public synchronized String readLine() throws IOException {
        count++;
        int newround = (count / 100) * 100;
        if (round != newround) {
            System.out.println(newround);
            round = newround;
        }
        return reader.readLine();
    }
@return
@throws IOException
@see java.io.BufferedReader#readLine()
resources/examples/research-src/nu/validator/batchresearch/CountingReadLine.java