> For the complete documentation index, see [llms.txt](https://jack80342.gitbook.io/spring-boot/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jack80342.gitbook.io/spring-boot/ix.-how-to-guides/85.-hot-swapping/85.4-reload-java-classes-without-restarting-the-container.md).

# 85.4 在不重启容器的情况下重新加载Java类

许多现代IDE（Eclipse、IDEA等）都支持字节码的热交换。所以如果你做了一个没有影响类或方法签名的改变，它会利索地重新加载并没有任何影响。