add MySQL Connector/J version requirement note (#16410) (#16411)

develop/dev-guide-sample-application-java-jdbc.md

@@ -36,6 +36,10 @@ To complete this tutorial, you need:
 </CustomContent>
 <CustomContent platform="tidb-cloud">
 
+> **Note:**
+>
+> For security considerations, it is recommended that you use `VERIFY_IDENTITY` to establish TLS connections to TiDB clusters when connecting over the internet. Both TiDB Serverless and TiDB Dedicated use Subject Alternative Name (SAN) certificates, which require MySQL Connector/J version to be greater than or equal to [8.0.22](https://dev.mysql.com/doc/relnotes/connector-j/8.0/en/news-8-0-22.html).
+
 **If you don't have a TiDB cluster, you can create one as follows:**
 
 - (Recommended) Follow [Creating a TiDB Serverless cluster](/develop/dev-guide-build-cluster-in-cloud.md) to create your own TiDB Cloud cluster.