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Java
程序
从源
代码
到
运行
一般有哪三步
Java
的static
代码
块在
Java
类初始化时
运行
的顺序和过程是什么？
程序运行代码修改
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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
access表中字段为空时，程序运行产生中断，大家看下这些代码该怎么修改？
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低代码音视频工厂
低代码音视频工厂（Apsara Video PaaS）覆盖电商直播、企业直播、在线教育、娱乐直播、语聊房等多种业务场景，基于阿里云云原生、音视频、AI智能算法和网络等先进技术，助力企业快速搭建高品质的专属音视频业务平台。
管理控制台
购买资源包
直播间Demo体验
最新活动
开发者实战营
场景产品
电商直播/企业直播
互动课堂
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低代码音视频工厂
低代码音视频工厂（Apsara Video PaaS）覆盖电商直播、企业直播、在线教育、娱乐直播、语聊房等多种业务场景，基于阿里云云原生、音视频、AI智能算法和网络等先进技术，助力企业快速搭建高品质的专属音视频业务平台。
管理控制台
购买资源包
直播间Demo体验
最新活动
开发者实战营
场景产品
电商直播/企业直播
互动课堂
