static void AbstractClassTest()
{
Japanese user1 = new Japanese();
Console.WriteLine(user1.Name);
Console.WriteLine(user1.Id);
User.GetCount();
Japanese sawao = new Japanese("Keita Sawao", "J0118386");
User.GetCount();
American bob = new American("Bob");
Console.WriteLine(bob.Id);
bob.SayHi();
User.GetCount();
AdminUser tom = new AdminUser("Tom", "J0111111");
User.GetCount();
}
static void Main(string[] args)
{
//练习多态功能的编程！
//Person[] pers = new Person[8];
Chinese cn1 = new Chinese("张三");
Chinese cn2 = new Chinese("李四");
Japanese jn1 = new Japanese("太郎");
Japanese jn2 = new Japanese("次郎");
Korean kn1 = new Korean("金日");
Korean kn2 = new Korean("金月");
American am1 = new American("Tomi");
American am2 = new American("Rose");
Person[] pers = { cn1, cn2, jn1, jn2, kn1, kn2, am1, am2 };
for (int i = 0; i < pers.Length; i++)
{
/*
* if ( pers[i] is Chinese )
* {
* ((Chinese) pers[i]).SayHello();
* }
* else if (pers[i] is Japanese)
* {
* ((Japanese) pers[i]).SayHello();
* }
* /************************************************************************/
/* pers前面必须要加上子类名称强转父类，否则调用的SayHello是父类的！
* Korean和American是同理的，不再赘述！
* 另外pers为什么不可以提前写成组然后给组赋各个子类的值呢？
*/
pers[i].SayHello();
}
Console.ReadKey();
}
