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Title: GitHub - lt-cug/java-notes-1: 自己的学习笔记。包含：21届秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新)

Open Graph Title: GitHub - lt-cug/java-notes-1: 自己的学习笔记。包含：21届秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新)

X Title: GitHub - lt-cug/java-notes-1: 自己的学习笔记。包含：21届秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新)

Description: 自己的学习笔记。包含：21届秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新) - lt-cug/java-notes-1

Open Graph Description: 自己的学习笔记。包含：21届秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新) - lt-cug/java-notes-1

X Description: 自己的学习笔记。包含：21届秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新) - lt-cug/java-notes-1

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推荐：CS-Noteshttp://www.cyc2018.xyz/
推荐：一写算法套路模版https://github.com/labuladong/fucking-algorithm
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面试官：谈谈JVM垃圾回收的三色标记，避坑建议看这篇就够了https://www.toutiao.com/a6940243711880364577/?timestamp=1616741169&app=news_article_social&use_new_style=1&req_id=20210326144609010212061195590D105F&share_token=7F2390B3-5F20-477A-9AB7-53FC0724A210&group_id=6940243711880364577
JVM如何判断哪些对象可以回收？https://mp.weixin.qq.com/s/4D49dPEfGlTV04vso3VT5Q
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再谈synchronized锁升级https://mp.weixin.qq.com/s/G4z08HfiqJ4qm3th0KtovA
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