René's URL Explorer Experiment


Title: JavaGuide/docs/java/new-features/java12-13.md at refs/heads/main · SuiJavaStudy/JavaGuide · GitHub

Open Graph Title: JavaGuide/docs/java/new-features/java12-13.md at refs/heads/main · SuiJavaStudy/JavaGuide

X Title: JavaGuide/docs/java/new-features/java12-13.md at refs/heads/main · SuiJavaStudy/JavaGuide

Description: Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发与系统设计。准备后端技术面试，首选 JavaGuide！ - JavaGuide/docs/java/new-features/java12-13.md at refs/heads/main · SuiJavaStudy/JavaGuide

Open Graph Description: Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发与系统设计。准备后端技术面试，首选 JavaGuide！ - SuiJavaStudy/JavaGuide

X Description: Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发与系统设计。准备后端技术面试，首选 JavaGuide！ - SuiJavaStudy/JavaGuide

Opengraph URL: https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/blob/*name(/*path)
route-controllerblob
route-actionshow
fetch-noncev2:282e9041-6c57-645a-4212-b5d18c47e4f7
current-catalog-service-hashf3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id8F3A:186B1F:88661E:B65378:6A5B67AF
html-safe-nonce8b7d004b8d7d0079acf98a225c9a78e82f6505eaf0f91d4ccfc5522386ffba0c
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4RjNBOjE4NkIxRjo4ODY2MUU6QjY1Mzc4OjZBNUI2N0FGIiwidmlzaXRvcl9pZCI6IjY1OTAxOTg3MjI3MDk5MDczNzUiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac7b6b860de82a2da71aa6f198992e37a80e6bbd35b24ded4c59aede820c782105
hovercard-subject-tagrepository:1190200304
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/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md
twitter:imagehttps://opengraph.githubassets.com/a056d46d87c84fb0433a9591b16dd939d74118f39c86447b999e3014954d2a00/SuiJavaStudy/JavaGuide
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/a056d46d87c84fb0433a9591b16dd939d74118f39c86447b999e3014954d2a00/SuiJavaStudy/JavaGuide
og:image:altJava 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发与系统设计。准备后端技术面试，首选 JavaGuide！ - SuiJavaStudy/JavaGuide
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
None5290d7e14309ad1e76106a9c4237bd1041517e83ea182c8ab756752cb0c6940b
turbo-cache-controlno-cache
go-importgithub.com/SuiJavaStudy/JavaGuide git https://github.com/SuiJavaStudy/JavaGuide.git
octolytics-dimension-user_id270532064
octolytics-dimension-user_loginSuiJavaStudy
octolytics-dimension-repository_id1190200304
octolytics-dimension-repository_nwoSuiJavaStudy/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
release9c975978430e9ad293956f2bbdaf153b1bd84a99
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FSuiJavaStudy%2FJavaGuide%2Fblob%2Frefs%2Fheads%2Fmain%2Fdocs%2Fjava%2Fnew-features%2Fjava12-13.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
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%2FSuiJavaStudy%2FJavaGuide%2Fblob%2Frefs%2Fheads%2Fmain%2Fdocs%2Fjava%2Fnew-features%2Fjava12-13.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=SuiJavaStudy%2FJavaGuide
Reloadhttps://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md
Reloadhttps://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md
Reloadhttps://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md
Please reload this pagehttps://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md
SuiJavaStudy https://github.com/SuiJavaStudy
JavaGuidehttps://github.com/SuiJavaStudy/JavaGuide
Snailclimb/JavaGuidehttps://github.com/Snailclimb/JavaGuide
Notifications https://github.com/login?return_to=%2FSuiJavaStudy%2FJavaGuide
Fork 0 https://github.com/login?return_to=%2FSuiJavaStudy%2FJavaGuide
Star 0 https://github.com/login?return_to=%2FSuiJavaStudy%2FJavaGuide
Code https://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main
Pull requests 0 https://github.com/SuiJavaStudy/JavaGuide/pulls
Actions https://github.com/SuiJavaStudy/JavaGuide/actions
Projects https://github.com/SuiJavaStudy/JavaGuide/projects
Security and quality 0 https://github.com/SuiJavaStudy/JavaGuide/security
Insights https://github.com/SuiJavaStudy/JavaGuide/pulse
Code https://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main
Pull requests https://github.com/SuiJavaStudy/JavaGuide/pulls
Actions https://github.com/SuiJavaStudy/JavaGuide/actions
Projects https://github.com/SuiJavaStudy/JavaGuide/projects
Security and quality https://github.com/SuiJavaStudy/JavaGuide/security
Insights https://github.com/SuiJavaStudy/JavaGuide/pulse
https://github.com/SuiJavaStudy/JavaGuide
JavaGuidehttps://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main
docshttps://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main/docs
javahttps://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main/docs/java
new-featureshttps://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main/docs/java/new-features
Historyhttps://github.com/SuiJavaStudy/JavaGuide/commits/refs/heads/main/docs/java/new-features/java12-13.md
https://github.com/SuiJavaStudy/JavaGuide/commits/refs/heads/main/docs/java/new-features/java12-13.md
JavaGuidehttps://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main
docshttps://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main/docs
javahttps://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main/docs/java
new-featureshttps://github.com/SuiJavaStudy/JavaGuide/tree/refs/heads/main/docs/java/new-features
Rawhttps://github.com/SuiJavaStudy/JavaGuide/raw/refs/heads/main/docs/java/new-features/java12-13.md
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#java-12
JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)https://openjdk.org/jeps/189
JEP 325: Switch Expressions (Preview) (switch 表达式, 预览特性)https://openjdk.org/jeps/325
JEP 334: JVM Constants API (JVM 常量 API)https://openjdk.org/jeps/334
JEP 344: Abortable Mixed Collections for G1 (G1 可中止的混合收集集合)https://openjdk.org/jeps/344
JEP 346: Promptly Return Unused Committed Memory (G1 及时返回未使用的已分配内存)https://openjdk.org/jeps/346
https://camo.githubusercontent.com/00bd8076fbdb4547bc8746b9c1d892aeccb650423cef5be1566cf414ed4f12b0/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6e65772d66656174757265732f6a646b387e6a646b32342e706e67
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-189-shenandoah低延迟垃圾收集器实验性
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-344--jep-346-g1-收集器优化
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-334-jvm-constants-apijvm-常量-api
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-325-switch-expressionsswitch-表达式预览
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#java-13
JEP 350: Dynamic CDS Archives (动态 CDS 存档)https://openjdk.org/jeps/350
JEP 351: ZGC: Uncommit Unused Memory (ZGC 释放未使用内存)https://openjdk.org/jeps/351
JEP 355: Text Blocks (Preview) (文本块, 预览特性)https://openjdk.org/jeps/355
JEP 354: Switch Expressions (Second Preview) (switch 表达式, 第二次预览)https://openjdk.org/jeps/354
https://camo.githubusercontent.com/00bd8076fbdb4547bc8746b9c1d892aeccb650423cef5be1566cf414ed4f12b0/68747470733a2f2f6f73732e6a61766167756964652e636e2f6769746875622f6a61766167756964652f6a6176612f6e65772d66656174757265732f6a646b387e6a646b32342e706e67
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-351-zgc释放未使用内存
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-350-dynamic-cds-archives动态-cds-存档
AppCDShttps://openjdk.java.net/jeps/310
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-355-text-blocks文本块预览
API 增强 - String 增强（文本块相关方法）https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#string-%E5%A2%9E%E5%BC%BA%E6%96%87%E6%9C%AC%E5%9D%97%E7%9B%B8%E5%85%B3%E6%96%B9%E6%B3%95
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-354-switch-expressionsswitch-表达式第二次预览
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#api-增强
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#string-增强
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#indent---缩进方法
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#transform---转换方法
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#files-增强
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#numberformat-增强
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#socket-api-增强
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#filesystems-增强
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#string-增强文本块相关方法
JEP 355: Text Blocks (Preview)https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jep-355-text-blocks-preview
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#补充
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#关于预览特性
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#jvm-虚拟机优化
https://github.com/SuiJavaStudy/JavaGuide/blob/refs/heads/main/docs/java/new-features/java12-13.md#参考
https://openjdk.java.net/projects/jdk/https://openjdk.java.net/projects/jdk/
https://www.oracle.com/java/technologies/javase/12all-relnotes.htmhttps://www.oracle.com/java/technologies/javase/12all-relnotes.htm
https://mkyong.com/java/what-is-new-in-java-12/https://mkyong.com/java/what-is-new-in-java-12/
https://www.oracle.com/technetwork/java/javase/13all-relnotes-5461743.html#NewFeaturehttps://www.oracle.com/technetwork/java/javase/13all-relnotes-5461743.html#NewFeature
https://www.baeldung.com/java-13-new-featureshttps://www.baeldung.com/java-13-new-features
https://www.ibm.com/developerworks/cn/java/the-new-features-of-Java-13/index.htmlhttps://www.ibm.com/developerworks/cn/java/the-new-features-of-Java-13/index.html
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.