MethodArea
ApplicationClassLoader
LV OS DL RA
Verify
Resolve
Thread1
NativeMethodStack
Stack Frame
Profiler
JIT Compiler
Initialization
PC Registers for Thread n
Target CodeGenerator
...
Code Optimizer
ExtensionClassLoader
PC Registers for Thread 1
Intermediate CodeGenerator
HeapArea
PC Registers for Thread 2
Native MethodInterface（JNI）
GarbageCollection
Linking
Execution Engine
JVM架构图
Thread2
Class Loader SubSystem
Interpreter
RunTime Data Areas Stack Area PC Registers
Class Files
Thread3
Loading
Native MethodLibrary
Prepare
BootStrapClassLoader
