private StringBuilder makeDescription(Cluster<?> c){
  StringBuilder buf=new StringBuilder();
  buf.append("<div>");
  buf.append(c.getNameAutomatic());
  buf.append("<br />");
  buf.append("Size: " + c.size());
  buf.append("</div>");
  return buf;
}

private StringBuilder makeDescription ( Cluster < ? > c ) { StringBuilder buf = new StringBuilder ( ) ; buf . append ( "<div>" ) ; buf . append ( c . getNameAutomatic ( ) ) ; buf . append ( "<br />" ) ; buf . append ( "Size: " + c . size ( ) ) ; buf . append ( "</div>" ) ; return buf ; }
make an html description .
