发布时间：2018-08-29 04:17:48

原文地址：http://www.oodesign.com/template-method-pattern.htmlTemplate MethodMotivationIf we take a look at the dictionary definition of a template we can see that a template is a preset format, used as a starting point for a particular application so that the format does not.........【阅读全文】

发布时间：2018-08-29 04:16:09

原文地址：http://www.oodesign.com/proxy-pattern.htmlProxy PatternMotivationSometimes we need the ability to control the access to an object. For example if we need to use only a few methods of some costly objects we'll initialize those objects when we need them enti.........【阅读全文】

发布时间：2018-08-29 04:15:31

原文地址：http://www.oodesign.com/flyweight-pattern.htmlFlyweight PatternMotivationSome programs require a large number of objects that have some shared state among them. Consider for example a game of war, were there is a large number of soldier objects; a soldier object m.........【阅读全文】

发布时间：2018-08-29 04:14:28

原文地址：http://www.oodesign.com/decorator-pattern.htmlDecorator PatternMotivationExtending an object?s functionality can be done statically (at compile time) by using inheritance however it might be necessary to extend an object?s functionality dynamically (at r.........【阅读全文】

发布时间：2018-08-29 04:13:34

原文地址：http://www.oodesign.com/composite-pattern.htmlComposite PatternMotivationThere are times when a program needs to manipulate a tree data structure and it is necessary to treat both Branches as well as Leaf Nodes uniformly. Consider for example a program tha.........【阅读全文】