René's URL Explorer Experiment

Title: JavaInterview/多线程.md at main · Growing111/JavaInterview · GitHub

Open Graph Title: JavaInterview/多线程.md at main · Growing111/JavaInterview

X Title: JavaInterview/多线程.md at main · Growing111/JavaInterview

Description: 全网最齐全的Java面试题库-附答案-持续更新. Contribute to Growing111/JavaInterview development by creating an account on GitHub.

Open Graph Description: 全网最齐全的Java面试题库-附答案-持续更新. Contribute to Growing111/JavaInterview development by creating an account on GitHub.

X Description: 全网最齐全的Java面试题库-附答案-持续更新. Contribute to Growing111/JavaInterview development by creating an account on GitHub.

Opengraph URL: https://github.com/Growing111/JavaInterview/blob/main/多线程.md

X: @github

direct link

Domain: github.com

route-pattern	/:user_id/:repository/blob/name(/path)
route-controller	blob
route-action	show
fetch-nonce	v2:7fb62b44-d738-7d49-4d08-777a469f7f0c
current-catalog-service-hash	f3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id	C7DA:30DA77:296FC94:3749C35:6A655E0D
html-safe-nonce	6ad432c254f144306b7e5415485236513ec9e8280b6c2dbc2795aba8cfd74fab
visitor-payload	eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDN0RBOjMwREE3NzoyOTZGQzk0OjM3NDlDMzU6NkE2NTVFMEQiLCJ2aXNpdG9yX2lkIjoiNzQ2MzgwMjA2NzIxODY4NTQ1MyIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac	4380831577a574c7ee7940245384deb0164e519afda4723a695b1d8125d0ef92
hovercard-subject-tag	repository:351407093
github-keyboard-shortcuts	repository,source-code,file-tree,copilot
google-site-verification	Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-url	https://collector.github.com/github/collect
analytics-location	///blob/show
fb:app_id	1401488693436528
apple-itunes-app	app-id=1477376905, app-argument=https://github.com/Growing111/JavaInterview/blob/main/多线程.md
twitter:image	https://opengraph.githubassets.com/e43d3810090fcc7fc9f1878f2666a9d1c679956077003e51e511fc183e409ad4/Growing111/JavaInterview
twitter:card	summary_large_image
og:image	https://opengraph.githubassets.com/e43d3810090fcc7fc9f1878f2666a9d1c679956077003e51e511fc183e409ad4/Growing111/JavaInterview
og:image:alt	全网最齐全的Java面试题库-附答案-持续更新. Contribute to Growing111/JavaInterview development by creating an account on GitHub.
og:image:width	1200
og:image:height	600
og:site_name	GitHub
og:type	object
hostname	github.com
expected-hostname	github.com
None	52c76df668885aaff23b50bdca1fa1ea44ac9c1553e888ebc70ff1e4daa4625b
turbo-cache-control	no-cache
go-import	github.com/Growing111/JavaInterview git https://github.com/Growing111/JavaInterview.git
octolytics-dimension-user_id	23252580
octolytics-dimension-user_login	Growing111
octolytics-dimension-repository_id	351407093
octolytics-dimension-repository_nwo	Growing111/JavaInterview
octolytics-dimension-repository_public	true
octolytics-dimension-repository_is_fork	true
octolytics-dimension-repository_parent_id	336993047
octolytics-dimension-repository_parent_nwo	WebInterviewHub/JavaInterview
octolytics-dimension-repository_network_root_id	336993047
octolytics-dimension-repository_network_root_nwo	WebInterviewHub/JavaInterview
turbo-body-classes	logged-out env-production page-responsive
disable-turbo	false
browser-stats-url	https://api.github.com/_private/browser/stats
browser-errors-url	https://api.github.com/_private/browser/errors
release	309153364422b3c499922d1a2a6404910a58ed8e
ui-target	full
theme-color	#1e2327
color-scheme	light dark

Links:

Skip to content	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#start-of-content
	https://github.com/
Sign in	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FGrowing111%2FJavaInterview%2Fblob%2Fmain%2F%25E5%25A4%259A%25E7%25BA%25BF%25E7%25A8%258B.md
GitHub CopilotWrite better code with AI	https://github.com/features/copilot
GitHub Copilot appDirect agents from issue to merge	https://github.com/features/ai/github-app
MCP RegistryNewIntegrate external tools	https://github.com/mcp
ActionsAutomate any workflow	https://github.com/features/actions
CodespacesInstant dev environments	https://github.com/features/codespaces
IssuesPlan and track work	https://github.com/features/issues
Code ReviewManage code changes	https://github.com/features/code-review
Code QualityEnforce quality at merge	https://github.com/features/code-quality
GitHub Advanced SecurityFind and fix vulnerabilities	https://github.com/security/advanced-security
Code securitySecure your code as you build	https://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they start	https://github.com/security/advanced-security/secret-protection
Why GitHub	https://github.com/why-github
Documentation	https://docs.github.com
Blog	https://github.blog
Changelog	https://github.blog/changelog
Marketplace	https://github.com/marketplace
View all features	https://github.com/features
Enterprises	https://github.com/enterprise
Small and medium teams	https://github.com/team
Startups	https://github.com/enterprise/startups
Nonprofits	https://github.com/solutions/industry/nonprofits
App Modernization	https://github.com/solutions/use-case/app-modernization
DevSecOps	https://github.com/solutions/use-case/devsecops
DevOps	https://github.com/solutions/use-case/devops
CI/CD	https://github.com/solutions/use-case/ci-cd
View all use cases	https://github.com/solutions/use-case
Healthcare	https://github.com/solutions/industry/healthcare
Financial services	https://github.com/solutions/industry/financial-services
Manufacturing	https://github.com/solutions/industry/manufacturing
Government	https://github.com/solutions/industry/government
View all industries	https://github.com/solutions/industry
View all solutions	https://github.com/solutions
AI	https://github.com/resources/articles?topic=ai
Software Development	https://github.com/resources/articles?topic=software-development
DevOps	https://github.com/resources/articles?topic=devops
Security	https://github.com/resources/articles?topic=security
View all topics	https://github.com/resources/articles
Customer stories	https://github.com/customer-stories
Events & webinars	https://github.com/resources/events
Ebooks & reports	https://github.com/resources/whitepapers
Business insights	https://github.com/solutions/executive-insights
GitHub Skills	https://skills.github.com
Documentation	https://docs.github.com
Customer support	https://support.github.com
Community forum	https://github.com/orgs/community/discussions
Trust center	https://github.com/trust-center
Partners	https://github.com/partners
View all resources	https://github.com/resources
GitHub SponsorsFund open source developers	https://github.com/open-source/sponsors
Security Lab	https://securitylab.github.com
Maintainer Community	https://maintainers.github.com
Accelerator	https://github.com/open-source/accelerator
GitHub Stars	https://stars.github.com
Archive Program	https://archiveprogram.github.com
Topics	https://github.com/topics
Trending	https://github.com/trending
Collections	https://github.com/collections
Enterprise platformAI-powered developer platform	https://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security features	https://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI features	https://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 support	https://github.com/enterprise/premium-support
Pricing	https://github.com/pricing
Search syntax tips	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentation	https://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%2FGrowing111%2FJavaInterview%2Fblob%2Fmain%2F%25E5%25A4%259A%25E7%25BA%25BF%25E7%25A8%258B.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=Growing111%2FJavaInterview
Reload	https://github.com/Growing111/JavaInterview/blob/main/多线程.md
Reload	https://github.com/Growing111/JavaInterview/blob/main/多线程.md
Reload	https://github.com/Growing111/JavaInterview/blob/main/多线程.md
Growing111	https://github.com/Growing111
JavaInterview	https://github.com/Growing111/JavaInterview
WebInterviewHub/JavaInterview	https://github.com/WebInterviewHub/JavaInterview
Notifications	https://github.com/login?return_to=%2FGrowing111%2FJavaInterview
Fork 0	https://github.com/login?return_to=%2FGrowing111%2FJavaInterview
Star 0	https://github.com/login?return_to=%2FGrowing111%2FJavaInterview
Code	https://github.com/Growing111/JavaInterview
Pull requests 0	https://github.com/Growing111/JavaInterview/pulls
Actions	https://github.com/Growing111/JavaInterview/actions
Projects	https://github.com/Growing111/JavaInterview/projects
Security and quality 0	https://github.com/Growing111/JavaInterview/security
Insights	https://github.com/Growing111/JavaInterview/pulse
Code	https://github.com/Growing111/JavaInterview
Pull requests	https://github.com/Growing111/JavaInterview/pulls
Actions	https://github.com/Growing111/JavaInterview/actions
Projects	https://github.com/Growing111/JavaInterview/projects
Security and quality	https://github.com/Growing111/JavaInterview/security
Insights	https://github.com/Growing111/JavaInterview/pulse
	https://github.com/Growing111/JavaInterview
JavaInterview	https://github.com/Growing111/JavaInterview/tree/main
History	https://github.com/Growing111/JavaInterview/commits/main/%E5%A4%9A%E7%BA%BF%E7%A8%8B.md
	https://github.com/Growing111/JavaInterview/commits/main/%E5%A4%9A%E7%BA%BF%E7%A8%8B.md
JavaInterview	https://github.com/Growing111/JavaInterview/tree/main
Raw	https://github.com/Growing111/JavaInterview/raw/refs/heads/main/%E5%A4%9A%E7%BA%BF%E7%A8%8B.md
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#多线程
1.说说synchronized的实现原理	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#1%E8%AF%B4%E8%AF%B4synchronized%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86
2.ReentrantLock与synchronized的区别	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#2reentrantlock%E4%B8%8Esynchronized%E7%9A%84%E5%8C%BA%E5%88%AB
3.ReentrantLock实现原理	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#3reentrantlock%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86
4.Java原子类AtomicInteger实现原理	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#4java%E5%8E%9F%E5%AD%90%E7%B1%BBatomicinteger%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86
5.Java线程池实现原理	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#5java%E7%BA%BF%E7%A8%8B%E6%B1%A0%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86
6.ThreadLocal实现原理	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#6threadlocal%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86
7.InheritableThreadLocal原理知道吗？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#7inheritablethreadlocal%E5%8E%9F%E7%90%86%E7%9F%A5%E9%81%93%E5%90%97
8.说一下synchronized锁升级过程	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#8%E8%AF%B4%E4%B8%80%E4%B8%8Bsynchronized%E9%94%81%E5%8D%87%E7%BA%A7%E8%BF%87%E7%A8%8B
9.了解过什么是“伪共享”吗？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#9%E4%BA%86%E8%A7%A3%E8%BF%87%E4%BB%80%E4%B9%88%E6%98%AF%E4%BC%AA%E5%85%B1%E4%BA%AB%E5%90%97
10.“伪共享”出现的原因是什么？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#10%E4%BC%AA%E5%85%B1%E4%BA%AB%E5%87%BA%E7%8E%B0%E7%9A%84%E5%8E%9F%E5%9B%A0%E6%98%AF%E4%BB%80%E4%B9%88
11.如何避免“伪共享”？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#11%E5%A6%82%E4%BD%95%E9%81%BF%E5%85%8D%E4%BC%AA%E5%85%B1%E4%BA%AB
12.Java里的线程有哪些状态？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#12java%E9%87%8C%E7%9A%84%E7%BA%BF%E7%A8%8B%E6%9C%89%E5%93%AA%E4%BA%9B%E7%8A%B6%E6%80%81
13.什么是悲观锁？什么是乐观锁？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#13%E4%BB%80%E4%B9%88%E6%98%AF%E6%82%B2%E8%A7%82%E9%94%81%E4%BB%80%E4%B9%88%E6%98%AF%E4%B9%90%E8%A7%82%E9%94%81
14.怎么停止一个运行中的线程？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#14%E6%80%8E%E4%B9%88%E5%81%9C%E6%AD%A2%E4%B8%80%E4%B8%AA%E8%BF%90%E8%A1%8C%E4%B8%AD%E7%9A%84%E7%BA%BF%E7%A8%8B
15.说一下你对volatile的理解？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#15%E8%AF%B4%E4%B8%80%E4%B8%8B%E4%BD%A0%E5%AF%B9volatile%E7%9A%84%E7%90%86%E8%A7%A3
16.并发编程三要素？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#16%E5%B9%B6%E5%8F%91%E7%BC%96%E7%A8%8B%E4%B8%89%E8%A6%81%E7%B4%A0
17.创建线程有哪些方式？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#17%E5%88%9B%E5%BB%BA%E7%BA%BF%E7%A8%8B%E6%9C%89%E5%93%AA%E4%BA%9B%E6%96%B9%E5%BC%8F
18.线程池的优点？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#18%E7%BA%BF%E7%A8%8B%E6%B1%A0%E7%9A%84%E4%BC%98%E7%82%B9
19.CyclicBarrier和CountDownLatch的区别	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#19cyclicbarrier%E5%92%8Ccountdownlatch%E7%9A%84%E5%8C%BA%E5%88%AB
20.什么是CAS？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#20%E4%BB%80%E4%B9%88%E6%98%AFcas
21.CAS的问题	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#21cas%E7%9A%84%E9%97%AE%E9%A2%98
22.什么是AQS？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#22%E4%BB%80%E4%B9%88%E6%98%AFaqs
23.AQS支持几种同步方式？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#23aqs%E6%94%AF%E6%8C%81%E5%87%A0%E7%A7%8D%E5%90%8C%E6%AD%A5%E6%96%B9%E5%BC%8F
24.什么是自旋锁？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#24%E4%BB%80%E4%B9%88%E6%98%AF%E8%87%AA%E6%97%8B%E9%94%81
25.什么是多线程的上下文切换？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#25%E4%BB%80%E4%B9%88%E6%98%AF%E5%A4%9A%E7%BA%BF%E7%A8%8B%E7%9A%84%E4%B8%8A%E4%B8%8B%E6%96%87%E5%88%87%E6%8D%A2
26.什么是线程和进程?	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#26%E4%BB%80%E4%B9%88%E6%98%AF%E7%BA%BF%E7%A8%8B%E5%92%8C%E8%BF%9B%E7%A8%8B
27.程序计数器为什么是私有的?	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#27%E7%A8%8B%E5%BA%8F%E8%AE%A1%E6%95%B0%E5%99%A8%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF%E7%A7%81%E6%9C%89%E7%9A%84
28.虚拟机栈和本地方法栈为什么是私有的?	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#28%E8%99%9A%E6%8B%9F%E6%9C%BA%E6%A0%88%E5%92%8C%E6%9C%AC%E5%9C%B0%E6%96%B9%E6%B3%95%E6%A0%88%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF%E7%A7%81%E6%9C%89%E7%9A%84
29.并发与并行的区别？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#29%E5%B9%B6%E5%8F%91%E4%B8%8E%E5%B9%B6%E8%A1%8C%E7%9A%84%E5%8C%BA%E5%88%AB
30.什么是线程死锁?如何避免死锁?	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#30%E4%BB%80%E4%B9%88%E6%98%AF%E7%BA%BF%E7%A8%8B%E6%AD%BB%E9%94%81%E5%A6%82%E4%BD%95%E9%81%BF%E5%85%8D%E6%AD%BB%E9%94%81
31.sleep() 方法和 wait() 方法的区别和共同点?	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#31sleep-%E6%96%B9%E6%B3%95%E5%92%8C-wait-%E6%96%B9%E6%B3%95%E7%9A%84%E5%8C%BA%E5%88%AB%E5%92%8C%E5%85%B1%E5%90%8C%E7%82%B9
32.为什么我们调用 start() 方法时会执行 run() 方法，为什么我们不能直接调用 run() 方法？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#32%E4%B8%BA%E4%BB%80%E4%B9%88%E6%88%91%E4%BB%AC%E8%B0%83%E7%94%A8-start-%E6%96%B9%E6%B3%95%E6%97%B6%E4%BC%9A%E6%89%A7%E8%A1%8C-run-%E6%96%B9%E6%B3%95%E4%B8%BA%E4%BB%80%E4%B9%88%E6%88%91%E4%BB%AC%E4%B8%8D%E8%83%BD%E7%9B%B4%E6%8E%A5%E8%B0%83%E7%94%A8-run-%E6%96%B9%E6%B3%95
33.什么是线程安全问题？如何解决？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#33%E4%BB%80%E4%B9%88%E6%98%AF%E7%BA%BF%E7%A8%8B%E5%AE%89%E5%85%A8%E9%97%AE%E9%A2%98%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3
34.什么是活锁？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#34%E4%BB%80%E4%B9%88%E6%98%AF%E6%B4%BB%E9%94%81
35.什么是线程的饥饿问题？如何解决？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#35%E4%BB%80%E4%B9%88%E6%98%AF%E7%BA%BF%E7%A8%8B%E7%9A%84%E9%A5%A5%E9%A5%BF%E9%97%AE%E9%A2%98%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3
36.什么是线程的阻塞问题？如何解决？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#36%E4%BB%80%E4%B9%88%E6%98%AF%E7%BA%BF%E7%A8%8B%E7%9A%84%E9%98%BB%E5%A1%9E%E9%97%AE%E9%A2%98%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3
37.synchronized 关键字和 volatile 关键字的区别	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#37synchronized-%E5%85%B3%E9%94%AE%E5%AD%97%E5%92%8C-volatile-%E5%85%B3%E9%94%AE%E5%AD%97%E7%9A%84%E5%8C%BA%E5%88%AB
38.说一说几种常见的线程池及适用场景？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#38%E8%AF%B4%E4%B8%80%E8%AF%B4%E5%87%A0%E7%A7%8D%E5%B8%B8%E8%A7%81%E7%9A%84%E7%BA%BF%E7%A8%8B%E6%B1%A0%E5%8F%8A%E9%80%82%E7%94%A8%E5%9C%BA%E6%99%AF
39.线程池都有哪几种工作队列？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#39%E7%BA%BF%E7%A8%8B%E6%B1%A0%E9%83%BD%E6%9C%89%E5%93%AA%E5%87%A0%E7%A7%8D%E5%B7%A5%E4%BD%9C%E9%98%9F%E5%88%97
40.什么是线程安全？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#40%E4%BB%80%E4%B9%88%E6%98%AF%E7%BA%BF%E7%A8%8B%E5%AE%89%E5%85%A8
41.Java中如何获取到线程dump文件	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#41java%E4%B8%AD%E5%A6%82%E4%BD%95%E8%8E%B7%E5%8F%96%E5%88%B0%E7%BA%BF%E7%A8%8Bdump%E6%96%87%E4%BB%B6
42.Java中用到的线程调度算法是什么？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#42java%E4%B8%AD%E7%94%A8%E5%88%B0%E7%9A%84%E7%BA%BF%E7%A8%8B%E8%B0%83%E5%BA%A6%E7%AE%97%E6%B3%95%E6%98%AF%E4%BB%80%E4%B9%88
43.Thread.sleep(0)的作用是什么？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#43threadsleep0%E7%9A%84%E4%BD%9C%E7%94%A8%E6%98%AF%E4%BB%80%E4%B9%88
44.单例模式的线程安全性	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#44%E5%8D%95%E4%BE%8B%E6%A8%A1%E5%BC%8F%E7%9A%84%E7%BA%BF%E7%A8%8B%E5%AE%89%E5%85%A8%E6%80%A7
45.Semaphore有什么作用？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#45semaphore%E6%9C%89%E4%BB%80%E4%B9%88%E4%BD%9C%E7%94%A8
46.Hashtable的size()方法中明明只有一条语句"return count"，为什么还要做同步？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#46hashtable%E7%9A%84size%E6%96%B9%E6%B3%95%E4%B8%AD%E6%98%8E%E6%98%8E%E5%8F%AA%E6%9C%89%E4%B8%80%E6%9D%A1%E8%AF%AD%E5%8F%A5return-count%E4%B8%BA%E4%BB%80%E4%B9%88%E8%BF%98%E8%A6%81%E5%81%9A%E5%90%8C%E6%AD%A5
47.同步方法和同步块，哪个是更好的选择？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#47%E5%90%8C%E6%AD%A5%E6%96%B9%E6%B3%95%E5%92%8C%E5%90%8C%E6%AD%A5%E5%9D%97%E5%93%AA%E4%B8%AA%E6%98%AF%E6%9B%B4%E5%A5%BD%E7%9A%84%E9%80%89%E6%8B%A9
48.高并发、任务执行时间短的业务怎样使用线程池？并发不高、任务执行时间长的业务怎样使用线程池？并发高、业务执行时间长的业务怎样使用线程池？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#48%E9%AB%98%E5%B9%B6%E5%8F%91%E4%BB%BB%E5%8A%A1%E6%89%A7%E8%A1%8C%E6%97%B6%E9%97%B4%E7%9F%AD%E7%9A%84%E4%B8%9A%E5%8A%A1%E6%80%8E%E6%A0%B7%E4%BD%BF%E7%94%A8%E7%BA%BF%E7%A8%8B%E6%B1%A0%E5%B9%B6%E5%8F%91%E4%B8%8D%E9%AB%98%E4%BB%BB%E5%8A%A1%E6%89%A7%E8%A1%8C%E6%97%B6%E9%97%B4%E9%95%BF%E7%9A%84%E4%B8%9A%E5%8A%A1%E6%80%8E%E6%A0%B7%E4%BD%BF%E7%94%A8%E7%BA%BF%E7%A8%8B%E6%B1%A0%E5%B9%B6%E5%8F%91%E9%AB%98%E4%B8%9A%E5%8A%A1%E6%89%A7%E8%A1%8C%E6%97%B6%E9%97%B4%E9%95%BF%E7%9A%84%E4%B8%9A%E5%8A%A1%E6%80%8E%E6%A0%B7%E4%BD%BF%E7%94%A8%E7%BA%BF%E7%A8%8B%E6%B1%A0
49.在Java中Lock接口比synchronized块的优势是什么？你需要实现一个高效的缓存，它允许多个用户读，但只允许一个用户写，以此来保持它的完整性，你会怎样去实现它？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#49%E5%9C%A8java%E4%B8%ADlock%E6%8E%A5%E5%8F%A3%E6%AF%94synchronized%E5%9D%97%E7%9A%84%E4%BC%98%E5%8A%BF%E6%98%AF%E4%BB%80%E4%B9%88%E4%BD%A0%E9%9C%80%E8%A6%81%E5%AE%9E%E7%8E%B0%E4%B8%80%E4%B8%AA%E9%AB%98%E6%95%88%E7%9A%84%E7%BC%93%E5%AD%98%E5%AE%83%E5%85%81%E8%AE%B8%E5%A4%9A%E4%B8%AA%E7%94%A8%E6%88%B7%E8%AF%BB%E4%BD%86%E5%8F%AA%E5%85%81%E8%AE%B8%E4%B8%80%E4%B8%AA%E7%94%A8%E6%88%B7%E5%86%99%E4%BB%A5%E6%AD%A4%E6%9D%A5%E4%BF%9D%E6%8C%81%E5%AE%83%E7%9A%84%E5%AE%8C%E6%95%B4%E6%80%A7%E4%BD%A0%E4%BC%9A%E6%80%8E%E6%A0%B7%E5%8E%BB%E5%AE%9E%E7%8E%B0%E5%AE%83
50.你将如何使用thread dump？你将如何分析Thread dump？	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#50%E4%BD%A0%E5%B0%86%E5%A6%82%E4%BD%95%E4%BD%BF%E7%94%A8thread-dump%E4%BD%A0%E5%B0%86%E5%A6%82%E4%BD%95%E5%88%86%E6%9E%90thread-dump
参考资料	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#1说说synchronized的实现原理
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#2reentrantlock与synchronized的区别
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#3reentrantlock实现原理
https://blog.csdn.net/yanbin0830/article/details/107542529	https://blog.csdn.net/yanbin0830/article/details/107542529
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#4java原子类atomicinteger实现原理
https://www.cnblogs.com/scuwangjun/p/9098057.html	https://www.cnblogs.com/scuwangjun/p/9098057.html
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#5java线程池实现原理
https://www.cnblogs.com/dolphin0520/p/3932921.html	https://www.cnblogs.com/dolphin0520/p/3932921.html
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#6threadlocal实现原理
https://www.cnblogs.com/fsmly/p/11020641.html	https://www.cnblogs.com/fsmly/p/11020641.html
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#7inheritablethreadlocal原理知道吗
https://www.jianshu.com/p/94ba4a918ff5	https://www.jianshu.com/p/94ba4a918ff5
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#8说一下synchronized锁升级过程
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#9了解过什么是伪共享吗
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#10伪共享出现的原因是什么
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#11如何避免伪共享
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#12java里的线程有哪些状态
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#13什么是悲观锁什么是乐观锁
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#14怎么停止一个运行中的线程
https://www.cnblogs.com/liyutian/p/10196044.html	https://www.cnblogs.com/liyutian/p/10196044.html
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#15说一下你对volatile的理解
https://blog.csdn.net/yinbucheng/article/details/71305951/	https://blog.csdn.net/yinbucheng/article/details/71305951/
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#16并发编程三要素
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#17创建线程有哪些方式
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#18线程池的优点
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#19cyclicbarrier和countdownlatch的区别
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#20什么是cas
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#21cas的问题
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#22什么是aqs
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#23aqs支持几种同步方式
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#24什么是自旋锁
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#25什么是多线程的上下文切换
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#26什么是线程和进程
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#27程序计数器为什么是私有的
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#28虚拟机栈和本地方法栈为什么是私有的
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#29并发与并行的区别
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#30什么是线程死锁如何避免死锁
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#31sleep-方法和-wait-方法的区别和共同点
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#32为什么我们调用-start-方法时会执行-run-方法为什么我们不能直接调用-run-方法
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#33什么是线程安全问题如何解决
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#34什么是活锁
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#35什么是线程的饥饿问题如何解决
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#36什么是线程的阻塞问题如何解决
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#37synchronized-关键字和-volatile-关键字的区别
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#38说一说几种常见的线程池及适用场景
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#39线程池都有哪几种工作队列
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#40什么是线程安全
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#41java中如何获取到线程dump文件
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#42java中用到的线程调度算法是什么
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#43threadsleep0的作用是什么
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#44单例模式的线程安全性
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#45semaphore有什么作用
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#46hashtable的size方法中明明只有一条语句return-count为什么还要做同步
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#47同步方法和同步块哪个是更好的选择
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#48高并发任务执行时间短的业务怎样使用线程池并发不高任务执行时间长的业务怎样使用线程池并发高业务执行时间长的业务怎样使用线程池
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#49在java中lock接口比synchronized块的优势是什么你需要实现一个高效的缓存它允许多个用户读但只允许一个用户写以此来保持它的完整性你会怎样去实现它
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#50你将如何使用thread-dump你将如何分析thread-dump
	https://github.com/Growing111/JavaInterview/blob/main/多线程.md#参考资料
https://blog.csdn.net/tanmomo/article/details/99671622	https://blog.csdn.net/tanmomo/article/details/99671622
https://blog.csdn.net/cmyperson/article/details/79610870	https://blog.csdn.net/cmyperson/article/details/79610870
https://www.cnblogs.com/toria/p/11234323.html	https://www.cnblogs.com/toria/p/11234323.html
https://www.cnblogs.com/bors/p/dxc.html	https://www.cnblogs.com/bors/p/dxc.html
http://ifeve.com/15-java-faq/	http://ifeve.com/15-java-faq/
	https://github.com
Terms	https://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Security	https://github.com/security
Status	https://www.githubstatus.com/
Community	https://github.community/
Docs	https://docs.github.com/
Contact	https://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.