From b1fef6d2cfa4de9854f59e46811a559409f8c1e8 Mon Sep 17 00:00:00 2001
From: Konrad Kelly <Kelly.Konrad@student.greenriver.edu>
Date: Mon, 12 May 2025 11:52:05 -0700
Subject: [PATCH] added link-list nodes and counter

---
 src/ListNode.java |  8 +++++++-
 src/Practice.java | 26 +++++++++++++++++++++++---
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/src/ListNode.java b/src/ListNode.java
index dd6028c..6bf2c68 100644
--- a/src/ListNode.java
+++ b/src/ListNode.java
@@ -1,3 +1,9 @@
+// recursive data-structure
 public class ListNode {
-    
+    public int data;
+    public ListNode next;
+
+    public ListNode(int data) {
+        this.data = data;
+    }
 }
\ No newline at end of file
diff --git a/src/Practice.java b/src/Practice.java
index 34a2f8d..adccde4 100644
--- a/src/Practice.java
+++ b/src/Practice.java
@@ -1,5 +1,25 @@
-public class Practice {
+public class Main {
     public static void main(String[] args) {
+        ListNode head = new ListNode(14);
+        ListNode mySeven = new ListNode(7);
         
-    }
-}
+        head.next = mySeven;
+
+        mySeven.next = new ListNode(28);
+        head.next.next.next = new ListNode(32);
+        head.next.next.next.next = new ListNode(23);
+        System.out.println();
+        //System.out.println(head.data);
+
+        ListNode current = head;
+        head = new ListNode(888);
+        System.out.println(head.data);
+        
+        int total = 0;
+        while(current != null) {
+         total += current.data;
+         current = current.next;
+      }
+      System.out.println(total);
+   }
+}
\ No newline at end of file