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Scoped Values

7 articles · Page 1 of 1
Tinker Programmer
Tinker Programmer
Jul 17, 2026 · Backend Development

How Java 21 Virtual Threads Enable 100 k Threads Without Thread‑Pool Tuning

After weeks of futile thread‑pool tuning for an IO‑bound gateway, the author switched to Java 21 virtual threads, achieving stable 5,000 concurrent requests with dramatically lower P99 latency, reduced memory usage, and higher CPU efficiency, and then explains virtual‑thread internals, Scoped Values, migration steps, and limitations.

Scoped ValuesThread PoolVirtual Threads
0 likes · 18 min read
How Java 21 Virtual Threads Enable 100 k Threads Without Thread‑Pool Tuning
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?
Su San Talks Tech
Su San Talks Tech
Sep 16, 2025 · Fundamentals

What Makes Java 25 a Game‑Changer? Explore Its Groundbreaking Features

Java 25, the latest LTS release, introduces a suite of powerful new language and runtime features—including Scoped Values, compact source files, flexible constructors, module import declarations, a key‑derivation API, compact object headers, generational Shenandoah GC, structured concurrency, primitive pattern matching, and Stable Values—while also deprecating 32‑bit x86 support and enhancing JFR and the Vector API, offering developers both modern ergonomics and performance gains.

Compact Object HeaderJava 25Key Derivation Function
0 likes · 21 min read
What Makes Java 25 a Game‑Changer? Explore Its Groundbreaking Features
21CTO
21CTO
Aug 15, 2024 · Backend Development

What’s New in JDK 23? A Deep Dive into Upcoming Java Features

JDK 23, the next non‑LTS release of the Java platform slated for September 17, introduces a suite of preview features—including scoped values, structured concurrency, flexible constructor bodies, implicit class and instance methods, module import declarations, Markdown Javadoc, vector API enhancements, and a default generational ZGC mode—while deprecating sun.misc.Unsafe memory‑access methods.

JDK 23Scoped ValuesStructured Concurrency
0 likes · 11 min read
What’s New in JDK 23? A Deep Dive into Upcoming Java Features
Java Architect Essentials
Java Architect Essentials
May 3, 2023 · Backend Development

JDK 20 Release Highlights: New Features and Improvements

JDK 20, a short‑term support release of Java, introduces seven JEPs—including Scoped Values, Record Patterns, Virtual Threads, Structured Concurrency, and the Vector API—along with numerous enhancements and bug fixes, while remaining production‑ready and paving the way for the upcoming JDK 21 LTS.

Record PatternsScoped ValuesVirtual Threads
0 likes · 5 min read
JDK 20 Release Highlights: New Features and Improvements
21CTO
21CTO
Apr 6, 2023 · Backend Development

What’s New in JDK 20? A Quick Look at the Latest Java Features

JDK 20, a short‑term support release, brings six months of maintenance and introduces seven JEPs—including Scoped Values, Record Patterns, Pattern Matching for switch, Foreign Function & Memory API, Virtual Threads, Structured Concurrency, and the Vector API—each at various incubation or preview stages, while preparing for the upcoming LTS JDK 21.

JDK 20Pattern MatchingScoped Values
0 likes · 5 min read
What’s New in JDK 20? A Quick Look at the Latest Java Features
Programmer DD
Programmer DD
Mar 23, 2023 · Backend Development

What’s New in JDK 20? 7 Cutting‑Edge Features You Must Know

JDK 20, a short‑term support release, brings seven new JEPs—including Scoped Values, Record Patterns, and Virtual Threads—alongside numerous enhancements and bug fixes, positioning it for production use while previewing features that will shape the upcoming JDK 21 LTS.

JDK 20JEPPattern Matching
0 likes · 6 min read
What’s New in JDK 20? 7 Cutting‑Edge Features You Must Know