René's URL Explorer Experiment


Title: JavaGuide/docs/java/jvm/memory-area.md at main · MeLikeJava/JavaGuide · GitHub

Open Graph Title: JavaGuide/docs/java/jvm/memory-area.md at main · MeLikeJava/JavaGuide

X Title: JavaGuide/docs/java/jvm/memory-area.md at main · MeLikeJava/JavaGuide

Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - JavaGuide/docs/java/jvm/memory-area.md at main · MeLikeJava/JavaGuide

Open Graph Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - MeLikeJava/JavaGuide

X Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - MeLikeJava/JavaGuide

Opengraph URL: https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/blob/*name(/*path)
route-controllerblob
route-actionshow
fetch-noncev2:42c96da3-3402-e27a-12a6-7b20282f61cf
current-catalog-service-hashf3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id8D36:377B45:5EAC65:85666F:6A63030F
html-safe-nonceb7d8d8962117ce9378503ab48a8f5a705d6093f57b6efaf603017ff9e1fadc77
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4RDM2OjM3N0I0NTo1RUFDNjU6ODU2NjZGOjZBNjMwMzBGIiwidmlzaXRvcl9pZCI6IjMyNTM2OTQ1Mzc0ODQ0MDM0NzEiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmacfc66fddbc50aa522c7ba5d1d3aef1bd52ca388d4f59319b016f391ef8b854b68
hovercard-subject-tagrepository:642280956
github-keyboard-shortcutsrepository,source-code,file-tree,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///blob/show
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md
twitter:imagehttps://opengraph.githubassets.com/0796a1799fa3b571e4fe1c08e246b2581b31fb4e0f7f1756ec31a2dff9d847f8/MeLikeJava/JavaGuide
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/0796a1799fa3b571e4fe1c08e246b2581b31fb4e0f7f1756ec31a2dff9d847f8/MeLikeJava/JavaGuide
og:image:alt「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - MeLikeJava/JavaGuide
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
None14517cd57568049be7ed25bfe9708f10d1e36b7254adfd920dfb9d44bcc71c41
turbo-cache-controlno-cache
go-importgithub.com/MeLikeJava/JavaGuide git https://github.com/MeLikeJava/JavaGuide.git
octolytics-dimension-user_id50959795
octolytics-dimension-user_loginMeLikeJava
octolytics-dimension-repository_id642280956
octolytics-dimension-repository_nwoMeLikeJava/JavaGuide
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forktrue
octolytics-dimension-repository_parent_id132464395
octolytics-dimension-repository_parent_nwoSnailclimb/JavaGuide
octolytics-dimension-repository_network_root_id132464395
octolytics-dimension-repository_network_root_nwoSnailclimb/JavaGuide
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release4b2ed33e3827bc186c45c037f9274b5493aaca4c
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FMeLikeJava%2FJavaGuide%2Fblob%2Fmain%2Fdocs%2Fjava%2Fjvm%2Fmemory-area.md
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
Code QualityEnforce quality at mergehttps://github.com/features/code-quality
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FMeLikeJava%2FJavaGuide%2Fblob%2Fmain%2Fdocs%2Fjava%2Fjvm%2Fmemory-area.md
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fblob%2Fshow&source=header-repo&source_repo=MeLikeJava%2FJavaGuide
Reloadhttps://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md
Reloadhttps://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md
Reloadhttps://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md
MeLikeJava https://github.com/MeLikeJava
JavaGuidehttps://github.com/MeLikeJava/JavaGuide
Snailclimb/JavaGuidehttps://github.com/Snailclimb/JavaGuide
Notifications https://github.com/login?return_to=%2FMeLikeJava%2FJavaGuide
Fork 0 https://github.com/login?return_to=%2FMeLikeJava%2FJavaGuide
Star 1 https://github.com/login?return_to=%2FMeLikeJava%2FJavaGuide
Code https://github.com/MeLikeJava/JavaGuide
Pull requests 0 https://github.com/MeLikeJava/JavaGuide/pulls
Actions https://github.com/MeLikeJava/JavaGuide/actions
Projects https://github.com/MeLikeJava/JavaGuide/projects
Security and quality 0 https://github.com/MeLikeJava/JavaGuide/security
Insights https://github.com/MeLikeJava/JavaGuide/pulse
Code https://github.com/MeLikeJava/JavaGuide
Pull requests https://github.com/MeLikeJava/JavaGuide/pulls
Actions https://github.com/MeLikeJava/JavaGuide/actions
Projects https://github.com/MeLikeJava/JavaGuide/projects
Security and quality https://github.com/MeLikeJava/JavaGuide/security
Insights https://github.com/MeLikeJava/JavaGuide/pulse
https://github.com/MeLikeJava/JavaGuide
JavaGuidehttps://github.com/MeLikeJava/JavaGuide/tree/main
docshttps://github.com/MeLikeJava/JavaGuide/tree/main/docs
javahttps://github.com/MeLikeJava/JavaGuide/tree/main/docs/java
jvmhttps://github.com/MeLikeJava/JavaGuide/tree/main/docs/java/jvm
Historyhttps://github.com/MeLikeJava/JavaGuide/commits/main/docs/java/jvm/memory-area.md
https://github.com/MeLikeJava/JavaGuide/commits/main/docs/java/jvm/memory-area.md
JavaGuidehttps://github.com/MeLikeJava/JavaGuide/tree/main
docshttps://github.com/MeLikeJava/JavaGuide/tree/main/docs
javahttps://github.com/MeLikeJava/JavaGuide/tree/main/docs/java
jvmhttps://github.com/MeLikeJava/JavaGuide/tree/main/docs/java/jvm
Rawhttps://github.com/MeLikeJava/JavaGuide/raw/refs/heads/main/docs/java/jvm/memory-area.md
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#前言
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#运行时数据区域
https://camo.githubusercontent.com/6770f2ff1983531bed9060e862a33fd2be61d48215ce4bd3235b6d5e137e98be/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f6a6176612d72756e74696d652d646174612d61726561732d6a646b312e372e706e67
https://camo.githubusercontent.com/f771334bc8b9c6de0a42245b3dff956a8c8f77c1bc5727fe2c978c61b61dc6fd/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f6a6176612d72756e74696d652d646174612d61726561732d6a646b312e382e706e67
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#程序计数器
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#java-虚拟机栈
https://camo.githubusercontent.com/2157ccb9641a14a49c38a9e222561986a1a453abeb402ef4ce2f18e4b262f7a5/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f737461636b2d617265612e706e67
https://camo.githubusercontent.com/b90b5e7dc41aaf3a8befffefbb3ee39c754e5dbb5ca6b47a2d9095aa9dd0ae4a/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f6c6f63616c2d7661726961626c65732d7461626c652e706e67
https://camo.githubusercontent.com/89eec5dbd752961bd54e8ca8700caf97bc699072c5495b860f90531af8d7557b/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a766d696d6167652d32303232303333313137353733383639322e706e67
https://camo.githubusercontent.com/a0ac42d5d7f492db87c6b8edbe26b2fb38bc51821af34bb08bf31f314fbcd8a3/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f254533253830253841254536254237254231254535253835254135254537253930253836254538254137254133254538253939253941254536253842253946254536253943254241254533253830253842254537254143254143254534254238253839254537253839253838254537253941253834254537254143254143322545372541422541302d2545382539392539412545362538422539462545362539432542412545362541302538382e706e67
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#本地方法栈
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#堆
https://camo.githubusercontent.com/18cfd37b3a9fe0ac0dd4ec0ac26c3dd99313ad5b5a0ad4920a98ff99d247f409/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f686f7473706f742d686561702d7374727563747572652e706e67
issue552https://github.com/Snailclimb/JavaGuide/issues/552
Default Java 8 max heap sizehttps://stackoverflow.com/questions/28272923/default-xmxsize-in-java-8-max-heap-size
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#方法区
https://camo.githubusercontent.com/565d32fd8f2a527cb7ab5cc718c2ffc8d6b29dbf2d5d81ae69882c6c46155780/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f6d6574686f642d617265612d696d706c656d656e746174696f6e2e706e67
https://camo.githubusercontent.com/f2f029f7713cc92be8774a8a6a7a45f8c9f49cfce75bc314c8a604614688dc0a/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f32303231303432353133343530383131372e706e67
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#运行时常量池
https://camo.githubusercontent.com/d1fda1e488ccc1c65b9688808fffa2b438b1df6be82c752f30d4c7fda72f3a0a/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f73796d626f6c2d7265666572656e63652d616e642d6469726563742d7265666572656e63652e706e67
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#字符串常量池
https://camo.githubusercontent.com/d98b4557255cf33bc2e0e5e9aeea1e94271fd2c794dd4f3d27965eb8eb6ccb09/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f6d6574686f642d617265612d6a646b312e362e706e67
https://camo.githubusercontent.com/28580dced7ddbc4d7fe598997bc6661d32f8d716feed668449b48fb6792e2279/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f6d6574686f642d617265612d6a646b312e372e706e67
JVM 常量池中存储的是对象还是引用呢？ - RednaxelaFX - 知乎https://www.zhihu.com/question/57109429/answer/151717241
《深入理解 Java 虚拟机（第 3 版）》样例代码&勘误https://github.com/fenixsoft/jvm_book
issue#112https://github.com/fenixsoft/jvm_book/issues/112
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#直接内存
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#hotspot-虚拟机对象探秘
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#对象的创建
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#step1类加载检查
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#step2分配内存
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#step3初始化零值
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#step4设置对象头
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#step5执行-init-方法
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#对象的内存布局
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#对象的访问定位
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#句柄
https://camo.githubusercontent.com/bc67387e51ae363607fdfacf51835737d8bff56bedc08370b17e788b15e80f92/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f6163636573732d6c6f636174696f6e2d6f662d6f626a6563742d68616e646c652e706e67
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#直接指针
https://camo.githubusercontent.com/0b60532d6b187f407091655fa6377e6105bbb8cf8ccad9eb5f59133ec49a5a29/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6a766d2f6163636573732d6c6f636174696f6e2d6f662d6f626a6563742d68616e646c652d6469726563742d706f696e7465722e706e67
https://github.com/MeLikeJava/JavaGuide/blob/main/docs/java/jvm/memory-area.md#参考
https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-2.htmlhttps://docs.oracle.com/javase/specs/jvms/se8/html/jvms-2.html
https://chenxitag.com/archives/368https://chenxitag.com/archives/368
https://www.zhihu.com/question/55994121/answer/147296098https://www.zhihu.com/question/55994121/answer/147296098
https://www.zhihu.com/question/57109429/answer/151717241https://www.zhihu.com/question/57109429/answer/151717241
http://www.pointsoftware.ch/en/under-the-hood-runtime-data-areas-javas-memory-model/http://www.pointsoftware.ch/en/under-the-hood-runtime-data-areas-javas-memory-model/
https://dzone.com/articles/jvm-permgen-%E2%80%93-where-art-thouhttps://dzone.com/articles/jvm-permgen-%E2%80%93-where-art-thou
https://stackoverflow.com/questions/9095748/method-area-and-permgenhttps://stackoverflow.com/questions/9095748/method-area-and-permgen
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.