Latest updates for Java 21

Fresh curated links around Java 21 are collected here so marketers can spot useful updates and turn timely ideas into posts faster.

Recent items include:

  • Exploring A Few Java 25 Language Enhancements
  • New Features in Java 26
  • Sealed Interfaces + Exhaustive Switch: The Pattern the Senior Java Interview Expects

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Recent curated links from global sources. Generate one free draft from any story, then use SocialBu to schedule and refine your content calendar.

dzone.com /5 days ago

Exploring A Few Java 25 Language Enhancements

Although Java 26 was released in mid-March this year, Java 25 is the latest LTS version available, and thus I chose to focus my attention on it in the first place. Irrespective of...

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feeds.feedblitz.com /2 weeks ago

New Features in Java 26

Explore all key features introduced in Java 26. The post New Features in Java 26 first appeared on Baeldung.       

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javacodegeeks.com /1 month ago

Sealed Interfaces + Exhaustive Switch: The Pattern the Senior Java Interview Expects

Six progressively harder questions — from exhaustiveness guarantees and non-sealed subtypes to generic bounds and cross-package visibility. Everything a senior engineer is expected...

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simplilearn.com /1 month ago

Java 8 Features with Examples | Lambda, Streams and More | Simplilearn

Java 8, released by Oracle in March 2014, marked a significant milestone in the evolution of the Java programming language. This version introduced many new features to enhance the...

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habr.com /1 month ago

Java Digest # 36: график выхода JDK 27, Spring Framework 7 в деталях и постмортем OOMKill после миграции на JDK 17

Всем привет! 👋👋👋👋👋 Мы — Java-разработчики Т-Банка: Андрей, Арсений, Роман, Константин и Константин. Собираем интересные новости, статьи, туториалы и другие материалы из мира J...

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habr.com /1 week ago

Java Digest #37: что нового в JDK 27, Spring Boot 4.1 и Hibernate 8.0

Всем привет! 👋👋👋👋👋Мы — Java-разработчики Т-Банка: Андрей, Арсений, Роман, Константин и Константин. Собираем интересные новости, статьи, туториалы и другие материалы из мира Ja...

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dev.to /3 weeks ago

Java 8 vs Java 11 vs Java 17: Which to use and why it matters in real-world projects

Java is one of the most widely used languages in the enterprise world. Many backend applications, banking systems, REST APIs, microservices, and enterprise platforms still run on v...

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javacodegeeks.com /1 month ago

Java 26 Primitive Types in Patterns — The Interview Trap

Java 26 ships JEP 530 — the fourth preview of primitive types in patterns — and with it comes one of the sneakiest interview topics in modern Java. You can now write instanceof int...

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theregister.com /1 month ago

Java's Project Valhalla finally lands a preview in JDK 28

Don't hold your breath, though – architect Brian Goetz warns devs it will likely still be preview in next LTS release

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dzone.com /1 month ago

Skills, Java 17, and Theme Accents

Last week was about Metal and the Skin Designer. This week, the headline items are about what a brand new project looks like when you generate it: the default JDK is Java 17, and e...

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infoq.com /1 month ago

Java News Roundup: JDK 27 in Rampdown, JDK 28 Expert Group, GlassFish, Infinispan, Kotlin

This week's Java roundup for June 1st, 2026, features news highlighting: JDK 27 in Rampdown Phase One; the formation of the JDK 28 Expert Group; the GlassFish Arquillian Connectors...

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infoq.com /1 week ago

Java News Roundup: Strict Field Initialization, GlassFish, GraalVM, JReleaser, RefactorFirst

This week's Java roundup for June 29th, 2026, features news highlighting: a new JEP candidate, Strict Field Initialization; point releases of GraalVM, JReleaser, RefactorFirst and...

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habr.com /1 month ago

[Перевод] Перевополщение Stable Values в JDK 26

В новом переводе от команды Spring АйО рассмотрим ленивую инициализацию в Java , которая почти всегда значит: поле сначала null, потом double-checked locking, volatile, синхронизац...

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dzone.com /3 weeks ago

From printTriangularNumber to Duff’s Device: Mastering Java Switch Statements Old and New

In this blog post, we will see how the humble Java switch statement evolved from a fall-through curiosity into a powerful expression, and how understanding its mechanics unlocks cl...

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infoq.com /2 weeks ago

Java News Roundup: Hardwood 1.0, Endive 1.0, Azul Payara, Quarkus, WildFly, LangChain4j, OSSI

This week's Java roundup for June 22nd, 2026, features news highlighting: the GA releases of Hardwood 1.0 and Endive 1.0; the June 2026 edition of Azul Payara; point releases of Qu...

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phoronix.com /2 weeks ago

GraalVM CE 25.1.3 Gets Native Image "Hello World" Program Down To Just 6.5MB

GraalVM, the advanced JDK focused on ahead-of-time (AOT) Native Image compilation and since last year began shifting focus to more non-Java languages like Python and JavaScript, i...

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infoq.com /1 month ago

Java News Roundup: OpenJDK JEPs, Hazelcast, Quarkus, Hibernate, Koog, JHipster, Introducing Endive

This week's Java roundup for May 25th, 2026, features news highlighting: lifecycle changes with two of the JEPs that were targeted for JDK 27; the GA release of Koog 1.0; point rel...

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infoq.com /2 days ago

Java News Roundup: TornadoVM 5, JHipster, Google ADK, OmniFish Build of Payara, Introducing Vidocq

This week's Java roundup for July 6th, 2026, features news highlighting: the GA release of TornadoVM 5.0; point releases of JHipster, Keycloak and Google ADK; maintenance releases...

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javacodegeeks.com /2 weeks ago

Stop Using Virtual Threads for Everything: Performance Lessons Learned

When JEP 444 landed in Java 21 in September 2023, the reaction across the Java community was unusually enthusiastic. Virtual threads promised to solve one of the oldest pain points...

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dev.to /1 month ago

Past the JVM

Learning Java got me thinking how exactly does things word under the hood.. I'm not talking about Java in Particular I'm mentioning programming in General how does a command I Writ...

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habr.com /1 month ago

Зарядка для джависта

Как-то раз на одном из программистских форумов я наткнулся на интересную задачку. Интересна она была тем, что требовалось рекурсивное решение на Java. Мне захотелось разобраться… Ч...

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feeds.feedblitz.com /3 weeks ago

Java Weekly, Issue 651

Spring AI 2.0 is finally out. Time to start updating the course :) The post Java Weekly, Issue 651 first appeared on Baeldung.       

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smartermsp.com /1 month ago

Tech Time Warp: Was Java too much of a good thing?

This edition of Tech Time Warp takes us back to 1995—the public debut of Java, the legendary “Write Once, Run Anywhere” programming language—and a textbook example of the security...

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infoq.com /1 month ago

Java News Roundup: OpenJDK JEPs, Azul Payara, WildFly, LangChain4j, OpenXava, Google ADK

This week's Java roundup for May 11th, 2026, features news highlighting: three OpenJDK JEPs targeted for JDK 27; introducting Azul Payara Community and the WildFly wado CLI tool; p...

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Sources covering Java 21

feeds.dzone.com

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smartermsp.com

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phoronix.com

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dev.to

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feed.infoq.com

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feeds.feedblitz.com

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