@@ -0,0 +1,201 @@
+package datastructure.listnode;%0A%0A// Class definition for ListNode%0Apublic class ListNode %7B%0A  public int val;%0A  %0A  public ListNode next;%0A  %0A  public ListNode(int x) %7B%0A    val = x;%0A    next = null;%0A  %7D%0A%7D%0A

Create ListNode.java