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JDK 25

9 articles · Page 1 of 1
Tinker Programmer
Tinker Programmer
Jul 21, 2026 · Backend Development

Migrating a High‑Traffic Java 8 Service to JDK 21/25: Pitfalls, Compatibility Checks, and Best‑Practice SOP

The author details a production migration of a core transaction service from Java 8 to JDK 21/25—handling millions of users and 30 k QPS—by exposing runtime silent‑failure pitfalls, outlining six compatibility‑risk categories, prescribing version‑selection rules, a step‑by‑step gray‑scale upgrade and rollback plan, and quantifying performance gains such as ZGC latency reduction and AppCDS startup speedup.

JDK 21JDK 25Performance
0 likes · 20 min read
Migrating a High‑Traffic Java 8 Service to JDK 21/25: Pitfalls, Compatibility Checks, and Best‑Practice SOP
Tinker Programmer
Tinker Programmer
Jul 16, 2026 · Fundamentals

How Pattern Matching Let Me Scrap the Visitor Pattern in Java

The article walks through a real‑world refactor of a Java event‑handling system, showing how instanceof pattern matching, switch pattern matching, record patterns, sealed classes and the new JDK 25 syntax features replace verbose if‑else chains and the Visitor pattern, yielding shorter, safer, compile‑time‑checked code.

JDK 25Pattern MatchingRecords
0 likes · 15 min read
How Pattern Matching Let Me Scrap the Visitor Pattern in Java
Java Tech Enthusiast
Java Tech Enthusiast
Nov 15, 2025 · Backend Development

Why Generational Shenandoah GC in JDK 25 Is a Game‑Changer for Java Performance

JDK 25 introduces the generational Shenandoah garbage collector as a production‑ready feature, offering lower pause times, higher throughput, and better memory efficiency compared to G1 and ZGC, while remaining optional via the -XX:ShenandoahGCMode=generational flag and preserving compatibility with existing scripts.

Garbage CollectionGenerational GCJDK 25
0 likes · 8 min read
Why Generational Shenandoah GC in JDK 25 Is a Game‑Changer for Java Performance
Java Web Project
Java Web Project
Oct 31, 2025 · Fundamentals

What’s New in Java 25? 15 Features That Redefine Simplicity, Safety, and Performance

Java 25, the latest LTS release, introduces fifteen language and runtime enhancements—including pattern matching for primitive types, module‑wide imports, a compact main method, enriched records, structured concurrency, scoped and stable values, a vector API, and AOT optimizations—each illustrated with concrete code examples and explained for their impact on readability, safety, and performance.

JDK 25Language EnhancementsNew Features
0 likes · 11 min read
What’s New in Java 25? 15 Features That Redefine Simplicity, Safety, and Performance
Java Companion
Java Companion
Oct 28, 2025 · Backend Development

Java 25 Released: New Features Make the Language More Concise, Efficient, and Modern

Java 25, the latest LTS release, introduces pattern matching for primitive types, module‑wide imports, a compact main method, enhanced records, structured concurrency, scoped and stable values, a vector API, compact object headers, generational Shenandoah GC, AOT optimizations, JFR improvements, security updates, and drops 32‑bit support, offering developers a more concise, safer, and higher‑performance platform.

JDK 25JEPPattern Matching
0 likes · 10 min read
Java 25 Released: New Features Make the Language More Concise, Efficient, and Modern
IT Services Circle
IT Services Circle
Sep 21, 2025 · Backend Development

Is JDK 25’s “Lightweight” Promise Just a Shortcut Parade?

The article reviews JDK 25, the latest LTS release, critiquing its superficial syntax shortcuts while highlighting the genuinely valuable additions of Structured Concurrency and Scoped Values, and examines JVM‑level improvements such as generational Shenandoah GC, ultimately questioning whether the release truly advances Java’s future.

Garbage CollectionJDK 25LTS
0 likes · 7 min read
Is JDK 25’s “Lightweight” Promise Just a Shortcut Parade?
21CTO
21CTO
Sep 17, 2025 · Backend Development

What’s New in Java 25? Simplified Syntax, AI Boosts, and Performance Gains

Oracle’s latest LTS release, JDK 25, introduces compact source files, streamlined module imports, enhanced constructors, memory‑efficient compact object headers, AI‑friendly features like pattern matching and the Vector API, plus performance and security improvements, while aiming to make Java more approachable for beginners.

AI integrationJDK 25java
0 likes · 8 min read
What’s New in Java 25? Simplified Syntax, AI Boosts, and Performance Gains