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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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Java Date Formatting Bug: YYYY vs yyyy Explained

Java Date Formatting Bug: YYYY vs yyyy Explained

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3 min read
From O(n ) to O(n): Replace Nested Loops with a HashMap in Java

From O(n ) to O(n): Replace Nested Loops with a HashMap in Java

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4 min read
Logs Aren't an Audit Trail: Debugging Business Data in Spring Boot

Logs Aren't an Audit Trail: Debugging Business Data in Spring Boot

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6 min read
Exorcist: I made the ghosts of legacy Java code explain themselves (and tried to stop them lying)

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Exorcist: I made the ghosts of legacy Java code explain themselves (and tried to stop them lying)

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6 min read
Digital Ofrenda

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Digital Ofrenda

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3 min read
Java Erases Your Generics. TypeScript Erases Every Type. What Survives to Runtime

Java Erases Your Generics. TypeScript Erases Every Type. What Survives to Runtime

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9 min read
Docker Compose 配置 JAVA 变量

Docker Compose 配置 JAVA 变量

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1 min read
Kuyō: a funeral for the code you deleted, written by a local Gemma

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Kuyō: a funeral for the code you deleted, written by a local Gemma

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8 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
Encrypting Sensitive Data in Spring Boot: AES-256-GCM Explained with a Real-World Example

Encrypting Sensitive Data in Spring Boot: AES-256-GCM Explained with a Real-World Example

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8 min read
A hash map is just an array that computes its own index

A hash map is just an array that computes its own index

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5 min read
Hibernate filters don't apply to findById: a multi-tenancy leak in Spring Boot 4

Hibernate filters don't apply to findById: a multi-tenancy leak in Spring Boot 4

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4 min read
Java and Kotlin news: JDK 28 gets structured concurrency and AOT code

Java and Kotlin news: JDK 28 gets structured concurrency and AOT code

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8 min read
Agentic AI and Multi-Agent Systems: From Single Prompts to Coordinated Teams

Agentic AI and Multi-Agent Systems: From Single Prompts to Coordinated Teams

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8 min read
Observability Explained: Logs, Metrics and Traces

Observability Explained: Logs, Metrics and Traces

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5 min read
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