(完整版)上機(jī)練習(xí)1

上機(jī)練習(xí)11題目：使用簡單工廠模式設(shè)計(jì)一個(gè)可以創(chuàng)建不同幾何形狀 （如圓形、方形和三角形等）的繪圖工具，每個(gè)幾何圖形都要有繪制 draw()和擦除erase()兩個(gè)方法，要求在繪制不支持的幾何圖形時(shí)，提示一個(gè) UnSupportedException。publicclassClient{publicstaticvoidmain(Stringargs[]){try{tuxingtx;Stringshape=XMLUtiltx.getshape();tx=txFducetx(shape);tx.draw();tx.erase();}catch(Exceptione){}}}classXMLUtiltx{//該方法用于從XML配置文件中提取形狀，并返回該形狀名稱publicstaticStringgetshape(){try{//創(chuàng)建文檔對(duì)象DocumentBuilderFactory dFactory =DocumentBuilderFactory.newInstance();DocumentBuilderbuilder=dFactory.newDocumentBuilder();Documentdoc;doc=builder.parse(newFile("configtx.xml"));//獲取包含圖形名稱的文本節(jié)點(diǎn)NodeListnl=doc.getElementsByTagName("shape");NodeclassNode=nl.item(0).getFirstChild();Stringshape=classNode.getNodeValue().trim();returnshape;}catch(Exceptione){e.printStackTrace();returnnull;}}}interfacetuxing{publicvoiddraw();publicvoiderase();}classtriangleimplementstuxing{publicvoiddraw(){正在繪制三角形");}publicvoiderase(){正在擦除三角形");}}classrectangleimplementstuxing{publicvoiddraw(){正在繪制方形");}publicvoiderase(){正在擦除方形");}}classcircleimplementstuxing{publicvoiddraw(){正在繪制圓形");}publicvoiderase(){正在擦除圓形");}}classtxFactory{publicstatictuxingproducetx(Stringshape)throwsException{if(shape.equalsIgnoreCase("triangle")){繪制三角形");returnnewtriangle();}elseif(shape.equalsIgnoreCase("rectangle")){繪制方形！");returnnewrectangle();}elseif(shape.equalsIgnoreCase("circle")){繪制圓形！");returnnewcircle();}else{thrownewException("對(duì)不起，不支持繪制該圖形！ ");}}}題目：使用簡單工廠模式模擬女媧（Nvwa）造人（Person），如果傳入?yún)?shù)M，則返回一個(gè)Man對(duì)象，如果傳入?yún)?shù)W，則返回一個(gè)Woman對(duì)象，用Java語言實(shí)現(xiàn)該場景?，F(xiàn)需要增加一個(gè)新的Robot類，如果傳入?yún)?shù)R，則返回一個(gè)Robot對(duì)象，對(duì)代碼進(jìn)行修改并注意女媧的變化。publicclassClient{publicstaticvoidmain(Stringargs[]){try{Peoplep;Stringsex=XMLUtilpeople.getsex();p=Nducepeople(sex);p.makepeople();}catch(Exceptione){}}}classXMLUtilpeople{//該方法用于從XML配置文件中提取性別，并返回該性別publicstaticStringgetsex(){try{//創(chuàng)建文檔對(duì)象DocumentBuilderFactory dFactory =DocumentBuilderFactory.newInstance();DocumentBuilderbuilder=dFactory.newDocumentBuilder();Documentdoc;doc=builder.parse(newFile("configpeople.xml"));//獲取包含性別的文本節(jié)點(diǎn)NodeListnl=doc.getElementsByTagName("sex");NodeclassNode=nl.item(0).getFirstChild();Stringsex=classNode.getNodeValue().trim();returnsex;}catch(Exceptione){e.printStackTrace();returnnull;}}}interfacePeople{publicvoidmakepeople();}classManimplementsPeople{publicvoidmakepeople(){女媧造人——男");}}classWomanimplementsPeople{publicvoidmakepeople(){女媧造人——女");}}classRobotimplementsPeople{publicvoidmakepeople(){女媧造人——機(jī)器人");}}classNvwa{publicstaticPeopleproducepeople(Stringsex)throwsException{if(sex.equalsIgnoreCase("M")){女媧造出一個(gè)男孩！");returnnewMan();}elseif(sex.equalsIgnoreCase("W")){女