throw new IllegalStateException("o2 isn't a List???");
@SuppressWarnings("unchecked")
List<Object> l2 = (List<Object>) o2;
l2.add(0, new Long(33123456789L));
j2ls = new Java2LSExt(o2);
String newLSStr3 = j2ls.toLSExt();
System.out.println("Dritter toLSExt:");
System.out.println(newLSStr3);
l2.add(0, new Integer(7));
l2.add(0, new Short((short) 13));
l2.add(0, new Byte((byte) 27));