code: public void set(byte b, Collection c) {
  		if ((c != null) && (c.size() > 0)) {
  			StringBuilder sb = new StringBuilder();
  			Iterator it = c.iterator();
  			while (it.hasNext()) {
  				String s = (String) it.next();
  				sb.append(s);
  				if (it.hasNext())
  					sb.append(lineSeparator);
  			}
  			set(b, sb.toString());
  		} else
  			remove(b);
  	}
docs: Set the whole content of field b <br>
  Create one line per collection element