Update 0707.设计链表.md

Java版本缺少ListNode的定义。
2021-05-26 21:00:55 +08:00 · 2021-05-26 21:00:55 +08:00 · f5c797b50d
parent b2c04ffbca
commit f5c797b50d
1 changed files with 8 additions and 0 deletions
--- a/problems/0707.设计链表.md
+++ b/problems/0707.设计链表.md
@ -158,6 +158,14 @@ private:

 Java：
 ```Java
+class ListNode {
+int val;
+ListNode next;
+ListNode(){}
+ListNode(int val) {
+this.val=val;
+}
+}
 class MyLinkedList {
    //size存储链表元素的个数
    int size;