Update RedBlackBST.java

EAlexan · EAlexan · commit c184e1cecbe4 · 2020-03-20T22:17:01.000+01:00
closing Scanner scan
diff --git a/DataStructures/Trees/RedBlackBST.java b/DataStructures/Trees/RedBlackBST.java
@@ -330,5 +330,6 @@ public void deleteDemo() {
         printTree(root);
         System.out.println("Pre order");
         printTreepre(root);
+        scan.close();
     }
 }
