result.setLenient( false );
	public static DateFormat getDateTimeInstance( int dateStyle, int timeStyle,			ULocale locale )	{		//DateFormatIdentifier key = new DateFormatIdentifier(dateStyle,timeStyle,locale) ;		String key = String.valueOf( dateStyle )				+ ":" + String.valueOf( timeStyle ) + ":" + locale.getName( );		DateFormat result = (DateFormat) dateTimeFormatholder.get( key );				//This code block is added to solve the problem that the uncached datetimeformatter being used			if ( result == null )		{			synchronized ( dateTimeFormatholder )			{				result = (DateFormat) dateTimeFormatholder.get( key );				if ( result == null )				{					result = DateFormat.getDateTimeInstance( dateStyle,							timeStyle,							locale );					dateTimeFormatholder.put( key, result );				}			}		}				return result;	}