From adcf4ba2cf17ef9a0c1edd3d1a6ce4ff6493d4a3 Mon Sep 17 00:00:00 2001
From: sheryllresulta <48046330+sheryllresulta@users.noreply.github.com>
Date: Thu, 2 May 2019 17:17:08 +0800
Subject: [PATCH] Update README.md

---
 core-java-lang-oop-2/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core-java-lang-oop-2/README.md b/core-java-lang-oop-2/README.md
index af0aed5af3..cb424b08d2 100644
--- a/core-java-lang-oop-2/README.md
+++ b/core-java-lang-oop-2/README.md
@@ -4,3 +4,4 @@
 
 ### Relevant Articles: 
 - [Generic Constructors in Java](https://www.baeldung.com/java-generic-constructors)
+- [Cannot Reference “X” Before Supertype Constructor Has Been Called](https://www.baeldung.com/java-cannot-reference-x-before-supertype-constructor-error)