shifts tree node to personal class

Author: anishLearnsToCode

src/HelloWorld.java

@@ -0,0 +1,5 @@
+public class HelloWorld {
+    public static void main(String[] args) {
+        System.out.println("Hello world");
+    }
+}

src/MinimumDistanceBetweenBSTNodes.java

@@ -1,16 +1,3 @@
-class TreeNode {
-    int val;
-    TreeNode left;
-    TreeNode right;
-    TreeNode() {}
-    TreeNode(int val) { this.val = val; }
-    TreeNode(int val, TreeNode left, TreeNode right) {
-        this.val = val;
-        this.left = left;
-        this.right = right;
-    }
-}
-
 public class MinimumDistanceBetweenBSTNodes {
     long result = Integer.MAX_VALUE;
 

src/TreeNode.java

@@ -0,0 +1,12 @@
+public class TreeNode {
+    int val;
+    TreeNode left;
+    TreeNode right;
+    TreeNode() {}
+    TreeNode(int val) { this.val = val; }
+    TreeNode(int val, TreeNode left, TreeNode right) {
+        this.val = val;
+        this.left = left;
+        this.right = right;
+    }
+}