JVM字节码指令解析的相关内容

文章 2022-04-24 来自：开发者社区

JVM 字节码指令解析（下）

3. 访问标志Access_Flag 访问标志访问标识信息包括该Class文件时类和接口是否被定义成了public，是否是 abstract, 如果是类，是否被申明为成final。通过扇面的源代码。0x 00 21: 表示是0x0020 和0x0001的并集, 表示 ACC_PUBLIC 与 ACC_SUPER4. 类索引、父类索引00 03 类名， 03 常量池位置 ....

文章 2022-04-24 来自：开发者社区

JVM 字节码指令解析（上）

class 类文件结构Java 提供 javap 命令可以分析字节码文件，我们可以使用 javap -verbose 命令分析一个字节码文件时，将会分析该字节码文件的魔数、版本号、常量池、类信息、类的构造方法、类中的方法信息、类变量与成员变量等信息。一个简单的 Java 代码public class TestClass { private int m; public int i...

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更新时间 2023-01-14 18:08:16

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