遍历List的四种方式

public static void main(String[] args) {
     LinkedList<String> linkedList = new LinkedList<>();
     linkedList.add("双");
     linkedList.add("向");
     linkedList.add("链");
     linkedList.add("表");
     //可迭代 list set map 类型
     //Iterator<String> iterator = linkedList.iterator();
     // 只能迭代list类型，相比于iterator()能实现hasPrevious()、previous()前置遍历和对对象的修改set()和删除remove()
     Iterator<String> iterator = linkedList.listIterator();
     //迭代
     while (iterator.hasNext()) {
         String temp = iterator.next();
         System.out.println(temp);
     }
     //fori
     for (int i = 0; i < linkedList.size(); i++) {
         System.out.println(linkedList.get(i));
     }
     //增强for循环
     for (String s : linkedList) {
         System.out.println(s);
     }
     //stram()遍历
     linkedList.stream().forEach(s -> {
         System.out.println(s);
     });

 }