java编程高级文件-参考答案

-publicclassTest*@parampublicicvoidmain(String[]args)//-publicclassTest*@parampublicicvoidmain(String[]args)//TODOAuto-generatedmethodFilef=String[]sfor(String}}}2、编写一个java程序实现文件d:/io/copydes.docpublicclassFileCopy功能，要求将中的内容到public icvoidmain(String//FileFilef1=newFile("d:/io/copysrc.doc");Filef2=newFile("d:/io/copydes.doc");FileInputStreamfr=null;FileOutputStreamfw=null;tryfr=newFileInputStream(f1);fw=newbyte[]cbuf=newcbuf 成功}catch(FileNotFoundExceptione){ } 成功}catch(FileNotFoundExceptione){ }catch(IOExceptione){ }try}catch(IOExceptione){ }}}}3c:/test.txt文件并在其中输入olLd:\test.txt中实现步骤：1.Ctest.txtmain()mainpublicclassTestpublicicvoidmain(String[]args)publicclassTestpublicicvoidmain(String[]args)FileReaderf;Strings="";BufferedReadertryf=newFileReader("c:\\test.txt");br=newBufferedReader(f);s=s=s.replace("l",}catch(FileNotFoundExceptione)//TODOAuto-generatedcatch}catch(IOExceptione)//TODOAuto-generatedcatchblock try}catch(IOExceptione)//TODOAuto-generatedcatch}}BufferedWriterbw=null; try{FileWriterfw=new}}BufferedWriterbw=null; try{FileWriterfw=newFileWriter("d:\\test.txt");bw=newBufferedWriter(fw);}catch(IOExceptione)//TODOAuto-generatedcatchblock try}catch(IOExceptione)//TODOAuto-generatedcatch}}}}4Studentd:/io/student.txt文件中，Student对象的信息读出显示在控制台上，Student类的描述如下：classStudentimplements icfinallongStringid;Stringname;Stringbirth;UID=publicStudent(Stringid,Stringname,Stringthis.id=id;=name;this.birth=birth;}publicStringreturn"id="+id+"name="+name+"}}publicclassSerializationExercise{publics icvoidmain(Stringargs[]){Students1=newStudent("A001","Lucy","1986-06-tryreturn"id="+id+"name="+name+"}}publicclassSerializationExercise{publics icvoidmain(Stringargs[]){Students1=newStudent("A001","Lucy","1986-06-tryFileOutputStreamfos=newObjectOutputStreamoos=new }catch(FileNotFoundExceptione1){ }catch(IOExceptione2) }tryFileInputStreamfis=newObjectInputStreamois=new Studentss1=(Student)o