Merge remote-tracking branch 'origin/master'

kongbomb · kongbomb · commit 8b5feee2775d · 2018-08-16T15:08:18.000+09:00
diff --git a/src/main/java/org/psjava/ds/tree/BinaryTreeNode.java b/src/main/java/org/psjava/ds/tree/BinaryTreeNode.java
@@ -1,5 +1,6 @@
 package org.psjava.ds.tree;
 
+// TODO remove interface. implementation is only one.
 public interface BinaryTreeNode<T> {
 
     T getData();
