- list 是一个合法的集合引用 - getCollection() 返回一个合法集合的引用 哪两个是合法的()
A、for(Object o ; list)
B、for(Object o : list.iterator())
C、for(Object o : getCollection())
D、for(Iterator i = list.iterator(); i.hasNext (); )
A、for(Object o ; list)
B、for(Object o : list.iterator())
C、for(Object o : getCollection())
D、for(Iterator i = list.iterator(); i.hasNext (); )
A、A. Collections.reverseSort(list, new MyComparator()); B、B. Collections.sort(list, new MyComparator()); list.reverse(); C、C. Collections.sort(list, new InverseComparator( new MyComparator())); D、D. Collections.sort(list, Collections.reverseOrder( new MyComparator()));
A、public void addStrings(List list) { B、public void addStrings(List<String> list) { C、public void addStrings(List<? super String> list) { D、public void addStrings(List<? extends String> list) {  B,C
A、 the L4TM allow list overrides the block list B、 the overlap of the L4TM allow list and block list is the L4TM grey list C、 the L4TM block lists override the allow lists D、 L4TM allow list and block list overlaps are not permitted
A、 3,2,1, B、 1,2,3, C、 Compilation fails. D、 The code runs with no output. E、 An exception is thrown at runtime.
A、 add this code after line 11: list = (List
A、 for(Object o : list) B、 for(Iterator o : list) C、 for(Object o : list.iterator()) D、 for(Iterator o : list.iterator(); o.hasNext (); )
A、prefix-list, route-map, filter-list, distribute list B、route-map, filter-list, prefix-list, distribute-list C、route-map, distribute-list, prefix-list, filter-list D、filter-list, prefix list, route-map, distribute list E、distribute list, prefix-list, route-map, fitter list
A、 for(Object o : list) B、 for(Iterator o : list) C、 for(Object o : list.iterator()) D、 for(Iterator o : list.iterator(); o.hasNext (); )
A、for(char o: list) B、for(Object o: getList()) C、for(Object o: getList();) D、for(Object o: o.getList())