Rhuan Rocha
Red Hatter, Java EE/Jakarta EE developer, speaker, author and contributor. I'm specialist on Jakarta EE and MicroProfile. In my journey, I develop, architect and analyse distributed applications using Java EE/Jakarta EE and technologies of its ecosystem. Furthermore, I present lectures about several topics about Jakarta EE and wrote the book "Java EE 8 Design Patterns and Best Practices" to Packt. Beside that, I'm contributing to to Jakarta EE, MicroProfile and JNoSQL.
Rhuan Rocha's contributions
Article
Jakarta EE: Multitenancy with JPA on WildFly, Part 2
Rhuan Rocha
You've implemented multitenancy using a database with JPA and WildFly. Now, set up multitenancy using a schema and EJB for container-managed transactions.
Article
Jakarta EE: Multitenancy with JPA on WildFly, Part 1
Rhuan Rocha
In part one of this series, learn how to implement multitenancy with a database using the Jakarta Persistence API (JPA) running on WildFly.
Article
Jakarta EE: Creating an Enterprise JavaBeans timer
Rhuan Rocha
We show how to create an Enterprise JavaBeans timer programmatically and with easier annotation.
Article
Jakarta EE: What's in store for Enterprise JavaBeans?
Rhuan Rocha
Rhuan Rocha shares opinions about how Enterprise JavaBeans (EJB) fits into the new cloud-native world.
Article
Introduction to microservices observability with Eclipse MicroProfile
Rhuan Rocha
In this article, we'll look at Eclipse MicroProfile specifications that can help you implement observability in microservices.
Article
Jakarta EE 8: The new era of Java EE explained
Rhuan Rocha
We look at what to expect from Jakarta EE 8 -- the latest iteration of Java EE.
Article
Why Java is so hot right now
Rhuan Rocha
The Java platform has become one of the most widely used platforms, with a huge ecosystem in the world of technology. Java lets developers create applications for several platforms, such as Windows, Linux, embedded systems, and mobile. Java also has received criticisms, such as: Java is fat; Java takes a lot of memory; Java is verbose . But, Java was created to solve big problems, not small problems. Of course, you can also solve small problems with Java, but you...
![2020_Wildfly_JakartaEE_JPA_featured_Article_image_Part2 Jakarta EE + WildFly - Part 2](/sites/default/files/styles/list_item_thumb/public/blog/2020/11/2020_Wildfly_JakartaEE_JPA_featured_Article_image_Part2.png?itok=MpMRaAFF)
Jakarta EE: Multitenancy with JPA on WildFly, Part 2
You've implemented multitenancy using a database with JPA and WildFly. Now, set up multitenancy using a schema and EJB for container-managed transactions.
![2020_Wildfly_JakartaEE_JPA_featured_Article_image_Part1 Jakarta EE + WildFly - Part 1](/sites/default/files/styles/list_item_thumb/public/blog/2020/06/2020_Wildfly_JakartaEE_JPA_featured_Article_image_Part1.png?itok=oNtR-6M9)
Jakarta EE: Multitenancy with JPA on WildFly, Part 1
In part one of this series, learn how to implement multitenancy with a database using the Jakarta Persistence API (JPA) running on WildFly.
![EJB-kashish-lamba-unsplash Enterprise JavaBeans](/sites/default/files/styles/list_item_thumb/public/blog/2019/12/EJB-kashish-lamba-unsplash.jpg?itok=Wbf8bVm4)
Jakarta EE: Creating an Enterprise JavaBeans timer
We show how to create an Enterprise JavaBeans timer programmatically and with easier annotation.
![EJB-alexI-unsplash Enteprise JavaBeans](/sites/default/files/styles/list_item_thumb/public/blog/2019/10/EJB-alexI-unsplash.jpg?itok=GUHgUie8)
Jakarta EE: What's in store for Enterprise JavaBeans?
Rhuan Rocha shares opinions about how Enterprise JavaBeans (EJB) fits into the new cloud-native world.
![microservices Microservices](/sites/default/files/styles/list_item_thumb/public/blog/2019/09/microservices.png?itok=vppWSoYU)
Introduction to microservices observability with Eclipse MicroProfile
In this article, we'll look at Eclipse MicroProfile specifications that can help you implement observability in microservices.
![jakarta_ee_logo_schooner_color_horizontal_default Jakarta EE](/sites/default/files/styles/list_item_thumb/public/blog/2019/09/jakarta_ee_logo_schooner.jpg?itok=Svyvzsas)
Jakarta EE 8: The new era of Java EE explained
We look at what to expect from Jakarta EE 8 -- the latest iteration of Java EE.
![Featured image for Java topics.](/sites/default/files/styles/list_item_thumb/public/ST-java1_1x%20%283%29_3.png?itok=mn2zw0CD)
Why Java is so hot right now