|
2 | 2 |
|
3 | 3 | 从 [维基百科](https://en.wikipedia.org/wiki/Software_design_pattern#Classification_and_list) 中,可以让你对大部分设计模式有一个概览,而且它页指出了那些设计模式是 GoF 中规范.下面列出可以从 JavaSE 和 JavaEE API 中找到的设计模式: |
4 | 4 |
|
5 | | -## 创建型模式 |
| 5 | +## [创建型模式](https://en.wikipedia.org/wiki/Creational_pattern) |
6 | 6 |
|
7 | | -### 抽象工厂 |
| 7 | +### [抽象工厂](http://en.wikipedia.org/wiki/Abstract_factory_pattern) |
8 | 8 |
|
9 | 9 | - [javax.xml.parsers.DocumentBuilderFactory#newInstance()](http://docs.oracle.com/javase/6/docs/api/javax/xml/parsers/DocumentBuilderFactory.html#newInstance%28%29) |
10 | 10 | - [javax.xml.transform.TransformerFactory#newInstance()](http://docs.oracle.com/javase/6/docs/api/javax/xml/transform/TransformerFactory.html#newInstance%28%29) |
11 | 11 | - [javax.xml.xpath.XPathFactory#newInstance()](http://docs.oracle.com/javase/6/docs/api/javax/xml/xpath/XPathFactory.html#newInstance%28%29) |
12 | 12 |
|
13 | | -### 建造者模式 |
| 13 | +### [建造者模式](http://en.wikipedia.org/wiki/Builder_pattern) |
14 | 14 |
|
15 | 15 | - [java.lang.StringBuilder#append()](http://docs.oracle.com/javase/6/docs/api/java/lang/StringBuilder.html#append%28boolean%29)(非同步) |
16 | 16 | - [java.lang.StringBuffer#append()](http://docs.oracle.com/javase/6/docs/api/java/lang/StringBuffer.html#append%28boolean%29)(同步) |
17 | 17 | - [java.nio.ByteBuffer#put()](http://docs.oracle.com/javase/6/docs/api/java/nio/ByteBuffer.html#put%28byte%29)(类似的还有, [CharBuffer](http://docs.oracle.com/javase/6/docs/api/java/nio/CharBuffer.html#put%28char%29), [ShortBuffer](http://docs.oracle.com/javase/6/docs/api/java/nio/ShortBuffer.html#put%28short%29), [IntBuffer](http://docs.oracle.com/javase/6/docs/api/java/nio/IntBuffer.html#put%28int%29), [LongBuffer](http://docs.oracle.com/javase/6/docs/api/java/nio/LongBuffer.html#put%28long%29), [FloatBuffer](http://docs.oracle.com/javase/6/docs/api/java/nio/FloatBuffer.html#put%28float%29) 和 [DoubleBuffer](http://docs.oracle.com/javase/6/docs/api/java/nio/DoubleBuffer.html#put%28double%29)) |
18 | 18 | - [javax.swing.GroupLayout.Group#addComponent()](http://docs.oracle.com/javase/6/docs/api/javax/swing/GroupLayout.Group.html#addComponent%28java.awt.Component%29) |
19 | 19 |
|
20 | | -### 工厂模式 |
| 20 | +### [工厂模式](http://en.wikipedia.org/wiki/Factory_method_pattern) |
21 | 21 |
|
22 | 22 | - [java.util.Calendar#getInstance()](http://docs.oracle.com/javase/6/docs/api/java/util/Calendar.html#getInstance%28%29) |
23 | 23 | - [java.util.ResourceBundle#getBundle()](http://docs.oracle.com/javase/6/docs/api/java/util/ResourceBundle.html#getBundle%28java.lang.String%29) |
24 | 24 | - [java.text.NumberFormat#getInstance()](http://docs.oracle.com/javase/6/docs/api/java/text/NumberFormat.html#getInstance%28%29) |
25 | 25 | - [java.nio.charset.Charset#forName()](http://docs.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html#forName%28java.lang.String%29) |
26 | 26 | - [java.net.URLStreamHandlerFactory#createURLStreamHandler(String)](http://docs.oracle.com/javase/6/docs/api/java/net/URLStreamHandlerFactory.html) |
27 | 27 |
|
28 | | -### 原型模式 |
| 28 | +### [原型模式](http://en.wikipedia.org/wiki/Prototype_pattern) |
29 | 29 |
|
30 | | -- [java.lang.Object#clone()](http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html#clone%28%29)(类需要实现 [java.lang.Cloneable](http://docs.oracle.com/javase/6/docs/api/java/lang/Cloneable.html) 接口) |
| 30 | +- [java.lang.Object#clone()](http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html#clone%28%29)(类需要实现 [java.lang.Cloneable](http://docs.oracle.com/javase/6/docs/api/java/lang/Cloneable.html) 接口) |
| 31 | + |
| 32 | +### [单例模式](http://en.wikipedia.org/wiki/Singleton_pattern) |
| 33 | + |
| 34 | +- [java.lang.Runtime#getRuntime()](http://docs.oracle.com/javase/6/docs/api/java/lang/Runtime.html#getRuntime%28%29) |
| 35 | +- [java.awt.Desktop#getDesktop()](http://docs.oracle.com/javase/6/docs/api/java/awt/Desktop.html#getDesktop%28%29) |
| 36 | +- [java.lang.System#getSecurityManager()](http://docs.oracle.com/javase/6/docs/api/java/lang/System.html#getSecurityManager%28%29) |
| 37 | + |
| 38 | +## [结构型模式](http://en.wikipedia.org/wiki/Structural_pattern) |
| 39 | + |
| 40 | +### [适配器模式](http://en.wikipedia.org/wiki/Adapter_pattern) |
| 41 | + |
| 42 | +- [java.util.Arrays#asList()](http://docs.oracle.com/javase/6/docs/api/java/util/Arrays.html#asList%28T...%29) |
| 43 | +- [java.io.InputStreamReader(InputStream) ](http://docs.oracle.com/javase/6/docs/api/java/io/InputStreamReader.html#InputStreamReader%28java.io.InputStream%29)(返回 Reader) |
| 44 | +- [java.io.OutputStreamWriter(OutputStream)](http://docs.oracle.com/javase/6/docs/api/java/io/OutputStreamWriter.html#OutputStreamWriter%28java.io.OutputStream%29)(返回 Writer) |
| 45 | +- [javax.xml.bind.annotation.adapters.XmlAdapter#marshal()](http://docs.oracle.com/javase/6/docs/api/javax/xml/bind/annotation/adapters/XmlAdapter.html#marshal%28BoundType%29) 和 [#unmarshal()](http://docs.oracle.com/javase/6/docs/api/javax/xml/bind/annotation/adapters/XmlAdapter.html#unmarshal%28ValueType%29) |
| 46 | + |
| 47 | +### [桥模式](http://en.wikipedia.org/wiki/Bridge_pattern) |
| 48 | +暂时没有发现 |
| 49 | + |
| 50 | +### [合成模式](http://en.wikipedia.org/wiki/Composite_pattern) |
| 51 | + |
| 52 | +- [java.awt.Container#add(Component)](http://docs.oracle.com/javase/6/docs/api/java/awt/Container.html#add%28java.awt.Component%29)(Swing 中几乎所有类都使用) |
| 53 | +- [javax.faces.component.UIComponent#getChildren()](http://docs.oracle.com/javaee/6/api/javax/faces/component/UIComponent.html#getChildren%28%29)(JSF UI 中几乎所有类都使用) |
| 54 | + |
| 55 | +### [装饰模式](http://en.wikipedia.org/wiki/Decorator_pattern) |
| 56 | + |
| 57 | +- [java.io.InputStream](http://docs.oracle.com/javase/6/docs/api/java/io/InputStream.html),[OutputStream](http://docs.oracle.com/javase/6/docs/api/java/io/OutputStream.html),[Reader](http://docs.oracle.com/javase/6/docs/api/java/io/Reader.html) 和 [Writer](http://docs.oracle.com/javase/6/docs/api/java/io/Writer.html) 的所有资料都有一个使用 InputStream,OutputStream,Reader,Writer 的构造器 |
| 58 | +- [java.util.Collections](http://docs.oracle.com/javase/6/docs/api/java/util/Collections.html) 中的 [checkedXXX()](http://docs.oracle.com/javase/6/docs/api/java/util/Collections.html#checkedCollection%28java.util.Collection,%20java.lang.Class%29), [synchronizedXXX()](http://docs.oracle.com/javase/6/docs/api/java/util/Collections.html#synchronizedCollection%28java.util.Collection%29) 和 [unmodifiableXXX()](http://docs.oracle.com/javase/6/docs/api/java/util/Collections.html#unmodifiableCollection%28java.util.Collection%29) 方法 |
| 59 | +- [javax.servlet.http.HttpServletRequestWrapper](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletRequestWrapper.html) 和 [HttpServletResponseWrapper](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletResponseWrapper.html) |
| 60 | + |
| 61 | +### [门面模式](http://en.wikipedia.org/wiki/Facade_pattern) |
| 62 | +[javax.faces.context.FacesContext](http://docs.oracle.com/javaee/6/api/javax/faces/context/FacesContext.html),其内部使用了 [LifeCycle](http://docs.oracle.com/javaee/6/api/javax/faces/lifecycle/Lifecycle.html), [ViewHandler](http://docs.oracle.com/javaee/6/api/javax/faces/application/ViewHandler.html), [NavigationHandler](http://docs.oracle.com/javaee/6/api/javax/faces/application/NavigationHandler.html) 等接口或抽象类,没有这一个门面类,终端就需要考虑如何去使用接口或抽象类(实际上不需要,因为门面类通过反射完成了) |
| 63 | +[javax.faces.context.ExternalContext](http://docs.oracle.com/javaee/6/api/javax/faces/context/ExternalContext.html), 其内部使用了 [ServletContext](http://docs.oracle.com/javaee/6/api/javax/servlet/ServletContext.html), [HttpSession](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpSession.html), [HttpServletRequest](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletRequest.html), [HttpServletResponse](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletResponse.html) 等 |
| 64 | + |
| 65 | +### [享元模式](http://en.wikipedia.org/wiki/Flyweight_pattern) |
| 66 | + |
| 67 | +- [java.lang.Integer#valueOf(int)](http://docs.oracle.com/javase/6/docs/api/java/lang/Integer.html#valueOf%28int%29),类似得还有 [Boolean](http://docs.oracle.com/javase/6/docs/api/java/lang/Boolean.html#valueOf%28boolean%29), [Byte](http://docs.oracle.com/javase/6/docs/api/java/lang/Byte.html#valueOf%28byte%29), [Character](http://docs.oracle.com/javase/6/docs/api/java/lang/Character.html#valueOf%28char%29), [Short](http://docs.oracle.com/javase/6/docs/api/java/lang/Short.html#valueOf%28short%29) 和 [Long](http://docs.oracle.com/javase/6/docs/api/java/lang/Long.html#valueOf%28long%29) |
| 68 | + |
| 69 | +### [代理模式](http://en.wikipedia.org/wiki/Proxy_pattern) |
| 70 | + |
| 71 | +- [java.lang.reflect.Proxy](http://docs.oracle.com/javase/6/docs/api/java/lang/reflect/Proxy.html) |
| 72 | +- [java.rmi.*](http://docs.oracle.com/javase/6/docs/api/java/rmi/package-summary.html)(所有 api) |
| 73 | + |
| 74 | +## [表现型模式](http://en.wikipedia.org/wiki/Behavioral_pattern) |
| 75 | + |
| 76 | +### [责任链模式](http://en.wikipedia.org/wiki/Chain_of_responsibility_pattern) |
| 77 | + |
| 78 | +- [java.util.logging.Logger#log()](http://docs.oracle.com/javase/6/docs/api/java/util/logging/Logger.html#log%28java.util.logging.Level,%20java.lang.String%29) |
| 79 | +- [javax.servlet.Filter#doFilter()](http://docs.oracle.com/javaee/6/api/javax/servlet/Filter.html#doFilter%28javax.servlet.ServletRequest,%20javax.servlet.ServletResponse,%20javax.servlet.FilterChain%29) |
| 80 | + |
| 81 | +### [命令模式](http://en.wikipedia.org/wiki/Command_pattern) |
| 82 | + |
| 83 | +- [所有 java.lang.Runnable 的实现](http://docs.oracle.com/javase/6/docs/api/java/lang/Runnable.html) |
| 84 | +- [所有 javax.swing.Action 的实现](http://docs.oracle.com/javase/6/docs/api/javax/swing/Action.html) |
| 85 | + |
| 86 | +### [解释器模式](http://en.wikipedia.org/wiki/Interpreter_pattern) |
| 87 | + |
| 88 | +- [java.util.Pattern](http://docs.oracle.com/javase/6/docs/api/java/util/regex/Pattern.html) |
| 89 | +- [java.text.Normalizer](http://docs.oracle.com/javase/6/docs/api/java/text/Normalizer.html) |
| 90 | +- [所有 java.text.Format 的子类](http://docs.oracle.com/javase/6/docs/api/java/text/Format.html) |
| 91 | +- [所有 javax.el.ELResolver 的子类](http://docs.oracle.com/javaee/6/api/javax/el/ELResolver.html) |
| 92 | + |
| 93 | +### [迭代模式](http://en.wikipedia.org/wiki/Iterator_pattern) |
| 94 | + |
| 95 | +- [所有 java.util.Iterator 的实现](http://docs.oracle.com/javase/6/docs/api/java/util/Iterator.html)(因此也包含了所有 [java.util.Scanner](http://docs.oracle.com/javase/6/docs/api/java/util/Scanner.html) 的子类) |
| 96 | +- [所有 java.util.Enumeration 的实现](http://docs.oracle.com/javase/6/docs/api/java/util/Enumeration.html) |
| 97 | + |
| 98 | + |
| 99 | +### [中介模式](http://stackoverflow.com/questions/1673841/examples-of-gof-design-patterns-in-javas-core-libraries) |
| 100 | + |
| 101 | +- [java.util.Timer 中的所有 scheduleXXX() 方法)](http://docs.oracle.com/javase/6/docs/api/java/util/Timer.html) |
| 102 | +- [java.util.concurrent.Executor#execute()](http://docs.oracle.com/javase/6/docs/api/java/util/concurrent/Executor.html#execute%28java.lang.Runnable%29) |
| 103 | +- [java.util.concurrent.ExecutorService 中的 invokeXXX() 和 submit() 方法](http://docs.oracle.com/javase/6/docs/api/java/util/concurrent/ExecutorService.html) |
| 104 | +- [java.util.concurrent.ScheduledExecutorService 中的所有 scheduleXXX() 方法](http://docs.oracle.com/javase/6/docs/api/java/util/concurrent/ScheduledExecutorService.html) |
| 105 | +- [java.lang.reflect.Method#invoke()](http://docs.oracle.com/javase/6/docs/api/java/lang/reflect/Method.html#invoke%28java.lang.Object,%20java.lang.Object...%29) |
| 106 | + |
| 107 | +### [备忘录模式](http://en.wikipedia.org/wiki/Memento_pattern) |
| 108 | + |
| 109 | +[java.util.Date](http://docs.oracle.com/javase/6/docs/api/java/util/Date.html)(setXXX 方法更新的就是其内部的 Date 的值) |
| 110 | +[java.io.Serializable 的所有实现](http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html) |
| 111 | +[javax.faces.component.StateHolder 的所有实现](http://docs.oracle.com/javaee/6/api/javax/faces/component/StateHolder.html) |
| 112 | + |
| 113 | +### [观察者模式(订阅模式)](http://en.wikipedia.org/wiki/Observer_pattern) |
| 114 | + |
| 115 | +[java.util.Observer](http://docs.oracle.com/javase/6/docs/api/java/util/Observer.html)/[java.util.Observable](http://docs.oracle.com/javase/6/docs/api/java/util/Observable.html)(实际应用中,很少会用到) |
| 116 | +[java.util.EventListener 的所有实现](http://docs.oracle.com/javase/6/docs/api/java/util/EventListener.html)(几乎包含了所有 Swing 中使用到的类) |
| 117 | +[javax.servlet.http.HttpSessionBindingListener](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpSessionBindingListener.html) |
| 118 | +[javax.servlet.http.HttpSessionAttributeListener](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpSessionAttributeListener.html) |
| 119 | +[javax.faces.event.PhaseListener](http://docs.oracle.com/javaee/6/api/javax/faces/event/PhaseListener.html) |
| 120 | + |
| 121 | +### [状态模式](http://en.wikipedia.org/wiki/State_pattern) |
| 122 | + |
| 123 | +[javax.faces.lifecycle.LifeCycle#execute()](http://docs.oracle.com/javaee/6/api/javax/faces/lifecycle/Lifecycle.html#execute%28javax.faces.context.FacesContext%29)(由FacesServlet控制,行为是依赖于当前JSF生命周期阶段(状态)) |
| 124 | + |
| 125 | +### [策略模式](http://en.wikipedia.org/wiki/Strategy_pattern) |
| 126 | + |
| 127 | +[java.util.Comparator#compare()](http://docs.oracle.com/javase/6/docs/api/java/util/Comparator.html#compare%28T,%20T%29), 在 Collections#sort() 中会使用到. |
| 128 | +[javax.servlet.http.HttpServlet](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServlet.html),service() 和 所有 doXXX() 方法都以 HttpServletRequest 和 HttpServletResponse 作为参数,所有方法的实现都需要显式处理这两个参数(而不是持有这个变量。) |
| 129 | +[javax.servlet.Filter#doFilter()](http://docs.oracle.com/javaee/6/api/javax/servlet/Filter.html#doFilter%28javax.servlet.ServletRequest,%20javax.servlet.ServletResponse,%20javax.servlet.FilterChain%29) |
| 130 | + |
| 131 | +### [模板模式](http://en.wikipedia.org/wiki/Template_method_pattern) |
| 132 | +[java.io.InputStream](http://docs.oracle.com/javase/6/docs/api/java/io/InputStream.html), [java.io.OutputStream](http://docs.oracle.com/javase/6/docs/api/java/io/OutputStream.html), [java.io.Reader](http://docs.oracle.com/javase/6/docs/api/java/io/Reader.html) 和 [java.io.Writer](http://docs.oracle.com/javase/6/docs/api/java/io/Writer.html) 的所有 非抽象 方法。 |
| 133 | +[java.util.AbstractList](http://docs.oracle.com/javase/6/docs/api/java/util/AbstractList.html), [java.util.AbstractSet](http://docs.oracle.com/javase/6/docs/api/java/util/AbstractSet.html) 和 [java.util.AbstractMap](http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.html) 的所有 非抽象 方法。 |
| 134 | + |
| 135 | +[javax.servlet.http.HttpServlet 中 doXXX() 方法](http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServlet.html),这些方法默认返回 405 "Method Not Allowed" ,你可以自由地选择覆盖实现其中的一个或多个。 |
| 136 | + |
| 137 | +### [访问者模式](http://en.wikipedia.org/wiki/Visitor_pattern) |
| 138 | + |
| 139 | +[javax.lang.model.element.AnnotationValue](http://docs.oracle.com/javase/6/docs/api/javax/lang/model/element/AnnotationValue.html) 和 [AnnotationValueVisitor](http://docs.oracle.com/javase/6/docs/api/javax/lang/model/element/AnnotationValueVisitor.html) |
| 140 | +[javax.lang.model.element.Element](http://docs.oracle.com/javase/6/docs/api/javax/lang/model/element/Element.html) 和 [ElementVisitor](http://docs.oracle.com/javase/6/docs/api/javax/lang/model/element/ElementVisitor.html) |
| 141 | +[javax.lang.model.type.TypeMirror](http://docs.oracle.com/javase/6/docs/api/javax/lang/model/type/TypeMirror.html) 和 [TypeVisitor](http://docs.oracle.com/javase/6/docs/api/javax/lang/model/type/TypeVisitor.html) |
| 142 | +[java.nio.file.FileVisitor](http://docs.oracle.com/javase/7/docs/api/java/nio/file/FileVisitor.html) 和 [SimpleFileVisitor](http://docs.oracle.com/javase/7/docs/api/java/nio/file/SimpleFileVisitor.html) |
| 143 | + |
| 144 | + |
| 145 | +附录拓展: |
| 146 | + |
| 147 | +- [设计模式-百度百科](http://baike.baidu.com/link?url=_XNWwtm_SeObjikESBkyse_nfXm2HIOOkwJ1XwyVZALLU36AG36DhOMN0Utln5-nJBT6aAplJFOGXCdwQSsm3_) |
| 148 | + |
| 149 | +stackoverflow原址:http://stackoverflow.com/questions/1673841/examples-of-gof-design-patterns-in-javas-core-libraries |
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