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java语言反射的概述以及三种获取字节码文件对应的Class类型的对象的方式

反射的概述：　　JAVA反射机制是在运行状态中，　　对于任意一个类，都能够知道这个类的所有属性和方法(动态获取的信息)；　　对于任意一个对象，都能够调用它的任意一个方法和属性(动态调用对象的方法)；　　这种动态获取的信息以及动态调用对象的方法的功能称为java语言的反射机制。　　简言之：通...

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Java二进制指令代码以以下格式紧凑排列（opcode占一个字节）： opcode operand* 除了tableswitch和lookupswitch两条指令中间存在填充字节以外，其他指令都没有填充字节，即使在两条指令之间也没有。因而在读取指令的时候，要根据指令的定义读取。通过对上...

Java字节码（.class文件）格式详解（三）

2.11 在ClassFile、method_info、field_info中同时存在的Attribute 2.11.1 Synthetic Attribute Synthetic Attribute用于指示当前类、接口、方法或字段...

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Java字节码（.class文件）格式详解（一）

小介：去年在读《深入解析JVM》的时候写的，记得当时还想着用自己的代码解析字节码的，最后只完成了一部分。现在都不知道还有没有保留着，貌似Apache有现成的BCEL工程可以做这件事。当时也只是为了学习。这份资料主要参考《深入解析JVM》和《Java虚拟机规范》貌似是1.2版本的，整理出来的。里面包含...

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更新时间 2024-04-30 09:16:32

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