Forem: Chris Kocel

Wednesday Links - Edition 2026-04-01

Chris Kocel — Wed, 01 Apr 2026 15:42:36 +0000

Java Is Fast. Your Code Might Not Be. (12 min)🐢
https://jvogel.me/posts/2026/java-is-fast-your-code-might-not-be/

JDK 26 Security Enhancements (14 min)🛡️
https://seanjmullan.org/blog/2026/03/16/jdk26

Measuring the Startup Memory Cost for Lazy Iteration Patterns in Java (5 min)💰
https://donraab.medium.com/measuring-the-startup-memory-cost-for-lazy-iteration-patterns-in-java-be24f4dd5b64

One tip for successful OpenTelemetry projects (2 min)💡
https://blog.frankel.ch/tip-opentelemetry-projects/

Static code analysis in Kotlin — tools overview (16 min)👀
https://blog.allegro.tech/2026/03/static-code-analysis-kotlin.html

Wednesday Links - Edition 2026-03-25

Chris Kocel — Wed, 25 Mar 2026 16:43:12 +0000

The Curious Case of Enum and Map Serialization (5 min)🧐
https://4comprehension.com/enum-map-serialization/

Some Benefits of Enabling Compact Object Headers in Java 25 for Streams (3 min)👜
https://donraab.medium.com/some-benefits-of-enabling-compact-object-headers-in-java-25-for-streams-8df8b2037e05

JavaScript (No, Not That One): Modern Automation with Java (12 min)🦾
https://lomagnette.github.io/posts/javascript-no-not-that-one-modern-automation-with-java/

GitHub Actions for Gradle v6: What's Changing and Why (3 min)🎬
https://blog.gradle.org/github-actions-for-gradle-v6

Writing an agent skill (2 min)🕵️‍♂️
https://blog.frankel.ch/writing-agent-skill/

Will you go to prison for an AI? (2 min)⚖️
https://blog.ploeh.dk/2026/03/23/will-you-go-to-prison-for-an-ai/

Claude Code Template for Spring Boot (13 min)📄
https://piotrminkowski.com/2026/03/24/claude-code-template-for-spring-boot/

Maybe version ranges are a good idea after all? (6 min)📏
https://neilmadden.blog/2026/03/19/maybe-version-ranges-are-a-good-idea-after-all/

Wednesday Links - Edition 2026-03-18

Chris Kocel — Wed, 18 Mar 2026 16:49:21 +0000

Java 26 Is Here, And With It a Solid Foundation for the Future (40 min)🏗️
https://hanno.codes/2026/03/17/java-26-is-here/

Java 26 is boring, and that’s a good thing (19 min)😴
https://mostlynerdless.de/blog/2026/03/17/java-26-is-boring-and-thats-a-good-thing/

JVM Workhorses - Stubs and Intrinsics (10 min)🐴
https://softwaremill.com/jvm-workhorses-stubs-and-intrinsics/

Kubernetes CPU limits - When JVM sees more than it should (9 min)👀
https://mikemybytes.com/2026/03/12/kubernetes-cpu-limits-when-jvm-sees-more-than-it-should/

tdocker: A Terminal UI for Everyday Docker Commands (3 min)🖥️
https://4comprehension.com/tdocker-tui/

Wednesday Links - Edition 2026-03-11

Chris Kocel — Wed, 11 Mar 2026 16:28:27 +0000

Java 26 for DevOps (2 min)☕
https://inside.java/2026/03/02/jdk-26-rn-ops/

HTTP Client Updates in Java 26 (2 min)🌐
https://inside.java/2026/03/04/jdk-26-http-client/

Things I miss about Spring Boot after switching to Go (5 min)🍂
https://sushantdhiman.dev/things-i-miss-about-spring-boot-after-switching-to-go/

Performance of Lazy and Eager Iteration Patterns on Small Lists in Java (8 min)📈
https://donraab.medium.com/performance-of-lazy-and-eager-iteration-patterns-on-small-lists-in-java-f4234bef50a5

Empty Should be Empty (6 min)🔲
https://donraab.medium.com/empty-should-be-empty-c09e21edc205

DPoP: What It Is, How It Works, and Why Bearer Tokens Aren’t Enough (8 min)🛡️
https://foojay.io/today/dpop-what-it-is-how-it-works-and-why-bearer-tokens-arent-enough/

Quarkus has great performance – and we have new evidence (10 min)🚀
https://quarkus.io/blog/new-benchmarks/

You Just Need Postgres (3 min)🐘
https://youjustneedpostgres.com/

Shortcuts (4 min)⌨️
https://www.andreinc.net/2026/03/09/shortcuts/

What Claude Code Actually Chooses (2 min)🤔
https://amplifying.ai/research/claude-code-picks

Wednesday Links - Edition 2026-03-04

Chris Kocel — Wed, 04 Mar 2026 09:30:40 +0000

JDK 26 G1/Parallel/Serial GC changes (10 min)🗑️
https://tschatzl.github.io/2026/02/26/jdk26-g1-serial-parallel-gc-changes.html

Moving beyond Strings in Spring Data (8 min)🧵
https://spring.io/blog/2026/02/27/moving-beyond-strings-in-spring-data

Optimizations in Spring MVC (5 min)🚀
https://spring.io/blog/2026/02/25/optimizing-spring-mvc

Surprising += Cast (Rerun) (9 min)😲
https://www.javaspecialists.eu/archive/Issue333-Surprising--Cast-Rerun.html

Avoiding the Next Supply Chain Disaster with GitHub and Gradle (12 min)📦
https://blog.gradle.org/avoid-supply-chain-disaster-with-github-gradle

Cipher Downgrade: How a Tomcat Update Could Weaken Your TLS Configuration (3 min)⬇️
https://foojay.io/today/tomcat-tlsv13-cipher-configuration-spring-boot/

In defence of correctness (11 min)🛡️
https://blog.ploeh.dk/2026/03/03/in-defence-of-correctness/

Wednesday Links - Edition 2026-02-25

Chris Kocel — Wed, 25 Feb 2026 16:47:04 +0000

Dissecting the CPU-Memory Relationship in Garbage Collection (15 min)🗑️
https://norlinder.nu/posts/GC-Cost-CPU-vs-Memory/

Redacting Data from Heap Dumps via hprof-redact (8 min)🗂️
https://mostlynerdless.de/blog/2026/02/24/redacting-data-from-heap-dumps-via-hprof-redact/

Quality Outreach Heads-up - JDK 26: DecimalFormat Uses the Double.toString(double) Algorithm (1 min)🔢
https://inside.java/2026/02/09/quality-heads-up/

JDK 26 Release Notes (3 min)📄
https://jdk.java.net/26/release-notes

Implementing a PID Controller in Java (6 min)⚙️
https://4comprehension.com/java-pid-controller/

How I estimate work as a staff software engineer (12 min)📊
https://www.seangoedecke.com/how-i-estimate-work/

Wednesday Links - Edition 2026-02-18

Chris Kocel — Wed, 18 Feb 2026 16:33:14 +0000

Writing JDK8-Compatible Libraries with Java Platform Module System Support (4 min)🤝
https://4comprehension.com/jdk8-with-jpms-support/

What if the add and remove methods in java.util.Collection had fluent counterparts? (4 min)💬
https://donraab.medium.com/what-if-the-add-and-remove-methods-in-java-util-collection-had-fluent-counterparts-ff2c104a8ca3

How to stub external services in integration tests (7 min)🔖
https://blog.allegro.tech/2026/02/how-to-stub-external-services.html

Announcing TamboUI (3 min)👩‍🍳
https://melix.github.io/blog//2026/02/17-announcing-tamboui.html

Post-Quantum Hybrid Key Exchange for TLS 1.3 (3 min)🗝️
https://inside.java/2026/02/17/tls-post-quantum-hybrid-key-exchange/

Enabling AI Agents to Use a Real Debugger Instead of Logging (5 min)🐛
https://foojay.io/today/enabling-ai-agents-to-use-a-real-debugger-instead-of-logging/

Optimizing the MongoDB Java Driver: How minor optimizations led to macro gains (14 min)📈
https://foojay.io/today/optimizing-the-mongodb-java-driver-how-minor-optimizations-led-to-macro-gains/

TIL: Docker log rotation (3 min)🔄
https://ntietz.com/blog/til-docker-log-rotation

Wednesday Links - Edition 2026-02-11

Chris Kocel — Wed, 11 Feb 2026 13:49:41 +0000

LazyConstants in JDK 26 - Inside Java Newscast #106 (10 min)🦥
https://nipafx.dev/inside-java-newscast-106/

10 Modern Java Features Senior Developers Use to Write 50% Less Code (6 min)✨
https://medium.com/@martinastaberger/10-modern-java-features-senior-developers-use-to-write-50-less-code-e2bab5d8d410

Java Explores Carrier Classes to Extend Data-Oriented Programming beyond Records (3 min)📮
https://www.infoq.com/news/2026/02/java-beyond-records/

Bootstrapping a Java File System (8 min)🗂️
https://foojay.io/today/bootstrapping-a-java-file-system/

JEP draft: Code reflection (Incubator) (1 min)🪞
https://openjdk.org/jeps/8361105

Testing Emails with Testcontainers and Mailpit (3 min)📧
https://foojay.io/today/testing-emails-with-testcontainers-and-mailpit/

In Praise of –dry-run (4 min)🪣
https://henrikwarne.com/2026/01/31/in-praise-of-dry-run/

Git Fork Pattern: Full Checkouts Without the Bloat (5 min)🍴
https://jonnyzzz.com/blog/2026/02/02/git-fork-pattern/

Wednesday Links - Edition 2026-02-04

Chris Kocel — Wed, 04 Feb 2026 16:50:07 +0000

Project Leyden & JDK 26: Bringing AOT Caching to ZGC (3 min)🪶
https://softwaremill.com/project-leyden-and-jdk-26-bringing-aot-caching-to-zgc/

ForkJoinPool.asyncCommonPool() (12 min)🏖️
https://www.javaspecialists.eu/archive/Issue332-ForkJoinPool.asyncCommonPool.html

Feedback on checked exceptions and lambdas (4 min)⚠️
https://blog.frankel.ch/feedback-checked-exceptions-lambdas/

Implementing Efficient Last Stream Elements Gatherer in Java (4 min)⛓️
https://4comprehension.com/java-last-gatherer/

Reproducing a Tricky Bug in Minutes With a Custom Linux Scheduler Written in Java (10 min)🐛
https://mostlynerdless.de/blog/2026/01/26/reproducing-a-tricky-bug-in-minutes-with-a-custom-linux-scheduler-written-in-java/

A new way to call C from Java: how fast is it? (11 min)🏃‍♂️
https://lemire.me/blog/2026/01/17/a-new-way-to-call-c-from-java-how-fast-is-it/

Kotlin DSLs in 2026: Patterns That Stood the Test of Time (3 min)⏳
https://jonnyzzz.com/blog/2026/01/19/kotlin-dsl-2026/

TechDebt - track and visualize technical debt directly in the codebase (1 min)📉
https://github.com/igorescodro/tech-debt

Some Thoughts on the Open Web (8 min)🌐
https://www.mnot.net/blog/2026/01/20/open_web

Software engineers should be a little bit cynical (10 min)😒
https://www.seangoedecke.com/a-little-bit-cynical

Wednesday Links - Edition 2026-01-21

Chris Kocel — Wed, 21 Jan 2026 13:57:04 +0000

Pointer Arithmetic in Modern Java (5 min)🔢
https://davidvlijmincx.com/posts/pointer-arithmetic-in-java/

Command completion: IntelliJ IDEA with less shortcuts (6 min)⌨️
https://maritvandijk.com/command-completion/

I'm changing my mind about serverless (4 min)☁️
https://advancedweb.hu/shorts/im-changing-my-mind-about-serverless/

Wednesday Links - Edition 2026-01-14

Chris Kocel — Wed, 14 Jan 2026 12:13:13 +0000

One Giant Leap: 95% Less Sampling Cost (13 min)🏃
https://norlinder.nu/posts/User-CPU-Time-JVM/

How a 40-Line Fix Eliminated a 400x Performance Gap (17 min)🏃
https://questdb.com/blog/jvm-current-thread-user-time/

Run Into the New Year with Java’s Ahead-of-Time Cache Optimizations (8 min)💾
https://inside.java/2026/01/09/run-aot-cache/

Two regimes of Git (6 min)🏛️
https://blog.ploeh.dk/2026/01/12/two-regimes-of-git/

Week Year: Java Date Formatting With YYYY Instead of yyyy (4 min)📅
https://todd.ginsberg.com/post/java/beware-of-week-year/

The Fastest Way to get the Version of a Java Installation (5 min)🏎️
https://mostlynerdless.de/blog/2026/01/12/the-fastest-way-to-get-the-version-of-a-java-installation/

OpenJDK is faster than GraalVM Java* (2 min)🏎️
https://mostlynerdless.de/blog/2026/01/09/openjdk-is-faster-than-graalvm-java/

Java's Plans for 2026 - Inside Java Newscast #104 (9 min)🔮
https://nipafx.dev/inside-java-newscast-104/

Wednesday Links - Edition 2026-01-07

Chris Kocel — Wed, 07 Jan 2026 21:05:11 +0000

Avoiding Fake Drift in Unit Tests (6 min)⛵
https://4comprehension.com/avoiding-fake-drift/

Virtual Thread States (12 min)🔄
https://www.javaspecialists.eu/archive/Issue331-Virtual-Thread-States.html