删除集合中的元素请用迭代器

public static void main(String[] args) {
List<Integer> list=new ArrayList<Integer>(Arrays.<Integer>asList(1,2,3,5,6,8,9,3,5));
Iterator it=list.iterator();
while(it.hasNext()){
if((Integer)it.next()==3){
it.remove();
}
}
System.out.println(list);

}