#corejava — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #corejava, aggregated by home.social.
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Do you still need reactive programming for high throughput? @chwoerz shows how #VirtualThreads + #StructuredConcurrency handle fan-out calls cleanly and synchronously.
See the #Java25 approach & learn more: https://javapro.io/2025/12/23/java-25-getting-the-most-out-of-virtual-threads-with-structured-task-scopes-and-scoped-values/
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Do you still need reactive programming for high throughput? @chwoerz shows how #VirtualThreads + #StructuredConcurrency handle fan-out calls cleanly and synchronously.
See the #Java25 approach & learn more: https://javapro.io/2025/12/23/java-25-getting-the-most-out-of-virtual-threads-with-structured-task-scopes-and-scoped-values/
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Read top articles from:
@MBoegie @xstefank @vdgiselle @vilojona @meteatamel @salmto @manojnp @vipinaiswarya @AdsChosen @gvdschelde @spoole167 @mezoCode & more
👉Free PDF: https://javapro.io/2025/12/29/stay-updated-with-every-new-free-pdf-edition-6/
#ServersideJava #AI #API #Frameworks #CoreJava #DevOps #IDE #WebDevelopment #JVM
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Read top articles from:
@MBoegie @xstefank @vdgiselle @vilojona @meteatamel @salmto @manojnp @vipinaiswarya @AdsChosen @gvdschelde @spoole167 @mezoCode & more
👉Free PDF: https://javapro.io/2025/12/29/stay-updated-with-every-new-free-pdf-edition-6/
#ServersideJava #AI #API #Frameworks #CoreJava #DevOps #IDE #WebDevelopment #JVM
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Read top articles from:
@martin_fmi @Frank_JCG @FranckPachot @chwoerz @lmajano @r_maciak @ties_ven @manojnp @BalaRawool @gireeshpunam @rorypreddy @verhas @InaBumstein @wernerwedge
👉Free PDF: https://javapro.io/2025/12/09/always-up-to-date-with-every-new-free-pdf-edition-3/
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Read top articles from:
@martin_fmi @Frank_JCG @FranckPachot @chwoerz @lmajano @r_maciak @ties_ven @manojnp @BalaRawool @gireeshpunam @rorypreddy @verhas @InaBumstein @wernerwedge
👉Free PDF: https://javapro.io/2025/12/09/always-up-to-date-with-every-new-free-pdf-edition-3/
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Only 2 days left! You were a #Speaker at #JCON2025, you will be speaking at #JCON2026 or other conferences, or you’ve always wanted to write about #Java? Then take your chance: #JAVAPRO is seeking articles for the new print edition.
#CFP Deadline: Nov 28
👉 Submit your proposals: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
#ServersideJava #CoreJava #GenAI #EnterpriseJava #Frameworks #APIs
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Only 2 days left! You were a #Speaker at #JCON2025, you will be speaking at #JCON2026 or other conferences, or you’ve always wanted to write about #Java? Then take your chance: #JAVAPRO is seeking articles for the new print edition.
#CFP Deadline: Nov 28
👉 Submit your proposals: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
#ServersideJava #CoreJava #GenAI #EnterpriseJava #Frameworks #APIs
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Only 2 days left! You were a #Speaker at #JCON2025, you will be speaking at #JCON2026 or other conferences, or you’ve always wanted to write about #Java? Then take your chance: #JAVAPRO is seeking articles for the new print edition.
#CFP Deadline: Nov 28
👉 Submit your proposals: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
#ServersideJava #CoreJava #GenAI #EnterpriseJava #Frameworks #APIs
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Only 2 days left! You were a #Speaker at #JCON2025, you will be speaking at #JCON2026 or other conferences, or you’ve always wanted to write about #Java? Then take your chance: #JAVAPRO is seeking articles for the new print edition.
#CFP Deadline: Nov 28
👉 Submit your proposals: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
#ServersideJava #CoreJava #GenAI #EnterpriseJava #Frameworks #APIs
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Only 2 days left! You were a #Speaker at #JCON2025, you will be speaking at #JCON2026 or other conferences, or you’ve always wanted to write about #Java? Then take your chance: #JAVAPRO is seeking articles for the new print edition.
#CFP Deadline: Nov 28
👉 Submit your proposals: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
#ServersideJava #CoreJava #GenAI #EnterpriseJava #Frameworks #APIs
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Were you on stage at our #JCON2025? Will you speak at #JCON2026 or other #Java conferences – or do you simply have a Java story to tell? #JAVAPRO is preparing a new print edition.
Topics: Your Java conference talk, #Java26, or any other Java-related topics.
#CFP deadline: Nov 28. 2025
👉 Send in your proposal now: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
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Were you on stage at our #JCON2025? Will you speak at #JCON2026 or other #Java conferences – or do you simply have a Java story to tell? #JAVAPRO is preparing a new print edition.
Topics: Your Java conference talk, #Java26, or any other Java-related topics.
#CFP deadline: Nov 28. 2025
👉 Send in your proposal now: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
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Were you on stage at our #JCON2025? Will you speak at #JCON2026 or other #Java conferences – or do you simply have a Java story to tell? #JAVAPRO is preparing a new print edition.
Topics: Your Java conference talk, #Java26, or any other Java-related topics.
#CFP deadline: Nov 28. 2025
👉 Send in your proposal now: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
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Were you on stage at our #JCON2025? Will you speak at #JCON2026 or other #Java conferences – or do you simply have a Java story to tell? #JAVAPRO is preparing a new print edition.
Topics: Your Java conference talk, #Java26, or any other Java-related topics.
#CFP deadline: Nov 28. 2025
👉 Send in your proposal now: https://docs.google.com/forms/d/e/1FAIpQLSf2rQHVFeOCJllEZtlFltpWY5iDaLvdUGL6kc9eqeADp4MGQg/viewform?usp=sharing&ouid=111196455615609100505
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Last chance today! Our printed #JAVAPRO Special Edition "30 Years of #Java" is going like hotcakes at #WeAreDevelopers. Swing by Hall A, Booth A51 to grab one of the last ones before they're gone.
Missed out? Download the PDF or subscribe to stay updated: https://javapro.io/2025/06/06/stay-updated-with-every-new-release/
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Last chance today! Our printed #JAVAPRO Special Edition "30 Years of #Java" is going like hotcakes at #WeAreDevelopers. Swing by Hall A, Booth A51 to grab one of the last ones before they're gone.
Missed out? Download the PDF or subscribe to stay updated: https://javapro.io/2025/06/06/stay-updated-with-every-new-release/
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This is my November Fedi reminder that I am a talented #Java developer looking for a developer position either remote, or based in Tampa, FL. I have some neat skills, like #CoreJava, #JavaEE, #Spring Frameworks, #WebServices, #Kafka, and many others. If you want to set up a call, I promise I will respond. (And I only ask you apply the same rule.)
Oh yeah, something-something-pumpkin-spice; now it's a November post.
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This is my November Fedi reminder that I am a talented #Java developer looking for a developer position either remote, or based in Tampa, FL. I have some neat skills, like #CoreJava, #JavaEE, #Spring Frameworks, #WebServices, #Kafka, and many others. If you want to set up a call, I promise I will respond. (And I only ask you apply the same rule.)
Oh yeah, something-something-pumpkin-spice; now it's a November post.
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This is my November Fedi reminder that I am a talented #Java developer looking for a developer position either remote, or based in Tampa, FL. I have some neat skills, like #CoreJava, #JavaEE, #Spring Frameworks, #WebServices, #Kafka, and many others. If you want to set up a call, I promise I will respond. (And I only ask you apply the same rule.)
Oh yeah, something-something-pumpkin-spice; now it's a November post.
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This is my November Fedi reminder that I am a talented #Java developer looking for a developer position either remote, or based in Tampa, FL. I have some neat skills, like #CoreJava, #JavaEE, #Spring Frameworks, #WebServices, #Kafka, and many others. If you want to set up a call, I promise I will respond. (And I only ask you apply the same rule.)
Oh yeah, something-something-pumpkin-spice; now it's a November post.
-
This is my November Fedi reminder that I am a talented #Java developer looking for a developer position either remote, or based in Tampa, FL. I have some neat skills, like #CoreJava, #JavaEE, #Spring Frameworks, #WebServices, #Kafka, and many others. If you want to set up a call, I promise I will respond. (And I only ask you apply the same rule.)
Oh yeah, something-something-pumpkin-spice; now it's a November post.
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Was passiert, wenn dein Shortener IDs vorhersagbar generiert? Hier entsteht ein System, das Base62, ConcurrentHashMap & #Vaadin nutzt, um Risiken zu minimieren – 100 % #Java.
Jetzt Code von @svenruppert entdecken: https://javapro.io/de/teil-ii-url-shortener/
#Java24 #CoreJava #DevSecOps @Vaadin
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Was passiert, wenn dein Shortener IDs vorhersagbar generiert? Hier entsteht ein System, das Base62, ConcurrentHashMap & #Vaadin nutzt, um Risiken zu minimieren – 100 % #Java.
Jetzt Code von @svenruppert entdecken: https://javapro.io/de/teil-ii-url-shortener/
#Java24 #CoreJava #DevSecOps @Vaadin
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Was passiert, wenn dein Shortener IDs vorhersagbar generiert? Hier entsteht ein System, das Base62, ConcurrentHashMap & #Vaadin nutzt, um Risiken zu minimieren – 100 % #Java.
Jetzt Code von @svenruppert entdecken: https://javapro.io/de/teil-ii-url-shortener/
#Java24 #CoreJava #DevSecOps @Vaadin
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Was passiert, wenn dein Shortener IDs vorhersagbar generiert? Hier entsteht ein System, das Base62, ConcurrentHashMap & #Vaadin nutzt, um Risiken zu minimieren – 100 % #Java.
Jetzt Code von @svenruppert entdecken: https://javapro.io/de/teil-ii-url-shortener/
#Java24 #CoreJava #DevSecOps @Vaadin
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Was passiert, wenn dein Shortener IDs vorhersagbar generiert? Hier entsteht ein System, das Base62, ConcurrentHashMap & #Vaadin nutzt, um Risiken zu minimieren – 100 % #Java.
Jetzt Code von @svenruppert entdecken: https://javapro.io/de/teil-ii-url-shortener/
#Java24 #CoreJava #DevSecOps @Vaadin
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Lange URLs nerven. Kurze machen angreifbar. Base62, Hashing, Rate-Limits – ein Spagat zwischen Komfort & Missbrauch. Wer sehen will, wie #Java ohne Frameworks digitale Souveränität verteidigt, liest die Story von @svenruppert: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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Lange URLs nerven. Kurze machen angreifbar. Base62, Hashing, Rate-Limits – ein Spagat zwischen Komfort & Missbrauch. Wer sehen will, wie #Java ohne Frameworks digitale Souveränität verteidigt, liest die Story von @svenruppert: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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📢 The JCONEUROPE 2026 #CallforPapers is extended until Oct 24, 2025! Want to speak on Europe’s biggest #Java stage?
Discover the benefits for speakers:
EN: → https://javapro.io/2025/10/13/call-for-papers-for-jcon-europe-2026-extended-until-october-24/
DE: → https://javapro.io/de/call-for-papers-fuer-die-jcon-europe-2026-bis-24-oktober-verlaengert/ -
📢 The JCONEUROPE 2026 #CallforPapers is extended until Oct 24, 2025! Want to speak on Europe’s biggest #Java stage?
Discover the benefits for speakers:
EN: → https://javapro.io/2025/10/13/call-for-papers-for-jcon-europe-2026-extended-until-october-24/
DE: → https://javapro.io/de/call-for-papers-fuer-die-jcon-europe-2026-bis-24-oktober-verlaengert/ -
When #Java reduces mental overhead, onboarding gets faster, bugs get rarer & reviews go smoother. That’s not a theory—Markus Westergren shares the practical side of Java’s cognitive evolution.
Have you upgraded your thinking? https://javapro.io/2025/05/27/brain-friendly-programming-why-the-latest-language-features-matter/
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When #Java reduces mental overhead, onboarding gets faster, bugs get rarer & reviews go smoother. That’s not a theory—Markus Westergren shares the practical side of Java’s cognitive evolution.
Have you upgraded your thinking? https://javapro.io/2025/05/27/brain-friendly-programming-why-the-latest-language-features-matter/
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Ungetrennte REST-Calls zerstören jede saubere Architektur – blockierende Aufrufe, Timeouts, unkontrollierte Fehler. @svenruppert setzt in #Java auf klare Adapter, Typsicherheit & Resilienz.
Jetzt direkt nachlesen: https://javapro.io/de/mit-vaadin-flow-rest-endpoints-in-core-java-konsumieren/
#CleanArchitecture #CoreJava @Vaadin
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Ungetrennte REST-Calls zerstören jede saubere Architektur – blockierende Aufrufe, Timeouts, unkontrollierte Fehler. @svenruppert setzt in #Java auf klare Adapter, Typsicherheit & Resilienz.
Jetzt direkt nachlesen: https://javapro.io/de/mit-vaadin-flow-rest-endpoints-in-core-java-konsumieren/
#CleanArchitecture #CoreJava @Vaadin
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Wieso kann ein einfacher URL-Shortener zum Einfallstor für Phishing & Brute-Force werden? @svenruppert kombiniert Base62-Encoding, REST-API & #Vaadin-UI zu einem robusten URL-Shortener in #Java.
Jetzt nachbauen: https://javapro.io/de/teil-ii-url-shortener/
#OpenSource #CoreJava #DevSecOps @Vaadin
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Wieso kann ein einfacher URL-Shortener zum Einfallstor für Phishing & Brute-Force werden? @svenruppert kombiniert Base62-Encoding, REST-API & #Vaadin-UI zu einem robusten URL-Shortener in #Java.
Jetzt nachbauen: https://javapro.io/de/teil-ii-url-shortener/
#OpenSource #CoreJava #DevSecOps @Vaadin
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Wer glaubt, URL-Verkürzung sei nur UX, irrt. Entropie entscheidet über Vertrauen, Kollisionen über Haftung. Ein Shortener ohne Architektur öffnet Tür & Tor für Missbrauch. #Java24 liefert die Werkzeuge. @svenruppert zeigt wie.
Lese: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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Wer glaubt, URL-Verkürzung sei nur UX, irrt. Entropie entscheidet über Vertrauen, Kollisionen über Haftung. Ein Shortener ohne Architektur öffnet Tür & Tor für Missbrauch. #Java24 liefert die Werkzeuge. @svenruppert zeigt wie.
Lese: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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Wer glaubt, URL-Verkürzung sei nur UX, irrt. Entropie entscheidet über Vertrauen, Kollisionen über Haftung. Ein Shortener ohne Architektur öffnet Tür & Tor für Missbrauch. #Java24 liefert die Werkzeuge. @svenruppert zeigt wie.
Lese: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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Wer glaubt, URL-Verkürzung sei nur UX, irrt. Entropie entscheidet über Vertrauen, Kollisionen über Haftung. Ein Shortener ohne Architektur öffnet Tür & Tor für Missbrauch. #Java24 liefert die Werkzeuge. @svenruppert zeigt wie.
Lese: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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Wer glaubt, URL-Verkürzung sei nur UX, irrt. Entropie entscheidet über Vertrauen, Kollisionen über Haftung. Ein Shortener ohne Architektur öffnet Tür & Tor für Missbrauch. #Java24 liefert die Werkzeuge. @svenruppert zeigt wie.
Lese: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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REST in #Vaadin? Viele packen es direkt ins UI und wundern sich später über Chaos. @svenruppert liefert einen Bauplan: HttpClient, Adapter, Records & klar getrennte Schichten. So bleibt dein Code testbar!
Lese: https://javapro.io/de/mit-vaadin-flow-rest-endpoints-in-core-java-konsumieren/
#CleanCode #CoreJava #DevSecOps @Vaadin
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REST in #Vaadin? Viele packen es direkt ins UI und wundern sich später über Chaos. @svenruppert liefert einen Bauplan: HttpClient, Adapter, Records & klar getrennte Schichten. So bleibt dein Code testbar!
Lese: https://javapro.io/de/mit-vaadin-flow-rest-endpoints-in-core-java-konsumieren/
#CleanCode #CoreJava #DevSecOps @Vaadin
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Kurze Links aus eigener Hand: Von Base62-Encoding bis #Vaadin-UI entsteht ein #URL-Shortener, der beweist, wie viel #Java ohne Framework leisten kann. Wer echten Code sehen will, ist hier richtig: @svenruppert https://javapro.io/de/teil-ii-url-shortener/
#OpenSource #API #CoreJava #DevSecOps @Vaadin
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Kurze Links aus eigener Hand: Von Base62-Encoding bis #Vaadin-UI entsteht ein #URL-Shortener, der beweist, wie viel #Java ohne Framework leisten kann. Wer echten Code sehen will, ist hier richtig: @svenruppert https://javapro.io/de/teil-ii-url-shortener/
#OpenSource #API #CoreJava #DevSecOps @Vaadin
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Ein URL-Shortener klingt banal – bis man merkt, wie leicht Brute-Force-Angriffe die Datenbank leeren. @svenruppert konzipiert ein System, das Kollisionen, Vorhersagbarkeit & Datenschutz in #CoreJava unter einen Hut bringt
Lese: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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Ein URL-Shortener klingt banal – bis man merkt, wie leicht Brute-Force-Angriffe die Datenbank leeren. @svenruppert konzipiert ein System, das Kollisionen, Vorhersagbarkeit & Datenschutz in #CoreJava unter einen Hut bringt
Lese: https://javapro.io/de/kurze-links-klare-architektur-ein-url-shortener-in-core-java/
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Switch expressions. Helpful nulls. Stream.toList(). Tiny features—but collectively, they reshape how we think in #Java. Markus Westergren reflects on what we gain when code matches how our brain works.
→ Don’t miss the insight: https://javapro.io/2025/05/27/brain-friendly-programming-why-the-latest-language-features-matter/
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Switch expressions. Helpful nulls. Stream.toList(). Tiny features—but collectively, they reshape how we think in #Java. Markus Westergren reflects on what we gain when code matches how our brain works.
→ Don’t miss the insight: https://javapro.io/2025/05/27/brain-friendly-programming-why-the-latest-language-features-matter/