code: public static String join( Object[] objects, char sep )
  	{
  		if( objects.length == 0 )
  		{
  			return "";
  		}
  		StringBuffer buffer = new StringBuffer( objects[0].toString() );
  		for (int i = 1; i < objects.length; i++)
  		{
  			buffer.append( sep );
  			buffer.append( objects[i].toString() );
  		}
  		return buffer.toString();
  	}
docs: Join the <tt>String</tt> representations of an array of objects, with the specified
  separator.
  
  @param objects the objects
  @param sep the sep
  @return  newly created .