ThreadResource tr = ThreadResource.getInstance();
Random r = tr.getRandom();
StringBuilder buffer = tr.getBuffer();
buffer.append(r.makeNString(1, 5)).append(' '); // number
RandomUtil.randomName(r, buffer, 1, 11); // street
String streetExt = STREETEXTS[r.random(0, STREETEXTS.length - 1)];
if (streetExt.length() > 0)
buffer.append(' ').append(streetExt);
fields[0] = buffer.toString();