public static void leerArchivo() {
        String sInput;
        try {
           FileReader fr = new FileReader("c:\\javatecsup\\javatecsup");
           BufferedReader br = new BufferedReader(fr);
            while ((sInput = br.readLine()) != null) {
                System.out.println(sInput);
            }
            br.close();
            fr.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }