Java Champion, Apache NetBeans PMC Member, Technical Author, Jakarta EE Consultant and Instructor.

Joined October 2009
309 Photos and videos
David R. Heffelfinger retweeted
Open source risk rarely shows up at install time. It shows up later—when versions age, patches lag, and security vulnerabilities surface. Lifecycle planning matters. bit.ly/49VyZbi #OpenSource #OSSSecurity #SoftwareLifecycle
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David R. Heffelfinger retweeted
17 Apr 2024
Read what you can find in our latest podcast episode featuring David Heffelfinger @ensode. Learn about his new book, 'Jakarta EE Application Development' and gain valuable insights into the world of #Java and #JakartaEE app development: tinyurl.com/mpdr4s34
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David R. Heffelfinger retweeted
5 Apr 2024
A new #PayaraPodcast episode is out! Catch up on our conversation with @ensode as he discusses his latest book, 'Jakarta EE Application Development'. Gain insights into Java development and discover the inspiration behind David's new publication: hubs.ly/Q02r19TW0
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David R. Heffelfinger retweeted
🚨JavaOne is BACK!🚨 On behalf of the @Java Team at @Oracle, I'm happy to announce the RETURN OF @JavaOne! Learn more ➡️ inside.java/2024/03/19/annou… #Java #OpenJDK #JDK #Java #JavaOne
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Looks like @Payara_Fish is holding a hackathon, starting March 11th (today) until March 31st. payara.fish/page/payara-hack…

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David R. Heffelfinger retweeted
19 Sep 2023
Java 21 is now available! #Java21 #JDK21 #OpenJDK Download Now: social.ora.cl/6018P4fbj Release notes: social.ora.cl/6019P4fbd API Javadoc: social.ora.cl/6011P4fb5 Features: social.ora.cl/6013P4fb9 Inside Java on JDK21: social.ora.cl/6016P4fbY
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David R. Heffelfinger retweeted
25 Jul 2023
How to Use the Payara @netbeans Plugin Apache NetBeans is a popular IDE for Java development, offering a wide range of features for streamlining the development process. Find out how to use it with Payara 6! hubs.ly/Q01YDJZx0
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David R. Heffelfinger retweeted
Congratulations to new #Java Champion @jasondlee
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Very interesting read
17 Jul 2023
doron.hashnode.dev/how-human… My first ever article! Because everyone should write extensively somewhere, even if it's globally embarrassing. It's very long, but give it a chance, as you might learn something... or fall asleep. #Programming #History #Math
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David R. Heffelfinger retweeted
Congratulations to new #Java Champion @TCoolsIT
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David R. Heffelfinger retweeted
6 Jul 2023
Now featuring multiple profiles geared towards producing microservices or full stack applications, the #JakartaEE Platform provides flexibility for developing applications of all sizes. Learn more in our new video: hubs.la/Q01WF2FQ0 #opensource #JavaEE
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When migrating to @JakartaEE , don't forget to update your JPA propertis in persistence.xml <properties> <property name="𝗷𝗮𝗸𝗮𝗿𝘁𝗮.persistence.schema-generation.database.action" value="create"/> </properties>
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While I wasn't looking, @h2database got support for in-memory databases. This will come in handy when delivering training or coming up with examples for my books. h2database.com/html/features…

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.@netbeans makes it really easy to refactor your code to use @Java 15 text blocks.
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Integrates very nicely with @netbeans
GlassFish 7.0.6 final released! github.com/eclipse-ee4j/glas… 6 cool new features, 4 important fixes, 8 component updates, and 10 amazing improvements to the internal code! #JakartaEE10 #GlassFish7 #JakartaEE #GlassFish
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David R. Heffelfinger retweeted
30 Jun 2023
The Call for papers is now OPEN for the 2023 JakartaOne Livestream! Submit your proposal today to be a speaker at the largest #JakartaEE event of the year: hubs.la/Q01W03Rh0 #opensource #JakartaOne
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