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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
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
Standing on shoulders: the stack that makes Floci start in ~24ms

Standing on shoulders: the stack that makes Floci start in ~24ms

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3 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
Exception Handling in Java

Exception Handling in Java

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5 min read
Exception Handling in Java

Exception Handling in Java

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1 min read
PostgreSQL 18 Temporal Foreign Keys with Spring Boot JPA

PostgreSQL 18 Temporal Foreign Keys with Spring Boot JPA

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9 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
How to Recover Kafka DLQ Messages After a Schema Change Broke Your Consumer

How to Recover Kafka DLQ Messages After a Schema Change Broke Your Consumer

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6 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
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