The Payara Monthly Catch: November 2021

Welcome to a winter edition of our Payara Monthly Catch, where we pick the best articles, videos, podcasts and news stories from the month, from the world of Java and Jakarta EE. 

We were pleased this month to hear ofMicrosoft'scontinued commitment to Java. The Tech 'Big Five' giant signed the Java Specification Participation Agreement to join the Java Community Process, the governing body that oversees the maintenance and advancement of the Java platform. In short - Microsoft is championing its Java users and shaping the future of the language! 

This is in line withAzure, Microsoft's cloud platform, working well withJakarta EEand Payara Platform, and Microsoft even producingan official best practice guide for running Payara Micro on Azure Kubernetes Service earlier this year. Microsoft are also building theirown OpenJDK implementation and joined theEclipse Foundation as a Strategic Member, demonstrating a commitment to open source Java projects. 

Payara added our own news to the Java ecosystem too. Payara Community Edition can now run on the Java 17! Our engineers are still working hard to iron out any cracks and create a product fit for use in mission-critical systems, ensuring Enterprise customers will get the very best in stability and security with this new Long Term Supported (LTS) release. 

Read more about these two major news events below, as well as a selection of the best content from the world of Java, cloud computing, DevOps & more!

You can follow us onInstagram,Twitter,YouTubeandLinkedIn.You can alsocontribute toanddrive the futureof Payara Platform via our GitHub or get involved answering and asking questions on ourPayara Forum.

Articles

Java: Runnable vs Callable - Harsha Codes takes you through these two different approaches to handling threads in Java. Read the concise & informative blog here.

How to use TreeSet in Java? SortedSet Example Tutorial - New Javinpaul article about this method, which uses ascending order, as opposted to Hashset , which uses shuffled order. 

Streams Set Distinct Java Code Quiz - Looking for a challenge? New Rafael del Nero Java challenge on Foojay - demonstrating how Streams & Set Collection Factory methods with Java make code easier to read & maintain.

Enterprise Application Security Best Practices - This Vaadin blog provides 5 top tips to avoid cyber attacks on your organisation - from regular code reviews to adopting the OWASP top 10. 

Java LTS - perspective of a library author - This considered piece by Emmanuel Bernard maps out difficulties moving between Java versions. With such an interconnected complex ecosystem, upgrades depend on other libraries upgrading too. Food for thought!

Mixing Inheritance Mapping Strategies with Hibernate by Thorben Janssen - Hibernate doesn't support a mix of inheritance mappings strategies within the same inheritance hierarchy. But there is a different mapping you can use. 

JPA query methods: influence on performance - A technical & useful study of methods to select data from the database, & how these methods impact on performance - comparing native SQL , Hibernate & more. Read here. 

GC progress from OpenJDK 8 to JDK 17 - Stefan Johansson focuses on the improvements in the area of garbage collection - to throughput, latency, footprint & more. Conclusion: consider upgrading!

To Threadfinity and beyond?! - Java Thread Programming: Can you create as many threads as you want? Today on Foojay the next in A N M Bazlur Rahman's useful series on Java threads . It's not a clear yes or no... 

5 Mundane Java Performance Tips - Richard Startin provides 5 tips to avoid making software written in Java slower - based on common mistakes he's seen in code review . Make sure you aren't falling into any traps!

Java on VS Code Update – October 2021- Are you using VS Code as your IDE of choice - with our Payara plugin? Nick Zhu details improvements.

Payara Forum: Problem Solved! 

We will be celebrating an excellent answer each month on our Payara Forum: where the rich and vibrant Payara Platform community can help each other out, have discussions and look for solutions.

Ralph Soikaasked how to deploy his Jakarta EE application on Payara Micro using Docker. He'd come into problems with a vendor independent database. 

Forum userCharlee Ch. helped him out with this answer:

It's great to see our community thriving, helping each other out on smaller projects - but remember, if you are running Payara Server in production, Payara Enterprise will give you access to the most secure version of the Server and guaranteed responses directly from our engineers.

Videos & Podcasts

Single-threaded & Same-threaded designs - More useful Jakarta Concurrency content! Jakob Jenkov discusses single-threaded & same-threaded designs, where resources & business logic are only called by a single or the same thread, to reduce concurrency issues.

Community News