---
title: "Discussion on \"Sealed and Non-Sealed Classes\" | Hashnode"
description: "Discussion on \"Sealed and Non-Sealed Classes\". Java 17 sealed and non-sealed class"
url: "https://hashnode.com/posts/sealed-and-non-sealed-classes/69489cc59ed3c133681824c8"
---

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# [Sealed and Non-Sealed Classes](https://javaspring.hashnode.dev/sealed-and-non-sealed-classes?utm_source=hashnode&utm_medium=feed)

Java 17 sealed and non-sealed class

Dec 22, 2025 · 7 min read · javaspring.hashnode.dev  
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-   [#java-17](https://hashnode.com/tag/java-17)

## Written by

[Vijaya Krishna Tatikondala](https://hashnode.com/@vtatikondala)

@vtatikondala

  
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15+ years of Java & Spring Boot: Learn enterprise architecture and SQL with me.

Senior Backend Engineer with 15 years of experience specializing in Java, Spring Boot, and Cloud Architecture (AWS). Passionate about clean code, performance tuning, and mentoring the next generation of developers.

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