定義技能
??? public class SitDogCmd:DogCmd
??? {
??????? public override string GetCmd()
??????? {
?????????? return "坐下"; //return還回? 還回一個坐下的參數(shù)給GetCmd（）
??????? }
??? }? //什么技能
??? public interface lDogLearn<C>where C:DogCmd //限制c這個接口只能接受DogCmd相關(guān)的技能
??????? {
??????? void Act(C cmd);
???????? }? //聲明泛型接口來學(xué)技能
??? public abstract class Pet? //abstract抽象化使相當(dāng)于不存在
??? {
??????? public string NAME;? //在父類中聲明在派生類中base（繼承對象）
??????? public Pet(string name)
??????? {
??????????? NAME = name;
??????????? age = 0;
??????? }
??????? public abstract void speak();
??????? public int age;
??????? public static Pet operator ++(Pet pet)
??????? {
??????????? ++pet.age;
??????????? return pet;
??????? }
??????? public void AVG()
??????? {
??????????? Console.WriteLine("今年：" + age + "歲");
??????? }
??????? public void PrintName()
??????????? {
?????????????? Console.WriteLine("寵物的名字是"+NAME);
???????????? }
??????? public abstract void MM();
??? }
??? public class Dog : Pet
??? {
??????? public static int Nom; //聲名Nom為整數(shù)的靜態(tài)
??????? public static void NUM()
??????? {
??????????? Console.WriteLine("現(xiàn)在有幾條狗:" + Nom);? //用靜態(tài)輸出打印的狗
??????? }
??????? public Dog(string name) : base(name)
??????? {
??????????? ++Nom; //每賦值一個名字就加一條狗
??????????? if (XCW != null)? //判斷當(dāng)xcw不為空時還回給XCW新寵物
??????????? {
???????????????? XCW();
??????????? }
??????? }
??????? public override void speak()
??????? {

??????????? Console.WriteLine(NAME + "汪汪");
??????? }
??????? public void lsHappy<T>(T target)//where T:class //泛型方法? //約束只能用引用類型所以int會報錯
??????????? {
??????????????? Console.WriteLine("開心"+target.ToString()); //就是將該對象變成字符串，例如你傳進(jìn)來一個Cat類的對象cat，他就會將cat這個對象以字符串形式表現(xiàn)出來
??????????? }
???????? public override void MM()
??????? {
????????? Console.WriteLine("哈士奇萌萌大賽");
???????? }
??????? public delegate void XC(); //聲明事件
??????? public static event XC? XCW; //限制事件
??? }
??? public class Cat : Pet, skill, climb
??? {
??????? public void fishing()
??????? {
??????????? Console.Write("捕魚");
??????? }
??????? public void tree()
??????? {
??????????? Console.Write("爬樹");
??????? }
??????? public Cat(string name) : base(name)
??????? {
??????? }
??????? public override void speak()
??????? {

??????????? Console.WriteLine(NAME + "喵喵");
??????? }
??????????????? //用自定義方法可以轉(zhuǎn)換類型括號是要轉(zhuǎn)換對象，必須不加保護(hù)級別不抽象
????????? public static? implicit operator Cat(Dog dog)
??????????? {
????????????? return new Cat(dog.NAME);
???????????? }
???????????????? public override void MM()
??????? {
????????? Console.WriteLine("無辜看著你");
???????? }
??? }
??? class Person //定義一個人的類當(dāng)狗看見人開心
??????? {
??????? }
??? public class Labrador : Dog,lDogLearn<SitDogCmd>? //泛型<>接受上文聲明的技能
??? {
??????????? public Labrador(string name):base(name)
??????????? {
??????????? }
????????????? public void Act(SitDogCmd cmd) //實現(xiàn)一個泛型接口
????????????? {
??????????? Console.WriteLine(cmd.GetCmd()); //輸出技能
????????????? }
??? }
??? public class KF? //定義一個顧客類
??? {
??????? public void tz()
??????????? {
???????????? Console.WriteLine("有新的寵物來了");
???????????? }
???? }?????
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ces
{
??? public class Cage<T>
??? {
??????? T[] array;? //寵物
??????? int num;?? //聲明輸入寵物的數(shù)量
??????? readonly int Size;? //籠子數(shù)量

??????? public Cage(int n)
??????? {
??????????? Size = n; //賦值給籠子數(shù)量
??????????? num = 0;? //寵物初始為0
??????????? array = new T[Size]; //把籠子給寵物
??????? }
??????? public void PutIn(T pet)
??????? {
??????????? if (num < Size)
??????????? {
??????????????? array[num++] = pet;
??????????? }
??????????? else
??????????? {
??????????????? Console.WriteLine("籠子不夠,放不下");
??????????? }
??????? }
??????? public T TakeOut()? //取出寵物
??????? {
??????????? if (num > 0)
??????????? {
??????????????? return array[--num]; //取出一只就減一個
??????????? }
??????????? else
??????????? {
??????????????? Console.WriteLine("籠子是空的");
??????????????? return default(T);
??????????? }
??????? }
??? }
}

上把我看了在碼的泛型方法那簡直崩潰