!636
!class JavaTok

main {
  psvm {
    String out = "[[import]] java.*; [[import]] javax.*;";
    Set<Integer> markers = new HashSet<Integer>(getFindMarkers(out));
    String in = out.replace("[[", "").replace("]]", "");
    List<String> l = JavaTok.split(in);
    int i = 0;
    for (String t : l) {
      if (t.length() != 0 && markers.contains(i) && markers.contains(i+t.length()))
        System.out.println("Marked token found: " + t + " at " + i);
      i += t.length();
    }
  }
  
  static List<Integer> getFindMarkers(String s) {
    List<Integer> l = new ArrayList<Integer>();
    int i = 0, ofs = 0;
    while (i < s.length()) {
      int j = s.indexOf("[[", i);
      if (j < 0) break;
      int k = s.indexOf("]]", j+2);
      if (k < 0) break;
      l.add(j-ofs);
      ofs += 2;
      l.add(k-ofs);
      ofs += 2;
      i = k+2;
    }
    /*int[] result = new int[l.size()];
    for (i = 0; i < result.length; i++)
      result[i] = l.get(i);
    return result;*/
    return l;
  }
}