static boolean isBlank(String value) {
		if (value == null) {
			return true;
		}

		for (char character : value.toCharArray()) {
			if (!Character.isWhitespace(character)) {
				return false;
			}
		}

		return true;
	}
static boolean isBlank(String value) {
		if (value == null) {
			return true;
		}

		for (char character : value.toCharArray()) {
			if (!Character.isWhitespace(character)) {
				return false;
			}
		}

		return true;
	}
static boolean isBlank ( String value ) { if ( value == null ) { return true ; } for ( char character : value . toCharArray ( ) ) { if ( ! Character . isWhitespace ( character ) ) { return false ; } } return true ; }
Check that given string is blank.

@param value String to check.
@return {@code true} if string is blank, {@code false} otherwise.
Check that given string is blank .