分析成绩单

package ytu.edu;

import java.io.*;

import java.util.*;

public class AnailsisResult {

public static void main(String[] args){

File fRead=new File("score.txt");

File fWriter=new File("scoreAnalysis.txt");

try{

Writer out=new FileWriter(fWriter,true);

BufferedWriter bufferWrite=new BufferedWriter(out);

Reader in=new FileReader(fRead);

BufferedReader bufferRead=new BufferedReader(in);

String str=null;

while((str=bufferRead.readLine())!=null){

double totalScore=Fenxi.getTotalScore(str);

str=str+"总分:"+totalScore;

System.out.println(str);

bufferWrite.write(str);

bufferWrite.newLine();

}

bufferRead.close();

bufferWrite.close();

}

catch(IOException e){

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

}

}

}

package ytu.edu;

import java.util.*;

public class Fenxi {

public static double getTotalScore(String s) {

Scanner scanner=new Scanner(s);

scanner.useDelimiter("[^0123456789.]+");

double totalScore=0;

while(scanner.hasNext()){

try{

double score=scanner.nextDouble();

totalScore=totalScore+score;

}

catch(InputMismatchException exp){

String t=scanner.next();

}

}

return totalScore;

}

}