}
		public synchronized String toString() {			String keys[] = getPropertyKeys();			int size = keys.length;			StringBuffer sb = new StringBuffer(20 * size);			sb.append('{');			int n = 0;			for (int i = 0; i < size; i++) {				String key = keys[i];				if (!key.equals(Constants.OBJECTCLASS)) {					if (n > 0) {						sb.append(", "); //$NON-NLS-1$					}					sb.append(key);					sb.append('=');					sb.append(get(key));					n++;				}			}			sb.append('}');			return (sb.toString());		}