public String toString() { StringBuffer sbuf = new StringBuffer(12 * size()); for (Iterator it = idMap.keySet().iterator(); it.hasNext();) { sbuf.append((String) it.next()); if (it.hasNext()) { sbuf.append(", "); } } return sbuf.toString(); }
public String toString() {  return wrappedSet.toString(); }
    public String toString()    {        StringBuffer sbuf = new StringBuffer(12 * size());        for (Iterator it = idMap.keySet().iterator(); it.hasNext();)        {            sbuf.append((String) it.next());            if (it.hasNext())            {                sbuf.append(", ");            }        }        return sbuf.toString();    }