for (Iterator it = source.iterator(); it.hasNext();) { Object o = it.next(); target.add(this.findTarget(o));
if (source!=null && target != null){ for (Iterator it = source.iterator(); it.hasNext();) { Object o = it.next(); target.add(this.findTarget(o)); }
	private void fillCollection(Collection source, Collection target){		for (Iterator it = source.iterator(); it.hasNext();) {			Object o = it.next();			target.add(this.findTarget(o));		}	}