随笔分类 - java2_补充
主要包含常用类,IO流和集合的相关知识点
摘要:JVM 狂神说笔记——JVM入门07 - subeiLY - 博客园 (cnblogs.com) 1 双亲委派机制: 为什么根加载器有String,还会报错? 因为那个是源码,但是你自己新写了一个String类,试图修改源码,所以会报错。向上委托,尽量让父辈加载,不行再通知子类加载器进行加载。 例子
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摘要:注解 注解入门 //什么是注解 public class Demo01_Annotation extends Object { //@Override就是一个注解 @Override public String toString() { return super.toString(); } } 内置
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摘要:多线程 目录 线程简介 线程实现(重点) 线程状态 线程同步(重点) 线程通信问题 高级主题 狂神说多线程学习总结_散人不修的博客-CSDN博客 狂神说多线程笔记整理Java学到头秃的博客-CSDN博客狂神多线程笔记 第二个的更加详细。 2 线程实现 继承Thread类 调用start()开启线程是
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摘要:
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https://img2022.cnblogs.com/blog/2800835/202204/2800835-20220426222056150-1231129262.png
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摘要:
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摘要:
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