Java List. Iterator () method: iterates over the list elements

iterator()

Typical application

public static void main(String[] args){
    List<String>list = new ArrayList<String>();  //定义List集合对象list.add("保护环境"); //向列表中添加数据
    list.add("爱护地球");  //向列表中添加数据
    list.add("从我做起");  //向列表中添加数据
    Iterator it = list.iterator();  //获取Iterator对象
    while(it.hasNext()){  //循环遍历Iterator对象
    System.out.println(it.next());  //输出Iterator对象中的值
  }
}
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