docs: public static String join(final String delimiter, final Object... elements)
  	{
  		final StringBuilder sb = new StringBuilder();
  		for (final Object part : elements)
  		{
  			if (part == null)
  			{
  				continue;
  			}
  			if (sb.length() > 0)
  			{
  				sb.append(delimiter);
  			}
  			sb.append(part.toString());
  		}
  		return sb.toString();
  	}