Ivan Ryndin iryndin
iryndin
/ ObjectHeader32.txt
Created
October 27, 2017 14:07
— forked from arturmkrtchyan/ObjectHeader32.txt
Java Object Header
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| |----------------------------------------------------------------------------------------|--------------------| | |
| | Object Header (64 bits) | State | | |
| |-------------------------------------------------------|--------------------------------|--------------------| | |
| | Mark Word (32 bits) | Klass Word (32 bits) | | | |
| |-------------------------------------------------------|--------------------------------|--------------------| | |
| | identity_hashcode:25 | age:4 | biased_lock:1 | lock:2 | OOP to metadata object | Normal | | |
| |-------------------------------------------------------|--------------------------------|--------------------| | |
| | thread:23 | epoch:2 | age:4 | biased_lock:1 | lock:2 | OOP to metadata object | Biased | | |
| |-------------------------------------------------------|--------------------------------|--------------------| | |
| | |
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| import java.io.BufferedReader; | |
| import java.io.File; | |
| import java.io.FileNotFoundException; | |
| import java.io.FileReader; | |
| import java.io.IOException; | |
| import java.nio.file.Paths; | |
| import java.util.LinkedList; | |
| import java.util.List; | |
| public class Search { |