From 4d5c78fcd689cc115b6e74b12b5102ba7c77d365 Mon Sep 17 00:00:00 2001
From: HC123abc <126921906+HC123abc@users.noreply.github.com>
Date: Mon, 18 Sep 2023 10:38:55 -0400
Subject: [PATCH 1/2] test

---
 src/Tree.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Tree.java b/src/Tree.java
index 458a7c7..6239413 100644
--- a/src/Tree.java
+++ b/src/Tree.java
@@ -1,2 +1,5 @@
+
 public class Tree {
+    private Object root;
+    private Object;
 }

From 6218e9f5bef497cbd359c1b9ad2a9381897a6562 Mon Sep 17 00:00:00 2001
From: HC123abc <126921906+HC123abc@users.noreply.github.com>
Date: Mon, 18 Sep 2023 15:13:04 -0400
Subject: [PATCH 2/2] first few methods

---
 src/Tree.java | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/src/Tree.java b/src/Tree.java
index 6239413..a4277c4 100644
--- a/src/Tree.java
+++ b/src/Tree.java
@@ -1,5 +1,35 @@
+import java.util.ArrayList;
 
 public class Tree {
     private Object root;
-    private Object;
+    private  ArrayList<Tree> subtree;
+
+    public Tree( Object root, ArrayList<Tree> subtree){
+        this.root = root;
+        if (subtree == null){
+            this.subtree = new Arraylist<Tree>();
+        }
+        else {
+            this.subtree = subtree;
+        }
+    }
+
+    public boolean isEmpty(){
+        return this.root == null;
+    }
+
+    public int len(){
+        if (this.isEmpty()){
+            return 0;
+        }
+        else{
+            int size = 1;
+            for(Tree i : this.subtree){
+                size += i.len();
+            }
+            return size;
+        }
+    }
+
+
 }