Recuperation des dix derniers lignes d'une ligne de caractere

public static Map<Integer, List<String>> findInFile(File file, Pattern pattern) throws IOException {
    try (Scanner sc = new Scanner(file)) {
        Map<Integer, List<String>> results = new TreeMap<>();
        for (int line = 1; sc.hasNextLine(); line++) {
            Matcher matcher = pattern.matcher(sc.nextLine());
            if (matcher.find()) {
                List<String> result = new ArrayList<>(matcher.groupCount() + 1);
                for (int i = 0; i <= matcher.groupCount(); i++)
                    result.add(matcher.group(i));
                results.put(line, result);
            }
        }
        return results;
    }
}

public static void main(String[] args) throws Exception {
    Map<Integer, List<String>> map = findInFile(new File("C:/rsultat.txt"), Pattern.compile("BodetServiceTomcat\\.exe\\s+\\d+ Services\\s+\\d+\\s+([^\\s]+ Ko)"));
    for (Entry<Integer, List<String>> entry : map.entrySet())
        System.out.println("Result on line " + entry.getKey() + ": " + entry.getValue().get(1));
}

Result on line 4: 632�464 Ko