package first;

import java.io.*;
import java.util.*;
public class AnalysisResult {



	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		File fRead=new File("score.txt");
		File fWrite=new File("scoreAnalysis.txt");
		try{
			Writer out=new FileWriter(fWrite,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+"總分："+totalScore;
				System.out.println(str);
				bufferWrite.write(str);
				bufferWrite.newLine();
		}
			bufferRead.close();
			bufferWrite.close();
		}
		catch(IOException e){
			System.out.println(e.toString());
		}
	}
}



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;
	}

}
 

score.txt

姓名：張三，數學72分，物理67分，英語70分。
姓名：李四，數學92分，物理98分，英語88分。
姓名：週五，數學68分，物理80分，英語77分。