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Java

More than just a cup of coffee, Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

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The One-Character OAuth Bug That Broke Our API

The One-Character OAuth Bug That Broke Our API

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2 min read
How floci-gcp builds GCP wire compatibility on Google's own protobuf (and stays maintainable)

How floci-gcp builds GCP wire compatibility on Google's own protobuf (and stays maintainable)

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7 min read
HashMap Internal Working Explained with Examples

HashMap Internal Working Explained with Examples

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4 min read
How I Use Claude Code and Jira MCP to Modernize Legacy Codebases

How I Use Claude Code and Jira MCP to Modernize Legacy Codebases

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7 min read
retry-thread-pool: a retrying executor for Java

retry-thread-pool: a retrying executor for Java

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3 min read
ANTLR Is Powerful — But Sometimes You Don’t Need a Parser Generator

ANTLR Is Powerful — But Sometimes You Don’t Need a Parser Generator

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5 min read
What a Playground: Building a Blockchain Sandbox with Yano and Yaci Store

What a Playground: Building a Blockchain Sandbox with Yano and Yaci Store

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7 min read
Building a Local-First AI Assistant with Spring Boot 4 and Spring AI 2.0

Building a Local-First AI Assistant with Spring Boot 4 and Spring AI 2.0

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9 min read
Obfuscate Java in Maven workflow

Obfuscate Java in Maven workflow

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7 min read
I Built a Vector Search Engine from Scratch — Here's What I Learned

I Built a Vector Search Engine from Scratch — Here's What I Learned

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5 min read
5 Project Reactor Techniques That Turned My Blocking Java Code Into High-Performance Pipelines

5 Project Reactor Techniques That Turned My Blocking Java Code Into High-Performance Pipelines

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7 min read
Spring Boot 4 + Jackson 3 — less JSON boilerplate with yupzip-json

Spring Boot 4 + Jackson 3 — less JSON boilerplate with yupzip-json

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4 min read
The Death of the Strategy Pattern: Why Java’s Sealed Hierarchies Rule 2026 Agentic Workflows

The Death of the Strategy Pattern: Why Java’s Sealed Hierarchies Rule 2026 Agentic Workflows

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2 min read
How to Fix Gradle Error: Unsupported class file major version (React Native & Expo)

How to Fix Gradle Error: Unsupported class file major version (React Native & Expo)

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3 min read
What Happens Internally When You Submit a Task to ExecutorService?

What Happens Internally When You Submit a Task to ExecutorService?

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3 min read
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