sets the time at which this comment was made . concode_field_sep User _author concode_elem_sep String _content concode_elem_sep DateTime _timestamp concode_field_sep void setAuthor concode_elem_sep User getAuthor concode_elem_sep DateTime getTimePosted concode_elem_sep int hashCode concode_elem_sep String getContent concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep int compareTo
void function ( DateTime arg0 ) { _timestamp = arg0 ; }