用户名：灬亦凡
importj**a.io.BufferedReader;importj**a.io.BufferedWriter;im厂际视字再portj**a.io.File;importj**a.io.FileNotFoun钱倒张dException;importj**a.io.FileReader;importj**a.io.FileWriter;importj**a.io.IOException;publicclassStringRpl{publicstaticStringread(Filesrc){StringBufferres=newStringBuffer();Stringline=**ll;try{BufferedReaderreader=newBufferedR来自eader(newFileReader(src));while((line=reader.readLine哪古史原充朝握也反())!=**ll){res.append(line+"\n");}rea问答der.close();}catch(FileNotFoundExceptione){e.printStackTrace();}catch(IOExceptione){e.printStackTrace();}returnres.toString();}延publicstaticbooleanwrite(Stringcont,Filedist){try{BufferedWriterwriter=newBufferedWriter(newFileWriter(dist));writer.write(cont);writer.flush();writer.cl皇击石统ose();returntrue;}catch(IOExc空站认投目烈改贵海沿eptione){e.printStackTrace();returnfalse;}}publicStringRpl(){}publicstaticvoidmain(String[]args){Filesrc=newFile("a.txt");Stringcont=***.read(src);S刑热只伤女阳施促均督卷ystem.out.println(cont);//对得到的内容进行处理cont=cont.replaceAll("private","public");System.o曾负斤输清无ut.println(cont);//更新源文件System.out.println(StringRpl.write(cont,src));}
