For starters, JRebel works on a different level of abstraction than HotSwap.

对于初学者来说，JRebel工作在与HotSwap不同的一个抽象层面上。

youdao

This question has been asked a lot during the almost 10 years since the introduction of HotSwap.

自从引入了HotSwap之后，在最近的10年，这一问题已经被问了非常多次。

youdao

Hotswap is also ignorant of classloaders, it identifies classes only by their name and works only for existing classes.

Hotswap对classloader也是一无所知，它只是通过类名来识别类，并且只能处理已存在的类。

youdao