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Java: When Life Gives You Problems, Build a ProblemFactory

Java: When Life Gives You Problems, Build a ProblemFactory

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8 min read
Write Once, Debug Everywhere

Write Once, Debug Everywhere

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3 min read
Running Java 21 and Java 25 in the browser via WebAssembly

Running Java 21 and Java 25 in the browser via WebAssembly

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2 min read
Your Java Dependencies Still Call sun.misc.Unsafe and the JDK Has Started Saying So

Your Java Dependencies Still Call sun.misc.Unsafe and the JDK Has Started Saying So

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2 min read
How much RAM does a Java application really need? Sizing a small server

How much RAM does a Java application really need? Sizing a small server

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2 min read
Java Virtual Threads vs Kotlin Coroutines: Suspension Models and the Shifting Bottleneck

Java Virtual Threads vs Kotlin Coroutines: Suspension Models and the Shifting Bottleneck

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14 min read
JUnit 6 Parameterized Tests: The Complete Guide to Data-Driven Testing on the JVM

JUnit 6 Parameterized Tests: The Complete Guide to Data-Driven Testing on the JVM

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16 min read
AssertJ vs Kotest Assertions: picking the right assertion library for JVM tests

AssertJ vs Kotest Assertions: picking the right assertion library for JVM tests

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15 min read
A Java Architect Mapped AI Into Four Layers: Where Java Wins Today and Where It Still Hurts

A Java Architect Mapped AI Into Four Layers: Where Java Wins Today and Where It Still Hurts

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8 min read
Structured Concurrency vs CompletableFuture: How Java Finally Fixed Parallel Calls

Structured Concurrency vs CompletableFuture: How Java Finally Fixed Parallel Calls

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8 min read
5 JVM Heap OOM Patterns You Can Reproduce on Your Laptop

5 JVM Heap OOM Patterns You Can Reproduce on Your Laptop

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2 min read
Your Fargate Autoscaler Doesn't Understand Your JVM (by Default): Lessons Learned the Hard Way

Your Fargate Autoscaler Doesn't Understand Your JVM (by Default): Lessons Learned the Hard Way

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14 min read
Inside Java Card: JVM for Battery-Less Microcontrollers

Inside Java Card: JVM for Battery-Less Microcontrollers

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4 min read
Oracle JDK 21 Goes Paid on October 20: Temurin vs Corretto vs JDK 25, and How to Choose

Oracle JDK 21 Goes Paid on October 20: Temurin vs Corretto vs JDK 25, and How to Choose

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6 min read
Does finally Run Before return? What javac Actually Does

Does finally Run Before return? What javac Actually Does

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5 min read
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