---
title: "Discussion on \"Visitor Pattern\" | Hashnode"
description: "Discussion on \"Visitor Pattern\". Master the Visitor Pattern to add new operations to stable class hierarchies without modifying them, using double dispatch."
url: "https://hashnode.com/posts/visitor-pattern/6a509962ba3fc4da37b94b22"
---

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# [Visitor Pattern](https://jyanshu.hashnode.dev/visitor-pattern?utm_source=hashnode&utm_medium=feed)

Master the Visitor Pattern to add new operations to stable class hierarchies without modifying them, using double dispatch.

Jun 22 · 10 min read · jyanshu.hashnode.dev  
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-   [#visitor](https://hashnode.com/tag/visitor)
-   [#visitor-design-pattern](https://hashnode.com/tag/visitor-design-pattern)
-   [#lld](https://hashnode.com/tag/lld)
-   [#lld-backend](https://hashnode.com/tag/lld-backend)
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-   [#low-level-design](https://hashnode.com/tag/low-level-design)
-   [#low-code-development](https://hashnode.com/tag/low-code-development)
-   [#low-level-programming](https://hashnode.com/tag/low-level-programming)
-   [#low-level-system-design](https://hashnode.com/tag/low-level-system-design)
-   [#low-level-engineering](https://hashnode.com/tag/low-level-engineering)
-   [#design-patterns](https://hashnode.com/tag/design-patterns)
-   [#design](https://hashnode.com/tag/design)
-   [#design-and-architecture](https://hashnode.com/tag/design-and-architecture)
-   [#design-principles](https://hashnode.com/tag/design-principles)
-   [#software](https://hashnode.com/tag/software)
-   [#Software](https://hashnode.com/tag/Software)
-   [#software-development](https://hashnode.com/tag/software-development)
-   [#software-engineering](https://hashnode.com/tag/software-engineering)
-   [#software-architecture](https://hashnode.com/tag/software-architecture)
-   [#software-design](https://hashnode.com/tag/software-design)

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