diff --git a/src/main/java/com/nbee/solution/solution/ListNode.java b/src/main/java/com/nbee/solution/solution/ListNode.java
new file mode 100644
index 0000000..37fd893
--- /dev/null
+++ b/src/main/java/com/nbee/solution/solution/ListNode.java
@@ -0,0 +1,20 @@
+package com.nbee.solution.solution;
+
+public class ListNode {
+    int val;
+    ListNode next;
+
+    ListNode() {
+    }
+
+    ListNode(int val) {
+        this.val = val;
+    }
+
+    ListNode(int val, ListNode next) {
+        this.val = val;
+        this.next = next;
+    }
+}
+
+