public class Addjavaee {
public static void main(String[] args) {
List list = new ArrayList();
for (int i = 0; i < 6; i++) {
if (i % 3 == 0)
list.add("hello");
else if (i % 3 == 1)
list.add("world");
else
list.add("java");
}
/*
* for (int i = 0; i < list.size(); i++) { if ("world".equals((String)
* list.get(i))) { list.add("javaee"); break; } }
*/
for (Iterator iterator = list.iterator(); iterator.hasNext();) {
String s = (String) iterator.next();
if ("world".equals(s)) {
list.add("javaee");// 遍历的同时增加元素叫并发修改
// break;/*******************有break则不会出现异常************/
}
}
for (ListIterator iterator = list.listIterator(); iterator.hasNext();) {
System.out.println(iterator.next());
}
}