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打扰大家一下，请教一个技术问题，就是我这边做java线上代码热更新的功能，自定义classloader ，系统启动的时候会把所有的类都加载，然后我这变在程序运行期间修改某个类，然后通过自定义的classloader 去重加加载这个修改的类，自定义的classloader ，重新覆写了Class findClass(String name) throws ClassNotFoundException 发放，然后就是每次调用这个方法的时候，都是从新读写最新的.class 文件字节流，但是重新加载还是

本问题及下方已被采纳的回答均来自云栖社区【阿里Java技术进阶2群】。https://yq.aliyun.com/articles/690084 点击链接欢迎加入社区大社群。

在java程序中如何读写带有Geometry对象的表

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