以下文字与答案无关
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ListIterator listIter = list.listIterator();
listIter.add(new Integer(0));
System.out.println("After add at beginning:"+list);
if ( listIter.hasNext() ) {
int i = listIter.nextIndex();
listIter.next();
listIter.set(new Integer(9));
System.out.println("After set at "+i+":"+list);}
if ( listIter.hasNext() ) {
int i = listIter.nextIndex();
listIter.next();
listIter.remove();
System.out.println("After remove at "+i+" : "+list);
}
">10.import java.util.*;public class ListIteratorDemo {
public static void main(String] args) {
List list = new ArrayList();
for(int i=1; i<5; i++){
list.add(new Integer(i));}
System.out.println("The original list : "+list);
ListIterator listIter = list.listIterator();
listIter.add(new Integer(0));
System.out.println("After add at beginning:"+list);
if ( listIter.hasNext() ) {
int i = listIter.nextIndex();
listIter.next();
listIter.set(new Integer(9));
System.out.println("After set at "+i+":"+list);}
if ( listIter.hasNext() ) {
int i = listIter.nextIndex();
listIter.next();
listIter.remove();
System.out.println("After remove at "+i+" : "+list);
}