static void Main(string[] args)
{
// Pet dog = new Dog();
//dog._name = "Jack";
// dog.PrintName();
// Pet cat = new Cat(); //基类的引用
// cat._name = "Tom";
// cat.PrintName();
// dog.Speak();
// cat.Speak();
Pet[] pets = new Pet[] { new Dog("Jack"), new Cat("Tom"), new Dog("jack2") };
for (int i = 0; i < pets.Length; i++)
{
pets[i].PrintName();
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("jack3");
dog.HowToFeedDog();
{
int i = 3;
object oi = i; //装箱
Console.WriteLine("i=" + i + "oi=" + oi.ToString());
oi = 10; //存储在堆中
i = 7; //存储在栈中
Console.WriteLine("i=" + i + "oi=" + oi.ToString());
int j = (int)oi; //拆箱
Console.WriteLine("j=" + j);
}
Console.Read();
}
static void Main(string[] args)
{
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();
//Pet dog = new Dog();
//dog.Name ="Jack";
//dog.PrintName();
//dog.Speak();
//Pet cat = new Cat();
//cat.Name = "Tom";
//cat.PrintName();
//cat.Speak();
}