From 1e16299ac522244bccbb84557c612ed8d316dbef Mon Sep 17 00:00:00 2001
From: johnA1331 <53036378+johnA1331@users.noreply.github.com>
Date: Wed, 20 Jan 2021 22:42:24 +0800
Subject: [PATCH] Update README.md

---
 java-numbers-4/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/java-numbers-4/README.md b/java-numbers-4/README.md
index 7db25b283c..cdd53692e0 100644
--- a/java-numbers-4/README.md
+++ b/java-numbers-4/README.md
@@ -2,3 +2,4 @@
 
 - [Probability in Java](https://www.baeldung.com/java-probability)
 - [Understanding the & 0xff Value in Java](https://www.baeldung.com/java-and-0xff)
+- [Determine if an Integer’s Square Root Is an Integer in Java](https://www.baeldung.com/java-find-if-square-root-is-integer)