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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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PEM vs. PKCS#12 (P12/PFX): Understanding the Difference Between Certificate Formats

PEM vs. PKCS#12 (P12/PFX): Understanding the Difference Between Certificate Formats

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3 min read
When JNI Meets 'Write Once, Run Anywhere': Navigating Java's Multi-Architecture Reality

When JNI Meets 'Write Once, Run Anywhere': Navigating Java's Multi-Architecture Reality

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7 min read
Scaling the Data Layer in Distributed Systems

Scaling the Data Layer in Distributed Systems

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4 min read
How Does CompletableFuture Simplify Asynchronous Programming in Java?

How Does CompletableFuture Simplify Asynchronous Programming in Java?

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8 min read
How Do You Validate Query Parameters in Spring Boot?

How Do You Validate Query Parameters in Spring Boot?

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4 min read
I built a Search Engine from Scratch in Java (No ElasticSearch, No Lucene)

I built a Search Engine from Scratch in Java (No ElasticSearch, No Lucene)

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3 min read
Java ATM CLI Dev Log #3: VTU Features

Java ATM CLI Dev Log #3: VTU Features

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2 min read
How do you handle optional fields in request body in Spring Boot?

How do you handle optional fields in request body in Spring Boot?

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4 min read
How Do You Read Enum Values from Query Parameters in Spring Boot?

How Do You Read Enum Values from Query Parameters in Spring Boot?

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3 min read
TOON vs JSON en RAG (Java): el Grinch de los formatos cuando cada token cuenta 🎁

TOON vs JSON en RAG (Java): el Grinch de los formatos cuando cada token cuenta 🎁

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7 min read
How do you handle optional query parameters in Spring Boot?

How do you handle optional query parameters in Spring Boot?

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3 min read
Refactoring Your Classes with Clprolf and `indef_obj`

Refactoring Your Classes with Clprolf and `indef_obj`

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3 min read
How Do You Read Query Parameters in Spring Boot?

How Do You Read Query Parameters in Spring Boot?

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3 min read
Lazy vs. Eager Loading & JPA Relationships

Lazy vs. Eager Loading & JPA Relationships

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1 min read
Top 10 noteworthy Java errors in 2025

Top 10 noteworthy Java errors in 2025

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16 min read
How Do You Map Different Exceptions to Different HTTP Status Codes in Spring Boot?

How Do You Map Different Exceptions to Different HTTP Status Codes in Spring Boot?

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4 min read
How Do You Read Query Parameters in Spring Boot?

How Do You Read Query Parameters in Spring Boot?

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3 min read
Stop Mixing Up Unmodifiable Views and Immutable Lists

Stop Mixing Up Unmodifiable Views and Immutable Lists

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3 min read
Day 6: Understanding Java’s if, else if, and else Statements

Day 6: Understanding Java’s if, else if, and else Statements

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2 min read
Scaling Java with Write-Behind Caching

Scaling Java with Write-Behind Caching

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4 min read
The Squint Test: How I fix Code that looks like a Grey Brick

The Squint Test: How I fix Code that looks like a Grey Brick

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3 min read
How Do You Handle Validation Errors Globally in Spring Boot?

How Do You Handle Validation Errors Globally in Spring Boot?

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4 min read
Benchmark: easy-query vs jOOQ

Benchmark: easy-query vs jOOQ

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4 min read
Building Event-Driven Pipelines in Java Without Blocking Everything

Building Event-Driven Pipelines in Java Without Blocking Everything

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3 min read
Modern Java Features: Part 2 - From Java 22 to 25

Modern Java Features: Part 2 - From Java 22 to 25

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8 min read
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