摘要: 1 单一职责原则(Single Responsibility Principle) 2 开闭原则(Open-Closed Principle) 3 里氏代换原则(Liskov Substitution Principle) 4 依赖倒置原则(Dependence Inversion Principl 阅读全文
posted @ 2022-12-01 10:46 carry1899 阅读(24) 评论(0) 推荐(0)
摘要: 思考 编写-编译-运行。java文件编译后生成class文件,jvm是如何加载class文件? 1 准备工作 获取class文件byte[] public static byte[] getFileBytes(File file) { try (FileInputStream fileInputSt 阅读全文
posted @ 2022-11-29 19:22 carry1899 阅读(195) 评论(0) 推荐(0)
摘要: jdk HashMap源码阅读分析 java -version java version "1.8.0_271" Java(TM) SE Runtime Environment (build 1.8.0_271-b09) Java HotSpot(TM) 64-Bit Server VM (buil 阅读全文
posted @ 2022-11-28 20:57 carry1899 阅读(34) 评论(0) 推荐(0)