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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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🧩 Your MapStruct Mappers Are Hiding Null Bugs

🧩 Your MapStruct Mappers Are Hiding Null Bugs

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4 min read
How I Designed the Backend for My Point of Sale System with Spring Boot

How I Designed the Backend for My Point of Sale System with Spring Boot

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4 min read
Spring AI: The Senior Dev's Honest Take on Java's AI Moment

Spring AI: The Senior Dev's Honest Take on Java's AI Moment

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13 min read
Cobrança recorrente em produção: o que ninguém te conta antes da primeira cobrança duplicada

Cobrança recorrente em produção: o que ninguém te conta antes da primeira cobrança duplicada

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3 min read
Multitenancy de verdade num SaaS de PDV: as decisões que você não pode errar

Multitenancy de verdade num SaaS de PDV: as decisões que você não pode errar

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3 min read
RAG sobre o seu próprio código: o encanamento que separa o protótipo do produto

RAG sobre o seu próprio código: o encanamento que separa o protótipo do produto

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3 min read
Kth Permutation Sequence | Math + Greedy

Kth Permutation Sequence | Math + Greedy

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3 min read
What I Knew, and What I Built

What I Knew, and What I Built

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18 min read
Building POS Lite: A Full Stack Point of Sale System with Spring Boot, React and AWS

Building POS Lite: A Full Stack Point of Sale System with Spring Boot, React and AWS

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3 min read
Idempotência em ingestão de pedidos no Spring Boot: o que separa o protótipo da produção

Idempotência em ingestão de pedidos no Spring Boot: o que separa o protótipo da produção

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4 min read
단계별 성능 측정

단계별 성능 측정

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2 min read
Stop Hiding the Chain of Thought: Stream Claude 4.5 Native Thinking Blocks with Spring AI and SSE

Stop Hiding the Chain of Thought: Stream Claude 4.5 Native Thinking Blocks with Spring AI and SSE

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2 min read
Stop Editing Config Files for Every Appium Run — Use Spring Profiles

Stop Editing Config Files for Every Appium Run — Use Spring Profiles

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1 min read
Your circuit breaker stops at the service layer. Slow SQL needs one too.

Your circuit breaker stops at the service layer. Slow SQL needs one too.

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11 min read
Combination Sum II | Backtracking

Combination Sum II | Backtracking

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2 min read
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