---
title: "Abhinav K (@itsabhinavk) | Hashnode"
description: "Software Developer at IBM. Read the latest articles by Abhinav K on Hashnode."
url: "https://hashnode.com/@itsabhinavk"
---

@itsabhinavk

# Abhinav K

@itsabhinavk · Kochi, IN · Joined April 2025

Software Developer at IBM

### [Mastering Sealed Classes in Java: Model Hierarchies with Confidence](https://masterjava.hashnode.dev/mastering-sealed-classes-in-java-model-hierarchies-with-confidence?utm_source=hashnode&utm_medium=feed)

Java sealed classes control hierarchies, improve maintainability, and model domain logic with pattern matching

4 min read · [masterjava.hashnode.dev](https://masterjava.hashnode.dev/mastering-sealed-classes-in-java-model-hierarchies-with-confidence?utm_source=hashnode&utm_medium=feed)

[Apr 24, 2025](https://hashnode.com/posts/mastering-sealed-classes-in-java-model-hierarchies-with-confidence/6809ff56f224e43839891b45)