delegate void ActCute();//声明一个委托的类型
static void Main(string[] args)
{
Child xiaoMing = new Child(); //实例化Child类的对象
xiaoMing.Name = "maxiaoming"; //为字段赋值
//xiaoMing.Sex="";
xiaoMing.Age = 6;
xiaoMing.Age = 5;
xiaoMing.Height = 120;
Console.WriteLine("My name is " + xiaoMing.Name + ". I am " + xiaoMing.Sex + ". I am " + xiaoMing.Age + " years old.");
xiaoMing.PlayBall(); //调用方法
xiaoMing.EatSugar("榴莲糖"); //实参 sugar="榴莲糖"
xiaoMing.EatSugar(4);
xiaoMing.EatSugar("牛奶糖", 2);
xiaoMing.EatSugarage(5);
int sum;
sum = xiaoMing.Add(2, 3);
Console.WriteLine("两数之和是：" + sum);
Console.WriteLine("我的名字是{0}-根据无参构造方法", xiaoMing.Name);
Child child = new Child("田翠华", Gender.女, 5);//调用构造方法
Console.WriteLine("我的名字是" + child.Name + "，我的性别是" + child.Sex + "，我的年龄是" + child.Age);
//用有参数构造方法初始化
Child child1 = new Child("小白", Gender.男, 4);
//用无参数构造方法初始化
Child child2 = new Child();
child2.Name = "胡晓梅";
child2.Age = 4;
//用对象初始化器初始化对象
Child child3 = new Child()
{
Name = "周润发", Age = 5
};
Console.WriteLine("我叫{0}, 今年{1}岁了", child3.Name, child3.Age);
Console.WriteLine("------------结构----------------");
//Dog dog = new Dog();
dog.Name = "小白";
Console.WriteLine("The Name of " + dog.Name);
dog.Sing();
Console.WriteLine("------------------------");
Child c1 = new Child("刘有才", Gender.男, 3);
Growth(c1); //按引用传参，方法修改形参，通常实参也会被修改
//Console.WriteLine("我现在{0}岁了！", c1.Age);
Growth(c1.Age); //按值传参，方法修改形参，实参不会被修改
Console.WriteLine("我现在{0}岁了！", c1.Age);
int age = 3;//年龄
Growth(ref age);
Console.WriteLine("我现在{0}岁了！", age);
int age_out = 7;
int ly, ny;//去年的年龄，明年的年龄
Growth(age_out, out ly, out ny);
Console.WriteLine("我明年{0}岁，去年{1}岁!", ny, ly);
Console.WriteLine("-------------父类-----------");
Pet snake = new Snake();
//Pet snake = new Snake();//直接调用父类
snake.name = "蛇";
snake.printName();
snake.Speak();
/*snake1.printName();
* snake1.Speak();*/
Console.WriteLine("-------------泛型方法-----------");
var bird = new Bird("xiaoniao");
bird.IsHappy <Bird>(new Bird("Tom"));//int只是例子，可以是任意类型
Console.WriteLine("-------------List集合-----------");
List <Dog> list = new List <Dog>();
list.Add(new Dog("A"));
list.Add(new Dog("B"));
list.Add(new Dog("C"));
list.RemoveAt(0);
for (int i = 0; i < list.Count; i++)
{
list[i].Sing();
}
Console.WriteLine("-------------Dictionary集合-----------");
Dictionary <string, Dog> dic = new Dictionary <string, Dog>();
dic.Add("A", new Dog("A"));
dic.Add("B", new Dog("B"));
dic.Add("C", new Dog("C"));
dic["A"].Sing();
Console.WriteLine("-------------栈Stack集合-----------");
Stack <Pet> stack = new Stack <Pet>();
stack.Push(new Bird("D"));
stack.Push(new Fish("E"));
stack.Push(new Bird("F"));
stack.Peek().printName(); //显示栈顶元素
stack.Pop(); //出栈
stack.Peek().printName();
Console.WriteLine("-------------队列Queue集合-----------");
Queue <Pet> queue = new Queue <Pet>();
queue.Enqueue(new Bird("G"));
queue.Enqueue(new Bird("H"));
queue.Enqueue(new Fish("I"));
Pet pet = null;
pet = queue.Dequeue();
pet.printName();
pet = queue.Dequeue();
pet.printName();
pet = queue.Dequeue();
pet.printName();
Console.WriteLine("-------------委托-----------");
ActCute del = null;
Fish fish = new Fish("J");
Bird bird_d = new Bird("K");
del = fish.WagTail;//没有括号，只是持有方法
del += bird.innocentLook;
del += () => { Console.WriteLine("do nothing"); };
del();
Console.WriteLine("-------------事件-----------");//实际上也是观察者模式设置的过程
Client client_1 = new Client();
Client client_2 = new Client();
Bird.NewBird += client_1.WantADog; //注册事件
Bird.NewBird += client_2.WantADog; //注册事件
Bird bird_event = new Bird("event_bird");
}
static Dog dog; //结构也可以不用实例化对象，即可将=new Dog()去除，定义在Main方法之外
static void Growth(Child child) //引用类型参数，按引用传参
{
child.Age++;
Console.WriteLine("又长大一岁");
}
