Podsumowanie wzorców projektowych GoF

}}new DvdRelease("DVDHBOSOPRAS2","The Sopranos Season 2",2001, 11, 6);DvdRelease xfilS5 =new DvdRelease("DVDFOXXFILES5","The X-Files Season 5",2002, 04, 1);btvs.newDvdRelease(btvsS2);simpsons.newDvdRelease(simpS2);sopranos.newDvdRelease(soprS2);xfiles.newDvdRelease(xfilS5);xfiles.removeSubscriber(wrosen);xfilS5.updateDvdReleaseDate(2002, 5, 14);xfiles.updateDvd(xfilS5);Klasy wzorca:DvdSubscriberpackage pk.dydakt.to.dp.b.gof.observer;public class DvdSubscriber {private String subscriberName;public DvdSubscriber(String subscriberNameIn) {this.subscriberName = subscriberNameIn;}public String getSubscriberName() {return this.subscriberName;}public void newDvdRelease(DvdRelease newDvdRelease,String subscriptionListName) {System.out.println("");System.out.println("Hello " + this.getSubscriberName() +", subscriber to the " +subscriptionListName +" DVD release list.");System.out.println("The new Dvd " +newDvdRelease.getDvdName() +" will be released on " +newDvdRelease.getDvdReleaseMonth() + "/" +newDvdRelease.getDvdReleaseDay() + "/" +newDvdRelease.getDvdReleaseYear() + ".");}public void updateDvdRelease(DvdRelease newDvdRelease,String subscriptionListName) {System.out.println("");System.out.println("Hello " + this.getSubscriberName() +", subscriber to the " +subscriptionListName +" DVD release list.");System.out.println("The following DVDs release has been revised: " +newDvdRelease.getDvdName() + " will be released on " +newDvdRelease.getDvdReleaseMonth() + "/" +48