Updated with the latest blog posts

Author: blog-post-bot

README.md

@@ -424,6 +424,7 @@ and ***Java Patterns*** ? Consider buying me a coffee :)
 ### *JavaCodeGeeks posts*
 
 <!-- JAVACODEGEEKS-POST-LIST:START -->
+- [Java 8 Streams – Group By Multiple Fields with Collectors.groupingBy()](https://www.javacodegeeks.com/2021/05/java-8-streams-group-by-multiple-fields-with-collectors-groupingby.html)
 - [Java 8 – How To Read A File?](https://www.javacodegeeks.com/2021/05/java-8-how-to-read-a-file.html)
 - [Maximize your concurrent web server connections](https://www.javacodegeeks.com/2021/04/maximize-your-concurrent-web-server-connections.html)
 - [Store health and safety – Common architectural elements](https://www.javacodegeeks.com/2021/04/store-health-and-safety-common-architectural-elements.html)
@@ -433,7 +434,6 @@ and ***Java Patterns*** ? Consider buying me a coffee :)
 - [Containers and VMs Hosted Together on Same Infrastructure and Management Platform](https://www.javacodegeeks.com/2021/04/containers-and-vms-hosted-together-on-same-infrastructure-and-management-platform.html)
 - [Store health and safety – An architectural introduction](https://www.javacodegeeks.com/2021/04/store-health-and-safety-an-architectural-introduction.html)
 - [Java 16 Records with JPA and jOOQ](https://www.javacodegeeks.com/2021/04/java-16-records-with-jpa-and-jooq.html)
-- [A 6 Step Website Design Checklist To Follow In 2021](https://www.javacodegeeks.com/2021/04/a-6-step-website-design-checklist-to-follow-in-2021.html)
 <!-- JAVACODEGEEKS-POST-LIST:END -->
 
 ### *DevCases posts*