ssd3实验完全答案解析一,二

.ImplementingtheGourmetCoffeeSystem代码publicclassProduct{privateStringcode;privateStringdescription;感谢阅读privatedoubleprice;publicProduct(StringinitialCode,StringinitialDescription,doubleinitialPrice){感谢阅读this.code=initialCode;this.description=initialDescription;感谢阅读this.price=initialPrice;感谢阅读}publicStringgetCode(){returncode;}publicStringgetDescription(){感谢阅读returndescription;}.publicdoublegetPrice(){精品文档放心下载returnprice;}publicbooleanequals(Objectobject){return(objectinstanceofProduct)感谢阅读&&((Product)object).getCode()==this.getCode();谢谢阅读}publicStringtoString(){感谢阅读returngetCode()+"_"+getDescription()+"_"+getPrice();感谢阅读}}publicclassCoffeeextendsProduct{精品文档放心下载privateStringorigin;privateStringroast;privateStringflavor;.privateStringaroma;privateStringacidity;privateStringbody;publicCoffee(StringinitialCode,StringinitialDescription,doubleinitialPrice,StringinitialOrigin,StringinitialRoast,StringinitialFlavor,StringinitialAroma,StringinitialAcidity,StringinitialBody){谢谢阅读super(initialCode,initialDescription,initialPrice);this.origin=initialOrigin;this.roast=initialRoast;谢谢阅读this.flavor=initialFlavor;感谢阅读this.aroma=initialAroma;精品文档放心下载this.acidity=initialAcidity;感谢阅读this.body=initialBody;}publicStringgetOrigin(){谢谢阅读returnorigin;}publicStringgetRoast(){感谢阅读.returnroast;}publicStringgetFlavor(){谢谢阅读returnflavor;}publicStringgetAroma(){感谢阅读returnaroma;}publicStringgetAcidity(){精品文档放心下载returnacidity;}publicStringgetBody(){returnbody;}publicStringtoString(){精品文档放心下载returngetCode()+"_"+getDescription()+"_"+getPrice()+"_"谢谢阅读.+getOrigin()+"_"+getRoast()+"_"+getFlavor()+"_"感谢阅读+getAroma()+"_"+getAcidity()+"_"+getBody();谢谢阅读}}publicclassCoffeeBrewerextendsProduct{谢谢阅读privateStringmodel;privateStringwaterSupply;谢谢阅读privateintnumberOfCups;publicCoffeeBrewer(StringinitialCode,StringinitialDescription,谢谢阅读doubleinitialPrice,StringinitialModel,谢谢阅读StringinitialWaterSupply,intinitialNumberOfCups){super(initialCode,initialDescription,initialPrice);this.model=initialModel;精品文档放心下载this.waterSupply=initialWaterSupply;this.numberOfCups=initialNumberOfCups;精品文档放心下载}.publicStringgetModel(){谢谢阅读returnmodel;}publicStringgetWaterSupply(){谢谢阅读returnwaterSupply;}publicintgetNumberOfCups(){谢谢阅读returnnumberOfCups;}publicStringtoString(){精品文档放心下载returngetCode()+"_"+getDescription()+"_"+getPrice()+"_"精品文档放心下载+ getModel() + "_" + getWaterSupply()+ "_" +精品文档放心下载getNumberOfCups();}}.publicclassOrderItem{Productproduct;privateintquantity;publicOrderItem(ProductinitialProduct,intinitialQuantity){duct=initialProduct;感谢阅读this.quantity=initialQuantity;谢谢阅读}publicProductgetProduct(){谢谢阅读returnproduct;}publicintgetQuantity(){感谢阅读returnquantity;}publicvoidsetQuantity(intnewQuantity){this.quantity=newQuantity;精品文档放心下载}.publicdoublegetValue(){谢谢阅读returnproduct.getPrice()*this.getQuantity();感谢阅读}publicStringtoString(){谢谢阅读returngetQuantity()+""+product.getCode()+""谢谢阅读+product.getPrice();}}importjava.util.ArrayList;精品文档放心下载importjava.util.Iterator;感谢阅读publicclassCatalogimplementsIterable<Product>{privateArrayList<Product>products;感谢阅读publicCatalog(){products=newArrayList<Product>();精品文档放心下载}.publicvoidaddProduct(Productproduct){products.add(product);谢谢阅读}publicIterator<Product>getProductsIterator(){returnproducts.iterator();谢谢阅读}publicProductgetProduct(Stringcode){for(Productpro:products){感谢阅读if(pro.getCode().equals(code))谢谢阅读returnpro;}returnnull;}publicintgetNumberOfProducts(){感谢阅读returnproducts.size();}publicIterator<Product>iterator(){谢谢阅读.returnthis.getProductsIterator();感谢阅读}}importjava.util.ArrayList;谢谢阅读importjava.util.Iterator;谢谢阅读publicclassOrderimplementsIterable<OrderItem>{privateArrayList<OrderItem>items;精品文档放心下载publicOrder(){items=newArrayList<OrderItem>();感谢阅读}publicvoidaddItem(OrderItemorderItem){items.add(orderItem);谢谢阅读}publicvoidremoveItem(OrderItemorderItem){谢谢阅读.items.remove(orderItem);}publicIterator<OrderItem>getItemsIterator(){returnitems.iterator();谢谢阅读}publicOrderItemgetItem(Productproduct){for(OrderItemord:items){感谢阅读if(ord.getProduct().equals(product))精品文档放心下载returnord;}returnnull;}publicintgetNumberOfItems(){谢谢阅读returnitems.size();}publicIterator<OrderItem>iterator(){精品文档放心下载.returnthis.getItemsIterator();感谢阅读}publicdoublegetTotalCost(){感谢阅读doubletotalCost=0;for(OrderItemord:items){精品文档放心下载totalCost+=ord.getValue();精品文档放心下载}returntotalCost;}}importjava.util.ArrayList;精品文档放心下载importjava.util.Iterator;精品文档放心下载publicclassSalesimplementsIterable<Order>{privateArrayList<Order>orders;publicSales(){谢谢阅读orders=newArrayList<Order>();感谢阅读.}publicvoidaddOrder(Orderorder){谢谢阅读orders.add(order);}publicIterator<Order>getOrdersIterator(){returnorders.iterator();谢谢阅读}publicintgetNumberOfOrders(){谢谢阅读returnorders.size();}publicIterator<Order>iterator(){精品文档放心下载returnorders.iterator();}}importjava.io.*;.importjava.text.*;/**Thisclassimplementsagourmetcoffeesystem.感谢阅读@authorauthorname@version1.1.0@seeProduct@seeCoffee@seeCoffeeBrewer@seeCatalog@seeOrderItem@seeOrder*/publicclassGourmetCoffee{感谢阅读privatestaticBufferedReaderstdIn=精品文档放心下载newBufferedReader(newInputStreamReader(System.in));privatestaticPrintWriterstdOut=感谢阅读newPrintWriter(System.out,true);精品文档放心下载privatestaticPrintWriterstdErr=感谢阅读newPrintWriter(System.err,true);感谢阅读.privatestaticfinalNumberFormatCURRENCY=NumberFormat.getCurrencyInstance();精品文档放心下载privateCatalogcatalog;privateOrdercurrentOrder;谢谢阅读privateSalessales;/**Loadsdataintothecatalogandstartstheapplication.感谢阅读@paramargsStringarguments.Notused.谢谢阅读@throwsIOExceptionifthereareerrorsintheinput.*/感谢阅读publicstaticvoidmain(String[]args)throwsIOException{谢谢阅读GourmetCoffeeapplication=newGourmetCoffee();application.run();精品文档放心下载}/**.Constructsa<code>GourmetCoffee</code>objectand感谢阅读initializesthecatalogandsalesdata.感谢阅读*@paraminitialCatalogaproductcatalog*/感谢阅读privateGourmetCoffee(){this.catalog=loadCatalog();谢谢阅读this.sales=loadSales(this.catalog);精品文档放心下载this.currentOrder=newOrder();谢谢阅读}/**Createsanemptycatalogandthenaddproductstoit.谢谢阅读@returnaproductcatalog*/privateCatalogloadCatalog(){感谢阅读Catalogcatalog=newCatalog();感谢阅读catalog.addProduct(newCoffee(精品文档放心下载."C001","Colombia,Whole,1lb",17.99,谢谢阅读"Colombia","Medium","RichandHearty","Rich","Medium","Full"));感谢阅读catalog.addProduct(newCoffee(精品文档放心下载"C002","Colombia,Ground,1lb",18.75,谢谢阅读"Colombia","Medium","RichandHearty","Rich","Medium","Full"));谢谢阅读catalog.addProduct(newCoffee(感谢阅读"C003","ItalianRoasts,Whole,1lb",16.80,精品文档放心下载"LatinAmericanBlend","ItalianRoast","Darkandheavy","Intense","Low","Medium"));catalog.addProduct(newCoffee(感谢阅读"C004","ItalianRoasts,Ground,1lb",17.55,感谢阅读"LatinAmericanBlend","ItalianRoast","Darkandheavy","Intense","Low","Medium"));catalog.addProduct(newCoffee(感谢阅读"C005","FrenchRoasts,Whole,1lb",16.80,精品文档放心下载"LatinAmericanBlend","FrenchRoast","Bittersweet,fullintense",精品文档放心下载"Intense,full","None","Medium"));catalog.addProduct(newCoffeeBrewer("B001","HomeCoffeeBrewer",150.00,感谢阅读."Brewer100","Pourover",6));catalog.addProduct(newCoffeeBrewer("B002","CoffeeBrewer,2Warmers",200.00,"Brewer200","Pourover",12));catalog.addProduct(newCoffeeBrewer("B003","CoffeeBrewer,3Warmers",280.00,"Brewer210","Pourover",12));感谢阅读catalog.addProduct(newProduct("A001","AlmondFlavoredSyrup",9.00));catalog.addProduct(精品文档放心下载newProduct("A002","IrishCremeFlavoredSyrup",9.00));catalog.addProduct(感谢阅读newProduct("A003","MintFlavoredsyrup",9.00));catalog.addProduct(感谢阅读newProduct("A004","CaramelFlavoredSyrup",9.00));catalog.addProduct(谢谢阅读newProduct("A005","GourmetCoffeeCookies",12.00));精品文档放心下载returncatalog;}./**Initializesthesalesobject.*/感谢阅读privateSalesloadSales(Catalogcatalog){精品文档放心下载Salessales=newSales();谢谢阅读Order[]orders=newOrder[6];谢谢阅读orders[0]=newOrder();orders[0].addItem(newOrderItem(catalog.getProduct("C001"),5));sales.addOrder(orders[0]);精品文档放心下载orders[1]=newOrder();orders[1].addItem(newOrderItem(catalog.getProduct("C002"),2));orders[1].addItem(new谢谢阅读OrderItem(catalog.getProduct("A001"),2));orders[1].addItem(new谢谢阅读OrderItem(catalog.getProduct("A003"),2));sales.addOrder(orders[1]);精品文档放心下载.orders[2]=newOrder();orders[2].addItem(newOrderItem(catalog.getProduct("B002"),1));orders[2].addItem(new谢谢阅读OrderItem(catalog.getProduct("A003"),3));sales.addOrder(orders[2]);感谢阅读orders[3]=newOrder();orders[3].addItem(newOrderItem(catalog.getProduct("B003"),2));orders[3].addItem(new谢谢阅读OrderItem(catalog.getProduct("C001"),3));orders[3].addItem(new精品文档放心下载OrderItem(catalog.getProduct("C003"),3));orders[3].addItem(new感谢阅读OrderItem(catalog.getProduct("C005"),3));orders[3].addItem(new精品文档放心下载OrderItem(catalog.getProduct("A001"),3));orders[3].addItem(new感谢阅读OrderItem(catalog.getProduct("A004"),2));sales.addOrder(orders[3]);精品文档放心下载.orders[4]=newOrder();orders[4].addItem(newOrderItem(catalog.getProduct("B001"),1));orders[4].addItem(new精品文档放心下载OrderItem(catalog.getProduct("C002"),2));orders[4].addItem(new精品文档放心下载OrderItem(catalog.getProduct("C003"),2));orders[4].addItem(new谢谢阅读OrderItem(catalog.getProduct("A001"),2));orders[4].addItem(new感谢阅读OrderItem(catalog.getProduct("A002"),6));sales.addOrder(orders[4]);感谢阅读orders[5]=newOrder();orders[5].addItem(newOrderItem(catalog.getProduct("B001"),1));orders[5].addItem(new谢谢阅读OrderItem(catalog.getProduct("C001"),1));orders[5].addItem(new谢谢阅读OrderItem(catalog.getProduct("C005"),5));orders[5].addItem(new感谢阅读OrderItem(catalog.getProduct("A001"),5));精品文档放心下载.orders[5].addItem(newOrderItem(catalog.getProduct("A004"),4));感谢阅读sales.addOrder(orders[5]);感谢阅读returnsales;}/*Presentstheuserwithamenuofoptionsandexecutesthe感谢阅读selectedtask.*/privatevoidrun()throwsIOException{感谢阅读intchoice=getChoice();while(choice!=0){if(choice==1){displayCatalog();}elseif(choice==2){displayProductInfo();}elseif(choice==3){.displayOrder();}elseif(choice==4){addModifyProduct();}elseif(choice==5){removeProduct();}elseif(choice==6){saleOrder();}elseif(choice==7){displayOrdersSold();}elseif(choice==8){displayNumberOfOrders(readProduct());感谢阅读}elseif(choice==9){displayTotalQuantityOfProducts();谢谢阅读}choice=getChoice();}}/*Displaysamenuofoptionsandverifiestheuser'schoice.精品文档放心下载.@returnanintegerintherange[0,7]*/精品文档放心下载privateintgetChoice()throwsIOException{精品文档放心下载intinput;do{try{stdErr.println();stdErr.print("[0]Quit\n"+"[1]Displaycatalog\n"+"[2]Displayproduct\n"+"[3]Displaycurrentorder\n"谢谢阅读+"[4]Add|modifyproductto|incurrentorder\n"精品文档放心下载+"[5]Removeproductfromcurrentorder\n"谢谢阅读+"[6]Registersaleofcurrentorder\n"谢谢阅读+"[7]Displaysales\n"+"[8]Displaynumberoforderswithaspecificproduct\n"感谢阅读+"[9]Displaythetotalquantitysoldforeachproduct\n"感谢阅读+"choice>");.stdErr.flush();input=Integer.parseInt(stdIn.readLine());感谢阅读stdErr.println();if(0<=input&&9>=input){精品文档放心下载break;}else{stdErr.println("Invalidchoice:"+input);精品文档放心下载}}catch(NumberFormatExceptionnfe){stdErr.println(nfe);精品文档放心下载}}while(true);returninput;}/**Displaysthecatalog.*/.publicvoiddisplayCatalog(){精品文档放心下载intsize=this.catalog.getNumberOfProducts();谢谢阅读if(size==0){stdErr.println("Thecatalogisempty");}else{感谢阅读for(Productproduct:this.catalog){精品文档放心下载stdOut.println(product.getCode()+""+product.getDescription());谢谢阅读}}}/**Displaystheinformationofaproduct*/精品文档放心下载publicvoiddisplayProductInfo()throwsIOException{谢谢阅读Productproduct=readProduct();精品文档放心下载.stdOut.println("Description:"+product.getDescription());谢谢阅读stdOut.println("Price:"+product.getPrice());if(productinstanceofCoffee){精品文档放心下载Coffeecoffee=(Coffee)product;感谢阅读stdOut.println("Origin:"+coffee.getOrigin());谢谢阅读stdOut.println("Roast:"+coffee.getRoast());感谢阅读stdOut.println("Flavor:"+coffee.getFlavor());精品文档放心下载stdOut.println("Aroma:"+coffee.getAroma());感谢阅读stdOut.println("Acidity:"+coffee.getAcidity());谢谢阅读stdOut.println("Body:"+coffee.getBody());}elseif(productinstanceofCoffeeBrewer){感谢阅读CoffeeBrewerbrewer=(CoffeeBrewer)product;精品文档放心下载stdOut.println("Model:"+brewer.getModel());谢谢阅读stdOut.println(" Water Supply:精品文档放心下载brewer.getWaterSupply());stdOut.println(" Number of Cups:精品文档放心下载brewer.getNumberOfCups());谢谢阅读}

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++.}/**Displaysthecurrentorder.*/谢谢阅读publicvoiddisplayOrder(){精品文档放心下载intsize=this.currentOrder.getNumberOfItems();谢谢阅读if(size==0){stdErr.println("Thecurrentorderisempty");}else{谢谢阅读for(OrderItemorderItem:this.currentOrder){stdOut.println(orderItem.toString());精品文档放心下载}stdOut.println("Total:"+谢谢阅读CURRENCY.format(this.currentOrder.getTotalCost()));精品文档放心下载}}/***Modifiesthecurrentorder:ifthespecifiedproductisnot谢谢阅读.alreadypartoftheorder,itisadded;otherwise,thequantityofthe感谢阅读specifiedproductisupdated.精品文档放心下载*/publicvoidaddModifyProduct()throwsIOException{谢谢阅读Productproduct=readProduct();谢谢阅读intquantity=readQuantity();谢谢阅读OrderItemorderItem=this.currentOrder.getItem(product);谢谢阅读if(orderItem==null){this.currentOrder.addItem(newOrderItem(product,quantity));精品文档放心下载stdOut.println("Theproduct"+product.getCode()感谢阅读+"hasbeenadded");}else{orderItem.setQuantity(quantity);精品文档放心下载stdOut.println("Thequantityoftheproduct"+感谢阅读product.getCode()+"hasbeenmodified");谢谢阅读}}./**Removesaproductfromthecurrentorder.*/感谢阅读publicvoidremoveProduct()throwsIOException{感谢阅读Productproduct=readProduct();感谢阅读OrderItemorderItem=this.currentOrder.getItem(product);感谢阅读if(orderItem!=null){this.currentOrder.removeItem(orderItem);谢谢阅读stdOut.println("Theproduct"+product.getCode()感谢阅读+"hasbeenremovedfromthecurrentorder");精品文档放心下载}else{stdErr.println("Therearenoproductsinthecurrentorderwiththatcode");感谢阅读}}/**Registersthesaleofthecurrentorder.*/谢谢阅读.publicvoidsaleOrder(){if(this.currentOrder.getNumberOfItems()>0){this.sales.addOrder(this.currentOrder);this.currentOrder=newOrder();精品文档放心下载stdOut.println("Thesaleoftheorderhasbeenregistered");精品文档放心下载}else{stdErr.println("Thecurrentorderisempty");感谢阅读}}/**Displaystheordersthathavebeensold.*/精品文档放心下载publicvoiddisplayOrdersSold(){感谢阅读intnumOrders=this.sales.getNumberOfOrders();感谢阅读if(numOrders!=0){intorderNumber=1;for(Order