Java Evolution to Cloud Native

The Java Renaissance - From J2EE to Cloud Native

Explore the evolution of Java: from the heavyweight J2EE servers to Quarkus鈥檚 subatomic efficiency in a Cloud Native world.

January 24, 2026 路 7 min 路 Matheus Oliveira
Testing errors

Unit Tests in Java - Introduction

A complete beginner鈥檚 guide to unit testing in Java, covering concepts, best practices, and examples with JUnit 5 and Mockito.

January 23, 2026 路 4 min 路 Matheus Oliveira
Two Pointers Technique Diagram

Do you know about slow index and fast index?

Learn how to reduce algorithm complexity from O(n虏) to O(n) using the two-pointer technique.

January 23, 2026 路 2 min 路 Matheus Oliveira