中南大学设计模式试验2

privateMultiton(){publicstaticMultitongetInstance(){//TODO:implementif(multitonList.size()<NUMBER){System.out.println("创建新实例成功");Multitoncurrent=newMultiton();multitonList.add(current);returncurrent;}else{System.out.println("不能创建更多的实例")；returnmultitonList.get(newRandom().nextInt(multitonList.size()));}客户端类Client：packageSingleton;publicclassClient{publicstaticvoidmain(String[]args){Multitonm1=Multiton.getInstance();Multitonm2=Multiton.getInstance();Multitonm3=Multiton.getInstance();Multitonm4=Multiton.getInstance();System.out.println("m1==m2:"+(m1==m2));System.out.println("m2==m3:"+(m2==m4));System.out.println("m3==m4:"+(m3==m4));

运行结果:booledn运行结果:boolednrpublicstaticvoidmain(String口args){System.out.println("HelloWorld!");newJInternalFrameDemo();}}类JInternalFrameDemo：importjava.awt.BorderLayout;importjava.awt.Container;importjava.awt.Dimension;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.awt.event.WindowAdapter;importjava.awt.event.WindowEvent;importjavax.swing.JButton;importjavax.swing.JDesktopPane;importjavax.swing.JFrame;publicclassJInternalFrameDemoextendsJFrameimplementsActionListener{privatestaticJInternalFrame1internalFrame;ContainercontentPane=this.getContentPane();publicJInternalFrameDemo。{super("主窗体)contentPane.setLayout(newBorderLayout());JButtonbutton=newJButton("创建一个子窗体")；button.addActionListener(this);contentPane.add(button,BorderLayout.SOUTH);this.setSize(newDimension(300,300));this.setVisible(true);this.addWindowListener(newWindowAdapter(){©OverridepublicvoidwindowClosing(WindowEvente){System.exit(O);}})；}publicvoidactionPerformed(ActionEvente){internalFrame=JInternalFrame1.getJInternalFrame1("子窗体",true,true,true,true);internalFrame.setSize(newDimension(200,200));internalFrame.setVisible(true);JDesktopPanedesktopPane=newJDesktopPane();contentPane.add(desktopPane);desktopPane.add(internalFrame);try{internalFrame.setSelected(true);}catch(java.beans.PropertyVetoExceptionex){System.out.println("Exceptionwhileselecting");}}}类JInternalFrame1：importjavax.swing.JInternalFrame;publicclassJInternalFramelextendsJInternalFrame{privatestaticJInternalFramelJIF1=null;privateJInternalFrame1(Stringname,booleanb1,booleanb2,booleanb3,booleanb4){super(name,b1,b2,b3,b4);}publicstaticJInternalFramelgetJInternalFrame1(Stringname,booleanb1,booleanb2,booleanb3,booleanb4){if(JIF1==null)JIF1=newJInternalFrame1(name,b1,b2,b3,b4);returnJIF1;}}7.类图:实现代码：目标抽象类DataOperation：publicinterfaceDataOperation{publicvoidsort(int口a,intlow,inthigh);publicintsearch(int[]srcArray,intstart,intend,intkey);}适配者类QuickSort：publicclassQuickSort{publicvoidquickSout(int口a,intlow,inthigh){intstart=low;intend=high;intkey=a[low];while(end>start){〃从后往前比较while(end>start&&a〔end]>=key)〃如果没有比关键值小的，比较下一个，直到有比关键值小的交换位置，然后又从前往后比较end--;if(a[end]<=key){inttemp=a[end];a[end]=a[start];a[start]=temp;}〃从前往后比较while(end>start&&a[start]<=key)//如果没有比关键值大的，比较下一个，直到有比关键值大的交换位置start++;if(a[start]>=key){inttemp=a[start];a[start]=a[end];a[end]=temp;}〃此时第一次循环比较结束，关键值的位置已经确定了。左边的值都比关键值小，右边的值都比关键值大，但是两边的顺序还有可能是不一样的，进行下面的递归调用}〃递归if(start>low)quickSout(a,low,start-1);//左边序列。第一个索引位置到关键值索引-1if(end<high)4山©女5。a3,0口4+1,出8卜);〃右边序列ij。从关键值索引+1到最后一个}}适配者类BinarySearch：publicclassBinarySearch{publicintbinarySearch(intsrcArray口，intstart,intend,intkey){intmid=(end-start)/2+start;if(srcArray[mid]==key){returnmid;}if(start>=end){return-1;}elseif(key>srcArray[mid]){returnbinarySearch(srcArray,mid+1,end,key);}elseif(key<srcArray[mid]){returnbinarySearch(srcArray,start,mid-1,key);}return-1;适配器类DataOpAdapter：publicclassDataOpAdapterimplementsDataOperation{privateQuickSortqSort;privateBinarySearchbinarySearch;publicDataOpAdapter(QuickSortqSort,BinarySearchbinarySearch){this.qSort=qSort;this.binarySearch=binarySearch;}©Overridepublicintsearch(int[]srcArray,intstart,intend,intkey){returnbinarySearch.binarySearch(srcArray,start,end,key);}©Overridepublicvoidsort(int口a,intlow,inthigh){qSort.quickSout(a,low,high);}}客户端类Main：publicclassMain{publicstaticvoidmain(String[]args){DataOperationdataOperation=newDataOpAdapter(newQuickSort(),newBinarySearch。)；int口a={12,20,5,16,15,1,30,45,23,9};System.out.println("排序前：")；for(inti=0;iva.length;i++){System.out.print(a[i]+"");}intstart=0;intend=a.length-1;dataOperation.sort(a,start,end);System.out.println("也"+"实现快速排序：");for(inti=0;iva.length;i++){System.out.print(a[i]+"");}System.out.println("也"+"实现了二分查找算法，查找“20”");System.out.println(dataOperation.search(a,0,a.length-1,20));}}8.类图:实现代码：抽象类Productor：packageBridgePattern;publicabstractclassProductor{protectedPlaneplane;publicvoidsetPlane(Planeplane){this.plane=plane;}publicabstractvoidproduct。；}扩充抽象类AirbusPro:packageBridgePattern;publicclassAirbusProextendsProductor{©Overridepublicvoidproduct(){System.out.println("Airbuscompary");plane.createPlane();}}扩充抽象类McDonnellPro:packageBridgePattern;publicclassMcDonnellProextendsProductor{©Overridepublicvoidproduct(){System.out.println("McDonnellcompany");plane.createPlane();}}扩充抽象类BoeingPro:packageBridgePattern;publicclassBoeingProextendsProductor{©Overridepublicvoidproduct。{System.out.println("Boeingcompany");plane.createPlane();实现类接口Plane：packageBridgePattern;publicinterfacePlane{publicvoidcreatePlane();}具体实现类PassengerPlane;packageBridgePattern;publicclassPassengerPlaneimplementsPlane{©OverridepublicvoidcreatePlane(){System.out.println("bulidaPassengerPlane");}具体实现类CargoPlane;packageBridgePattern;publicclassCargoPlaneimplementsPlane{©OverridepublicvoidcreatePlane(){System.out.println("buildaCargoPlane");}客户端类Client（没使用配置文件）：packageBridgePattern;publicclassClient{publicstaticvoidmain(String口args){Productorproductor;CargoPlanecargoPlane=newCargoPlane();//PassengerPlanepaplane=newPassengerPlane();productor=newAirbusPro();productor.setPlane(cargoPlane);duct();类图：唱|■!ComponentTOC\o"1-5"\h\zQ add{Component] void曲 removefCcjnipcnem^ void|即 share(Componerrt} votdQ- Q- addCCompane void循,L remave(Component} va(d©』share{Component} vaid电namt String莓components ArrayUsKCampane-nrt>Os电namt String莓components ArrayUsKCampane-nrt>OsMemberM&mb&r{String)@Cflent0j.imalntStrlngQ)void0■ add(Component} void❾0n3me Siring模式：组合模式定义：组合多个对象形成树型结构以表示具有部分0n3me Siring模式：组合模式定义：组合多个对象形成树型结构以表示具有部分-整体关系的层次结构。组合模式让客户端可以统一对待单个对象和组合对象。CompositePattern:Composeobjectsintotreestructurestorepresentpart-wholehierarchies.Compositeletsclientstreatindividualobjectandcompositionsofobjectuniformly.实现代码：抽象构件类Component：packageCompositePattern;sharsfCamponent) vmd俞，onMessagefl voidpublicabstractclassComponent{publicabstractvoidadd(Componentccomponent);publicabstractvoidremove(Componentcomponent);publicabstractvoidshare(Componentcomponent);}叶子构件类Member：packageCompositePattern;importjava.util.ArrayList;publicclassMemberextendsComponent{publicMember(Stringname){=name;publicStringgetName(){returnname;publicvoidsetName(Stringname){=name;privateStringname;©Overridepublicvoidadd(Componentccomponent){System.out.println("调这个函数也没用");©Overridepublicvoidremove(Componentcomponent){System.out.println("调这个函数也没用");©Overridepublicvoidshare(Componentcomponent){if(componentinstanceofGroup){ArrayList<Component>components=((Group)component).getComponents();if(components.contains(this)){components.remove(this);for(Componentobj:components){obj.share(obj);components.add(this);}elseif(componentinstanceofMember){((Member)component).onMessage();publicvoidonMessage(){System.out.println(this.getName()+"收到消息");}容器构件类Group:packageCompositePattern;importjava.util.ArrayList;publicclassGroupextendsComponent{publicGroup(Stringname){=name;publicArrayList<Component>getComponents(){returncomponents;}publicStringgetName(){returnname;}publicvoidsetName(Stringname){=name;}privateStringname;publicArrayList<Component>components=newArrayList<>();©Overridepublicvoidadd(Componentccomponent){components.add(ccomponent);}©Overridepublicvoidremove(Componentcomponent){components.remove(component);}©Overridepublicvoidshare(Componentcomponent){if(componentinstanceofGroup){ArrayList<Component>com=((Group)component).getComponents();for(Componentobject:components){object.share(object);}}elseif(componentinstanceofMember){((Member)component).onMessage();}}}客户端类Client：packageCompositePattern;publicclassClient{publicstaticvoidmain(String口args){Componentgroup1=newGroup("Group1");Componentmember1=newMember("member1");Componentmember2=newMember("member2");Componentmember3=newMember("member3");Componentmember4=newMember("member4");group1.add(member1);group1.add(member2);group1.add(member3);group1.add(member4);System.out.println(((Member)member1).getName()+”分享了一条新动态")；member1.share(group1);System.out.println(" ");Componentgroup2=newGroup("group2");group2.add(group1);Componentmember5=newMember("member5");group2.add(member5);System.out.println(((Member)member5).getName()+”分享了一条新动态");member5.share(group2);}}类图：

□rganizationComponent金\OrgantzaltanComponent新畤tenClEentQ addCompanem{OrgantzatlanComponent)Q remaveCompone叫QrgantzatanCamponem)Organf□rganizationComponent金\OrgantzaltanComponent新畤tenClEentQ addCompanem{OrgantzatlanComponent)Q remaveCompone叫QrgantzatanCamponem)Organf工mGonComponentvoidvoidOrga由attonC□mponentvodvoidmarnfStr^gD}void由『addComponent{OrganfezatlonCamponent} void0bFemoveComponentfOrgantzatlanCamponent]vaEd0getCNFcKtnt)@,sendMessage{String)0onMe5,sage{}通nam&■.：DeptComponentOi：organtzatlanCompoent 5euOrganLzationCamponeFit>Q%getchttd(lnt)®5endMes^ge(5tring)命r--anMessage{)通nameQ:bgetchttdftm}的：sendMessage{Strlng)® onMessage^}电name实现代码：抽象构件类OrganizationComponent:packageCompositePattern2;publicclassOrganizationComponent{privateStringname;publicStringgetName(){return;一・，.gnew., '""z…'……a”—'”publicOrganizationComponentgetChild(inti){} re'"",iiS,ingmsg)lpublicvoidonMessage(){…。ffice：packageCompositePattern2;publicclassOfficeextendsOrganizationComponent{privateStringname;publicStringgetName(){return;一・，.g.e;publicvoidaddComponent(OrganizationComponentorganizationComponent){}………publicvoidremoveComponent(OrganizationComponentorganizationComponent){}—“publicOrganizationComponentgetChild(inti){System.out.println("errormethod");returnnull;}publicvoidsendMessage(Stringmsg){System.out.println("errormethod");}publicvoidonMessage(){System.out.println(this.getName()+"接收公文")；}}容器构件类DeptComponent：packageCompositePattern2;importjava.util.HashSet;importjava.util.Set;publicclassDeptComponentextendsOrganizationComponent{publicSet<OrganizationComponent>organizationCompoent=newHashSet<>();privateStringname;publicStringgetName(){return;}publicvoidsetName(StringnewName){=newName;publicvoidaddComponent(OrganizationComponentorganizationComponent){organizationCompoent.add(organizationComponent);}publicvoidremoveComponent(OrganizationComponentorganizationComponent){organizationCompoent.remove(organizationComponent);}publicOrganizationComponentgetChild(inti){System.out.println("获取子代元素")；returnnull;}publicvoidsendMessage(Stringmsg){System.out.println(this.getName()+"发送公文")；for(OrganizationComponentoc:organizationCompoent){if(ocinstanceofDeptComponent){oc.sendMessage(msg);}elseif(ocinstanceofOffice){oc.onMessage();}publicvoidonMessage(){System.out.println("错误方法");}客户端类Client：packageCompositePattern2;publicclassClient{publicstaticvoidmain(String口args){OrganizationComponentbeijing=newDeptComponent();beijing.setName("北京总部")；OrganizationComponentjiaowuOfficel=newOffice();jiaowuOffice1.setName("教务办公室1");OrganizationComponenthunanfenxiao=newDeptComponent();hunanfenxiao.setName("湖南分校")；OrganizationComponentxingzhengOffice=newOf