# Java Is Fast. Your Code Might Not Be

**URL:** <https://forum.devtalk.com/t/java-is-fast-your-code-might-not-be/238529>\
**Category:** Backend In The News\
**Tags:** via-news-bot, java, in-the-news, code\
**Created:** [21 March 2026 13:50 UTC](https://forum.devtalk.com/t/java-is-fast-your-code-might-not-be/238529 "2026-03-21T13:50:12Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![CommunityNews](https://forum.devtalk.com/user_avatar/forum.devtalk.com/communitynews/32/1113_2.png) [@CommunityNews](https://forum.devtalk.com/u/CommunityNews)\
**Post date:** [21 March 2026 13:50 UTC](https://forum.devtalk.com/t/java-is-fast-your-code-might-not-be/238529/1 "2026-03-21T13:50:12Z")

</div>

> Fixing common Java anti-patterns took an app from 1,198ms to 239ms. Eight patterns that compile fine and pass code review but silently drain CPU and balloon heap, with benchmarks and code fixes for each

Read in full here:

> **[Java Is Fast. Your Code Might Not Be. | Jonathan Vogel](https://jvogel.me/posts/2026/java-is-fast-your-code-might-not-be/)**
>
> Fixing common Java anti-patterns took an app from 1,198ms to 239ms. Eight patterns that compile fine and pass code review but silently drain CPU and balloon heap, with benchmarks and code fixes for each