下面的对于List下述对象al中元素进行遍历的方法中,哪个不对: List
al = new ArrayList
();
A.
for (int i=0;i System.out.println(al.get(i)); }
B.
for (String ele: al){ System.out.println(ele); }
C.
for (int i=0;i System.out.println(al.get(i)); }
D.
Iterator it = al.iterator(); while(it.hasNext()) System.out.println(it.next());