JVM Architectures and Components

This section presents a JVM architecture and components shared by most JVM implementations.

Most JVM implementations share a similar architecture and some key components as illustrated in the diagram below:

JVM Architecture and Components
JVM Architecture and Components

Functionalities provided by different components are described blow:

Last update: 2018.

Table of Contents

 About This Book

JVM (Java Virtual Machine) Specification

 What Is JVM (Java Virtual Machine)

 What Is JVM Specfication

JVM Architectures and Components

 Implementations of JVM Specfication

 Java HotSpot VM - JVM by Oracle/Sun

 java.lang.Runtime Class - The JVM Instance

 java.lang.System Class - The Operating System

 ClassLoader Class - Class Loaders

 Class Class - Class Reflections

 JVM Runtime Data Areas

 JVM Stack, Frame and Stack Overflow

 Thread Testing Program and Result

 CPU Impact of Multi-Thread Applications

 I/O Impact of Multi-Thread Applications

 CDS (Class Data Sharing)

 Micro Benchmark Runner and JVM Options

 Micro Benchmark Tests on "int" Operations

 Micro Benchmark Tests on "long" Operations

 Micro Benchmark Tests in JIT Compilation Mode

 Micro Benchmark Tests on "float" and "double" Operations

 JRockit JVM 28.2.7 by Oracle Corporation

 Outdated Tutorials

 References

 Full Version in PDF/EPUB