/src/main/java/org/htmlunit/html/HtmlPage.java
elementToGiveFocus = elements.get( index + 1) ;final Short i2 = element2.getTabIndex( ) ;
final Short i2 = element2.getTabIndex ( ) ;
tabbableElements.sort(createTabOrderComparator()); return Collections.unmodifiableList(tabbableElements); } private static Comparator<HtmlElement> createTabOrderComparator() { return (element1, element2) -> { final Short i1 = element1.getTabIndex(); <extra_id_0> final short index1; if (i1 == null) { index1 = -1; } else { index1 = i1.shortValue();