摘要: public class bird { public string type = "bird"; public virtual void write() { Program.print("type is bird"); } } public class chicken : bird { public string type = "chicken"; public override void write() { Program.pr... 阅读全文
posted @ 2012-02-22 16:08 pantherbean 阅读(404) 评论(0) 推荐(0) 编辑