java 成绩处理

import java.io.*;
import java.util.*;

public class Test {
	public static void main(String[] args) {
		File fread=new File("score.txt");
		File fwritw=new File("s.txt");
		try{
			Writer out=new FileWriter(fwritw);
			BufferedWriter bufferedWriter=new BufferedWriter(out);
			Reader in=new FileReader(fread);
			BufferedReader buffread=new BufferedReader(in);
			String str=null;
			while((str=buffread.readLine())!=null){
				double total=Fenxi.getTotalScore(str);
				str=str+"总分："+total;
				System.out.print(str);
				bufferedWriter.write(str);
				bufferedWriter.newLine();
			}
			buffread.close();
			bufferedWriter.close();
			
		}
		catch(IOException e){
			System.out.print(e.toString());
		}
	}

}

import java.util.*;

public class Fenxi {
	public static double getTotalScore(String s){
		Scanner sanner=new Scanner(s);
		sanner.useDelimiter("[^0123456789.]+");
		double totalScore=0;
		while(sanner.hasNext()){
			try{
				double score=sanner.nextDouble();
				totalScore=totalScore+score;
			}
			catch(InputMismatchException exp){
				String t=sanner.next();
				
				
			}
		}
		return totalScore;
	}

}