static public void HowToFeedDog(this Dog dog)
{
Console.WriteLine("Play a video about how to feed a dog");
}
static public void HowToFeedDog(this Dog dog)
{
Console.WriteLine("play video about how to feed pet");
}
delegate void ActCute(); //委托
static void Main(string[] args)
{ /*基类的引用 派生类的对象包含基类部分和派生部分，所以
* 我们可以通过一个基类类型的引用指向派生类。
* //Pet dog = new Dog(); 通过指向派生类的基类引用，我们仅仅能访问派生类中的基类部分*/
/* Dog dog = new Dog();
* dog._name = "jack";
* dog.PrintName();
* //Pet dog = new Dog();
* Cat cat = new Cat();
*
* cat._name = "tom";
* cat.PrintName(); */
/* Pet[] pets = new Pet[]{new Dog("Jack"),new Cat("tom") }; //基类的引用指向派生类 调用的是重写的方法
* for(int i=0; i < pets.Length; i++)
* {
* pets[i].Speak();
* }
* Dog c = new Dog("tom2");
* ICatchMice Catch = (ICatchMice)c;
* c.CatchMice();
* Catch.CatchMice(); //只能调用接口内的方法
* IClimTree Clim = (IClimTree)c;
* Clim.ClimTree();
* Cat.ShowNum();
* Dog dog = new Dog("dd");
* dog.HowToFeedDog();
* {
* int i = 3;
* object oi = i; //装箱操作
* Console.WriteLine("i=" + i + "oi=" + oi.ToString());
* oi = 10;
* i = 7;
* Console.WriteLine("i=" + i + "oi=" + oi.ToString());
* int j = (int)oi; //拆箱
* Console.WriteLine("oi= " + j);
* } */
/* Dog dog = new Dog("jack");
* dog.Speak();
* Cat cat = dog; //隐示转换
* cat.Speak();
* cat.PrintName();
*
* Dog dog2 = (Dog)cat; //显示转换
* cat.Speak(); */
/* Pet[] pets = new Pet[]{new Dog("Jack"),new Cat("tom") };
* for(int i=0; i < pets.Length; i++)
* {
* pets[i]++;
* pets[i].ShowAge();
*
* } */
/* var catCage = new Cage<Cat>(1);
* catCage.Putin(new Cat("A"));
* catCage.Putin(new Cat("b"));
* var cat = catCage.Takeout();
* cat.PrintName(); 范指类 */
var dog = new Dog("A");
dog.isHappy <Person>(new Person());
// dog.isHappy<int>(3);
// dog.isHappy<Cat>(new Cat("d"));
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>范型接口
/* Labrador dog = new Labrador("A");
* dog.Act(new SitDogCmd());*/
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>范型接口
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>集合
/* List<Dog> list = new List<Dog>(); //lis<>方法
* list.Add(new Dog("A"));
* list.Add(new Dog("B"));
* list.Add(new Dog("C"));
* list.RemoveAt(1);
*
* for (int i= 0; i < list.Count; ++i)
* {
* list[i].PrintName();
* } */
/* Dictionary<string, Dog> dic = new Dictionary<string, Dog>(); //字典
* dic.Add("a", new Dog("A"));
* dic.Add("a", new Dog("B"));
* dic.Add("a", new Dog("C"));
* dic["A"].PrintName();
*
* Stack<Pet> stack = new Stack<Pet>(); //stack 栈
* stack.Push(new Dog("A"));
* stack.Push(new Cat("B"));
*
* stack.Peek().PrintName();
* stack.Pop();
* stack.Peek().PrintName(); */
/* Queue<Pet> queue = new Queue<Pet>(); // 队列
* queue.Enqueue(new Dog("D"));
* queue.Enqueue(new Dog("E"));
* queue.Enqueue(new Cat("F"));
*
* Pet p = null;
* p = queue.Dequeue();
* p.PrintName();
* p = queue.Dequeue();
* p.PrintName();
* p = queue.Dequeue();
* p.PrintName(); */
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>集合
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>委托 匿名函数lambda表达式
/* ActCute del = null;
* Dog dog = new Dog("A");
* Cat cat = new Cat("B");
* del = dog.WagTail;
* del+= cat.InnocentLook;
* del += () => // lambda表达式
* {
* Console.WriteLine("do nothing");
* };
*
* del(); //委托调用 与函数相同 有参数在括号 调用出所有的函数方法
*
*/
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>委托 匿名函数lambda表达式
/* client c1 = new client();
* client c2 = new client();
* Cat.NewCat += c1.WantADog; //通过对象订阅
* Cat.NewCat += c2.WantADog;
* Cat cat = new Cat("q"); */
}
static void Main(string[] args)
{
var dog = new Dog("A");
dog.IsHappy <Cat>(new Cat("Tom"));
//dog.IsHappy<int>( 3);
//var dogCage = new Cage<Dog>(1);
//dogCage.Putin(new Dog("A"));
//dogCage.Putin(new Dog("B"));
//var dog = dogCage.TakeOut();
//dog.PrintName();
//Dog dog = new Dog("Jack");
//dog.Speak();
//Cat cat = dog;
//cat.Speak();
//cat.PrintName();
//Dog dog2=(Dog)cat;
//dog2.Speak();
//Pet[] pets = new Pet[] { new Dog("Jack"), new Cat("Tom"), new Dog("Cherry") };
//for (int i=0;i<pets.Length;++i)
//{
// pets[i]++;
// pets[i].ShowAge();
//}
//Pet[] pets = new Pet[] {new Dog("Jack"), new Cat("Tom") ,new Dog("Cherry")};
//for(int i=0;i<pets.Length;i++)
//{
// pets[i].Speak();
//}
//Cat c = new Cat("Tom2");
//IClimbTree climb = (IClimbTree)c;
//c.ClimbTree();
//climb.ClimbTree();
//ICatchMice catchM = (ICatchMice)c;
//c.CatchMice();
//catchM.CatchMice();
//Dog.ShowNum();
//Dog dog = new Dog("Tommy");
//dog.HowToFeedDog();
//{
// int i = 3;
// object oi = i;
// Console.WriteLine("i="+i+"oi="+oi.ToString());
// oi = 10;
// i = 7;
// Console.WriteLine("i=" + i + "oi=" + oi.ToString());
// int j = (int)oi;
// Console.WriteLine("j="+j);
//}
//Pet dog = new Dog();
//dog.Name ="Jack";
//dog.PrintName();
//dog.Speak();
//Pet cat = new Cat();
//cat.Name = "Tom";
//cat.PrintName();
//cat.Speak();
}
