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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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Maximizing 1s with a Single Flip: An Elegant Application of Kadane's Algorithm

Maximizing 1s with a Single Flip: An Elegant Application of Kadane's Algorithm

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3 min read
Unlocking Java Power: How to Implement Polymorphism in Real Applications

Unlocking Java Power: How to Implement Polymorphism in Real Applications

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4 min read
Serverless applications on AWS with Lambda using Java 25, API Gateway and Aurora DSQL - Part 6 Using GraalVM Native Image

Serverless applications on AWS with Lambda using Java 25, API Gateway and Aurora DSQL - Part 6 Using GraalVM Native Image

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14 min read
Agent Memory with LangChain4j and Oracle AI Database

Agent Memory with LangChain4j and Oracle AI Database

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6 min read
I built a free Java practice playground with a built-in compiler — here's what I learned (and what's inside)

I built a free Java practice playground with a built-in compiler — here's what I learned (and what's inside)

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3 min read
MiniStack Now Emulates Amazon EKS — Free, Open-Source AWS Emulator v1.2.20

MiniStack Now Emulates Amazon EKS — Free, Open-Source AWS Emulator v1.2.20

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2 min read
Mastering Unit Testing in Spring Boot: How I Achieved 70%+ Coverage for Open Source

Mastering Unit Testing in Spring Boot: How I Achieved 70%+ Coverage for Open Source

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2 min read
Why This Backend Engineer Stopped Calling LLM APIs From Every Service And Started Running a Local Agent Instead

OpenClaw Challenge Submission 🦞

Why This Backend Engineer Stopped Calling LLM APIs From Every Service And Started Running a Local Agent Instead

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9 min read
Constructors in Java

Constructors in Java

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1 min read
JavaScript Modules: Why, How, and When to Use Export and Import

JavaScript Modules: Why, How, and When to Use Export and Import

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4 min read
Constructor in Java

Constructor in Java

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1 min read
What Being at JCON Europe Teaches Me (Beyond the Talks)

What Being at JCON Europe Teaches Me (Beyond the Talks)

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5 min read
Mastering Spring Batch Job Parameters and Execution Context

Mastering Spring Batch Job Parameters and Execution Context

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2 min read
Day 1: Building My Smart Reconciliation and Audit System from Scratch

Day 1: Building My Smart Reconciliation and Audit System from Scratch

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2 min read
Meu primeiro bootcamp na DIO (CI&T Java backend)

Meu primeiro bootcamp na DIO (CI&T Java backend)

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3 min read
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