軟件設計模式設計模式代碼

1.QuackablepackageerfaceQuackablepublicvoidquack();//QuackableQuack（呱呱叫} 現(xiàn)在某些鴨子實現(xiàn)了QuackablepublicclassMallardDuckimplements1.QuackablepackageerfaceQuackablepublicvoidquack();//QuackableQuack（呱呱叫} 現(xiàn)在某些鴨子實現(xiàn)了QuackablepublicclassMallardDuckimplementsQuackablepublicvoidquack()}}packagepublicclassRedheadDuckimplementspublicvoid}}packagepublicclassDuckCallimplementsQuackable//DuckCall(鴨鳴器publicvoid}}packagepublicclassRubberDuckimplementsQuackable//RubberDuck（橡publicvoid}}packagepublicclassDuckSimulatoricvoidmain(Stringargs publicDuckSimulatorsimulator=DuckSimulator//}voidQuackablemallardDuck=newMallardDuck//把每一種會叫的redheadDuck=newduckCall=newDuckCall();rubberDuck=new}voidQuackablemallardDuck=newMallardDuck//把每一種會叫的redheadDuck=newduckCall=newDuckCall();rubberDuck=newRubberDuck();ln("\nDucksimulate(mallardDuck//開始模擬每種鴨子}voidsimulate(Quackable 重載了simulate()duck.quack();//剩下的事就讓多態(tài)發(fā)揮作用，無論傳入哪一種對象，多態(tài)}}DuckSimulatorpackagepublicclassGoosepublicvoid }}5.Quackable接口.既然鵝不會呱呱叫package importpublicclassGooseAdapterimplementsQuackable{Goosegoose;publicGooseAdapter(Goosethis.goose=}publicvoidquack(){}}publicclassGooseAdapterimplementsQuackable{Goosegoose;publicGooseAdapter(Goosethis.goose=}publicvoidquack(){}}packageDuckSimulatoricvoidmain(String[args) publicDuckSimulatorsimulatornewDuckSimulator()//創(chuàng)建一個模擬器，}voidQuackablemallardDuck=newMallardDuck()//把每一種會叫的東西都產(chǎn)生redheadDuck=newRedheadDuck();duckCall=newDuckCall();rubberDuck=newRubberDuck();gooseDucknewGooseAdapter(newGoose());//通過把包裝進ln("\nDucksimulate(mallardDuck//開始模擬每種鴨子simulate(gooseDuck);//}voidsimulate(Quackable}}7.DuckSimulator8.}voidsimulate(Quackable}}7.DuckSimulator8.packageimport publicclassQuackCounterimplementsQuackablesnumberOfQuacks//publicQuackCounter(Quackableduck){//將Quackable當作參數(shù)傳入構造器， this.duck=}publicvoid} publicreturn}}包裝在QuackCounterQuackablepackageimportDuckSimulatoricvoidmain(String[]args){publicDuckSimulatorsimulatornewDuckSimulator()DuckSimulatoricvoidmain(String[]args){publicDuckSimulatorsimulatornewDuckSimulator()//創(chuàng)建一個模擬器，}voidQuackablemallardDuck=newQuackCounter(newMallardDuck());redheadDuck=newQuackCounter(newRedheadDuck());duckCall=newQuackCounter(newDuckCall());rubberDuck=newQuackCounter(newRubberDuck());gooseDucknewGooseAdapter(newGoose());//通過把包裝進ln("\nDuckSimulator:Withsimulate(mallardDuck);//開始模擬每種鴨子simulate(gooseDuck);//一旦鵝被包裝起來，"times");//}voidsimulate(Quackable}}輸出DuckSimulator:WithDecoratorTheducksquacked需要一些質(zhì)量控制來確保鴨子一定是被包裝起來的要建造一個工廠,packageimport publicabstractclassAbstractDuckFactoryTheducksquacked需要一些質(zhì)量控制來確保鴨子一定是被包裝起來的要建造一個工廠,packageimport publicabstractclassAbstractDuckFactory子}packageDuckFactoryextends//publicQuackablecreateMallardDuck(){ returnnew}publicQuackablereturnnew}publicQuackablereturnnew}publicQuackablereturnnew}}packageCountingDuckFactoryextendspublicQuackablereturnnewQuackCounter(new}}packageCountingDuckFactoryextendspublicQuackablereturnnewQuackCounter(new}publicQuackablereturnnewQuackCounter(new}publicQuackablereturnnewQuackCounter(new}publicQuackablereturnnewQuackCounter(new}}11.廠 就會得到不同的產(chǎn)package。DuckSimulatoricvoidmain(String[]args){publicDuckSimulatorsimulatornewDuckSimulator()//創(chuàng)建一個模擬器，}voidsimulate(AbstractDuckFactoryduckFactory)//simulate()mallardDuck=duckFactory.createMallardDuck();redheadDuck=duckFactory.createRedheadDuck();duckCall=duckFactory.createDuckCall();rubberDuck=duckFactory.createRubberDuck();gooseDucknewGooseAdapter(newGoose());//通過把包裝進}voidsimulate(AbstractDuckFactoryduckFactory)//simulate()mallardDuck=duckFactory.createMallardDuck();redheadDuck=duckFactory.createRedheadDuck();duckCall=duckFactory.createDuckCall();rubberDuck=duckFactory.createRubberDuck();gooseDucknewGooseAdapter(newGoose());//通過把包裝進ln("\nDuckSimulator:Withsimulate(mallardDuck);//開始模擬每種鴨子simulate(gooseDuck);//一旦鵝被包裝起來，"times");//}voidsimulate(Quackable}}DuckSimulator:WithDecoratorTheducksquacked12.創(chuàng)建一群鴨子（實際上是一群package classFlockimplementsArrayListquackers=newpublicvoidadd(Quackablequacker){quackers.add(quacker);}publicvoidIteratoriterator=ArrayListquackers=newpublicvoidadd(Quackablequacker){quackers.add(quacker);}publicvoidIteratoriterator=whileQuackablequacker=(Quackable)iterator.next();}}}13.packageclassDuckSimulatorpublicicvoidmain(String[]DuckSimulatorsimulatornewDuckSimulator()//創(chuàng)建一個模擬器，}voidsimulate(AbstractDuckFactoryduckFactory)//simulate()方法需要//QuackablemallardDuck=redheadDuck=duckFactory.createRedheadDuck();duckCall=duckFactory.createDuckCall();rubberDuck=duckFactory.createRubberDuck();gooseDucknewGooseAdapter(newGoose());//通過把包裝進ln("\nDuckSimulator:WithDecorator-FlockflockOfDucks=newFlock();FlockflockOfMallards=newQuackablemallardOne=FlockflockOfDucks=newFlock();FlockflockOfMallards=newQuackablemallardOne=mallardTwo=mallardThree=duckFactory.createMallardDuck();mallardFour=duckFactory.createMallardDuck();;////simulate(gooseDuck);//一旦鵝被包裝起來 ln("\nDuckSimulator:WholeFlockln("\nDuckSimulator:MallardFlock"times");//}voidsimulate(Quackable}DuckSimulator:WithDecorator-DuckSimulator:WholeFlockDuckSimulator:MallardFlockTheducksquacked14.packageimporterfaceQuackObservableDuckSimulator:MallardFlockTheducksquacked14.packageimporterfaceQuackObservable publicvoidnotifyObservers()//}現(xiàn) 需要確定所有的Quackable都實現(xiàn)此接erfaceQuackableextendsQuackObservable publicvoidquack();//QuackableQuack（呱呱叫}15.須確定所有實現(xiàn)Quakable的具體類都能夠扮演QuackObservable要在另一個被稱為Observable的類中封裝和通知的代碼，然后將它和 publicclassObservableimplementsQuackObservableArrayList<Observer>duck6=newArrayList<Observer>();QuackObservableduck;publicObservable(QuackObservableduck)this.duck=}publicvoidregisterObserver(Observerobserver)}publicvoidnotifyObservers()Iterator<Observer>iterator=while(iterator.hasNext()){Observer}publicvoidnotifyObservers()Iterator<Observer>iterator=while(iterator.hasNext()){Observerduck6=iterator.next();}}publicIterator<Observer>getObservers()return}}16Observable輔助類和QuackableQuackable類是和ObservablepublicclassMallardDuck2extendsMallardDuckObservablepublicMallardDuck2()duck6=new}publicvoidquack()}publicvoid}observer)publicvoidnotifyObservers()}}17 erfaceObserverpublicvoidupdate(QuackObservable}publicclassQuackologistimplementsObserverpublicvoidupdate(QuackObservableduck)ln("Quackologist:"+duck+