From eadd24ad5de2567d7dca6365715340b8c5258b05 Mon Sep 17 00:00:00 2001
From: andrebrowne <42154231+andrebrowne@users.noreply.github.com>
Date: Tue, 28 Jul 2020 18:03:57 -0400
Subject: [PATCH] Simplify hashcode example

---
 .../java/com/baeldung/jpa/equality/EqualByBusinessKey.java   | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/equality/EqualByBusinessKey.java b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/equality/EqualByBusinessKey.java
index 3e34f97d77..78ba1ad1e9 100644
--- a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/equality/EqualByBusinessKey.java
+++ b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/equality/EqualByBusinessKey.java
@@ -32,10 +32,7 @@ public class EqualByBusinessKey {
 
     @Override
     public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + ((email == null) ? 0 : email.hashCode());
-        return result;
+        return java.util.Objects.hashCode(email);
     }
 
     @Override