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页数:16页
时间:2020-05-15
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1、信息工程学院实验报告的内容与格式按任课教师的要求书写。Java程序设计实验/实习报告学院:信息工程学院班级:软件工程123姓名:刘杰学号:2012013413成绩:多线程异常处理一、实验/实习过程实验题1修改实验二实验题4,声明一个局部变量Stringtext="";然后通过循环把数组中的成员(有序)添加到text中,修改方法JOptionPane.showMessageDialog();参数以显示text。实验过程:与上次实验中的实验四相同,只是添加一个局部变量Stringtext="",赋值到text中,通过JOptionPane.showMessag
2、eDialog();方法输出。实验代码:Store类:packagecn.edu.nwsuaf.jp.p4;importjava.util.Arrays;importjavax.swing.JOptionPane;importcn.edu.nwsuaf.jp.p4.data.MP3Player;importcn.edu.nwsuaf.jp.p4.data.Mobile;importcn.edu.nwsuaf.jp.p4.data.Product;publicclassStore{publicstaticvoidmain(String[]args){Mobi
3、lemobile1=newMobile("E365onChinaMobile",1780.0f);Mobilemobile2=newMobile("M330onChinaMobile",1450.0f);MP3Playerplayer1=newMP3Player("MeizoX3",256,399.0f);MP3Playerplayer2=newMP3Player("MeizoE5",512,580.0f);MP3Playerplayer3=newMP3Player("XliveXMMP3Player",256,930.0f);Product[]produ
4、cts={mobile1,mobile2,player1,player2,player3};Arrays.sort(products);Stringtext="";for(inta=0;a5、gecn.edu.nwsuaf.jp.p4.data;publicclassMobileextendsProduct{publicMobile(Stringname,floatprice){super(name,price);}publicStringtoString(){returnname+price+"RMB";}}MP3Palyer类:packagecn.edu.nwsuaf.jp.p4.data;publicclassMP3PlayerextendsProduct{publicintmemory;publicMP3Player(Stringnam6、e,intmemory,floatprice){super(name,price);this.memory=memory;}publicintgetMemory(){returnmemory;}publicvoidsetMemory(intmemory){this.memory=memory;}@OverridepublicStringtoString(){returnname+"("+memory+"MB),"+price+"RMB";}}Product类:packagecn.edu.nwsuaf.jp.p4.data;publicabstractcla7、ssProductimplementsComparable{protectedStringname;protectedfloatprice;protectedstaticintcount;protectedProduct(Stringname,floatprice){this.name=name;this.price=price;++count;}publicStringgetName(){returnname;}publicfloatgetPrice(){returnprice;}publicstaticintgetCount(){re8、turncount;}publicintcompareTo(Pro
5、gecn.edu.nwsuaf.jp.p4.data;publicclassMobileextendsProduct{publicMobile(Stringname,floatprice){super(name,price);}publicStringtoString(){returnname+price+"RMB";}}MP3Palyer类:packagecn.edu.nwsuaf.jp.p4.data;publicclassMP3PlayerextendsProduct{publicintmemory;publicMP3Player(Stringnam
6、e,intmemory,floatprice){super(name,price);this.memory=memory;}publicintgetMemory(){returnmemory;}publicvoidsetMemory(intmemory){this.memory=memory;}@OverridepublicStringtoString(){returnname+"("+memory+"MB),"+price+"RMB";}}Product类:packagecn.edu.nwsuaf.jp.p4.data;publicabstractcla
7、ssProductimplementsComparable{protectedStringname;protectedfloatprice;protectedstaticintcount;protectedProduct(Stringname,floatprice){this.name=name;this.price=price;++count;}publicStringgetName(){returnname;}publicfloatgetPrice(){returnprice;}publicstaticintgetCount(){re
8、turncount;}publicintcompareTo(Pro
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