private static Date checkSameDate(final List<VoteDataDto> voteList) throws ParseException {
		final Set<String> set = new HashSet<>();
		Date result=null;

		for (final VoteDataDto voteData : voteList) {
			final String voteDate = voteData.getVoteDate();
			if (voteDate !=null && voteDate.length() >= YYYY_MM_DD.length()) {
				set.add(voteData.getVoteDate());
			}
		}

		if (set.size() ==CONTAINS_ONE) {
			final String dateString = set.iterator().next();
			result=new SimpleDateFormat(YYYY_MM_DD,Locale.ENGLISH).parse(dateString);
		}
		return result;
	}
private static Date checkSameDate(final List<VoteDataDto> voteList) throws ParseException {
		final Set<String> set = new HashSet<>();
		Date result=null;

		for (final VoteDataDto voteData : voteList) {
			final String voteDate = voteData.getVoteDate();
			if (voteDate !=null && voteDate.length() >= YYYY_MM_DD.length()) {
				set.add(voteData.getVoteDate());
			}
		}

		if (set.size() ==CONTAINS_ONE) {
			final String dateString = set.iterator().next();
			result=new SimpleDateFormat(YYYY_MM_DD,Locale.ENGLISH).parse(dateString);
		}
		return result;
	}
private static Date checkSameDate ( final List < VoteDataDto > voteList ) throws ParseException { final Set < String > set = new HashSet <> ( ) ; Date result = null ; for ( final VoteDataDto voteData : voteList ) { final String voteDate = voteData . getVoteDate ( ) ; if ( voteDate != null && voteDate . length ( ) >= YYYY_MM_DD . length ( ) ) { set . add ( voteData . getVoteDate ( ) ) ; } } if ( set . size ( ) == CONTAINS_ONE ) { final String dateString = set . iterator ( ) . next ( ) ; result = new SimpleDateFormat ( YYYY_MM_DD , Locale . ENGLISH ) . parse ( dateString ) ; } return result ; }
Check same date.

@param voteList
the vote list
@return the date
@throws ParseException
the parse exception
Check same date .