摘要：public abstract class AbstractClass{ public abstract void PrintOperation1(); public abstract void PrintOperation2(); public void TemplateMethod() ... 阅读全文

摘要：原型模式，用原型实例指定创建对象的种类, 并且通过拷贝这些原型创建新的对象。public class WorkExperence : ICloneable{ public string compnayName; public string workTime; public Object Clo... 阅读全文

摘要：以计算器为例:public class Operation{ public double numbera; public double numberb; public virtual double getresult() { return 0; }}//加法public class ... 阅读全文