feat: 2025-10-27打卡

237.delete-node-in-a-linked-list.java

@@ -0,0 +1,33 @@
+/*
+ * @lc app=leetcode id=237 lang=java
+ *
+ * [237] Delete Node in a Linked List
+ */
+
+// @lc code=start
+/**
+ * Definition for singly-linked list.
+ * public class ListNode {
+ *     int val;
+ *     ListNode next;
+ *     ListNode(int x) { val = x; }
+ * }
+ */
+class Solution {
+    public void deleteNode(ListNode node) {
+        if(node == null || node.next == null) {
+            return;
+        }
+        ListNode cur = node, prev = null;
+        while(cur!=null && cur.next!=null) {
+            cur.val = cur.next.val;
+            prev = cur;
+            cur = cur.next;
+        }
+        if(prev != null) {
+            prev.next = null;
+        }
+    }
+}
+// @lc code=end
+