[java][swing] tooltip для определенных слов в JTextPane

   int pointer = 0;
   SimpleAttributeSet red = new SimpleAttributeSet();
   StyleConstants.setForeground(red, Color.red);
   StyledDocument doc = jTextPane1.getStyledDocument();
   String searchStr = "слово, которое подсвечиваем";
   while ((pointer = jTextPane1.getText().indexOf(searchStr, pointer + 1)) != -1) {
      doc.setCharacterAttributes(pointer, searchStr.length(), red, false);
   }