while((str=bufferRead.readLine())!=null) { double totalScore=Fenxi.getTotalScore(str); str = str+\总成绩:\ System.out.println(str); bufferWrite.write(str); bufferWrite.newLine(); }

bufferRead.close(); bufferWrite.close(); }

catch(IOException e) {

System.out.println(e.toString()); } } }

Fenxi.java

import java.util.*; public class Fenxi {

public static double getTotalScore(String s) {

String regex=\匹配非数字的正则表达识 String digitMess=s.replaceAll(regex,\

StringTokenizer fenxi = new StringTokenizer(digitMess,\ double totalScore=0;

while(fenxi.hasMoreTokens()){

double score = Double.parseDouble(fenxi.nextToken()); totalScore = totalScore+score; }

return totalScore; } }

请补充完毕程序，并运行截图。40分，每空10分。

1. 2. 3. 4.

任务2 文件拷贝

请把一个图片文件在系统盘下进行复制 .60分