Java读取txt文件，计算2011年9月份的通话时间

public class test2 {  

/**
* @param args
* @throws IOException
    */
    public static void main(String[] args) throws IOException {
        // TODO Auto-generated method stub
        File file = new File("C:\\Users\\Administrator\\Desktop\\a.txt");
        FileInputStream inStream =new FileInputStream(file);
        BufferedReader in = new BufferedReader(new FileReader(file));
        int call=0,i=0;
        String line=null;
        while((line=in.readLine())!=null ){
            //System.out.println(line);
            int a=Integer.decode(line);
            System.out.println(a+"秒");
            call+=a;
            i++;
        }
        while(inStream.read()!=-1){
            //System.out.println(inStream.toString());
            //call+=inStream.read();
        }
        int hour=call/3600;
        int minute=(call%3600)/60;
        int second=(call%60);
        System.out.println(call+"秒");
        System.out.println("共有"+i+"条记录，通话时间："+hour+"小时"+minute+"分钟"+second+"秒");
        System.out.print(hour*3600+minute*60+second+"秒");
    }
}  

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