java中对集合对象list的几种循环访问

public static void main(String[] args) {

List<String> list = new ArrayList();
list.add("123");
list.add("java");
list.add("j2ee");
System.out.println("=========Iterate循环=======");
Iterator<String> iter = list.iterator();
while(iter.hasNext()){
System.out.println(iter.next());
}

}