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Description: Java相关知识总结，包括Java基础、MySQL、Springboot、mybatis、Redis、rabbitMQ等等，面试必备！ - Java-learning/Java/JVM.md at master · patrick-li-dev/Java-learning

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引用计数法https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E5%BC%95%E7%94%A8%E8%AE%A1%E6%95%B0%E6%B3%95
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可作为GC Roots的对象https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E5%8F%AF%E4%BD%9C%E4%B8%BAgc-roots%E7%9A%84%E5%AF%B9%E8%B1%A1
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类的卸载https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E7%B1%BB%E7%9A%84%E5%8D%B8%E8%BD%BD
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老年代空间不足https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E8%80%81%E5%B9%B4%E4%BB%A3%E7%A9%BA%E9%97%B4%E4%B8%8D%E8%B6%B3
空间分配担保失败https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E7%A9%BA%E9%97%B4%E5%88%86%E9%85%8D%E6%8B%85%E4%BF%9D%E5%A4%B1%E8%B4%A5
垃圾回收算法https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E5%9E%83%E5%9C%BE%E5%9B%9E%E6%94%B6%E7%AE%97%E6%B3%95
标记清除算法https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E6%A0%87%E8%AE%B0%E6%B8%85%E9%99%A4%E7%AE%97%E6%B3%95
复制清除算法https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E5%A4%8D%E5%88%B6%E6%B8%85%E9%99%A4%E7%AE%97%E6%B3%95
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分类收集算法https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E5%88%86%E7%B1%BB%E6%94%B6%E9%9B%86%E7%AE%97%E6%B3%95
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JVM调优工具https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jvm%E8%B0%83%E4%BC%98%E5%B7%A5%E5%85%B7
jpshttps://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jps
jstackhttps://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jstack
jstathttps://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jstat
jmaphttps://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jmap
补充https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E8%A1%A5%E5%85%85
对象头https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E5%AF%B9%E8%B1%A1%E5%A4%B4
main方法执行过程https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#main%E6%96%B9%E6%B3%95%E6%89%A7%E8%A1%8C%E8%BF%87%E7%A8%8B
对象创建过程https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E5%AF%B9%E8%B1%A1%E5%88%9B%E5%BB%BA%E8%BF%87%E7%A8%8B
参考资料https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#内存结构
https://camo.githubusercontent.com/c6c6baa9f9def4319a5abeaf06b5a3f9949f0f4cca850d3c30a0827a5bfbe846/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f696d6167652d32303231303930353135303633363130352e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#程序计数器
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#虚拟机栈
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#本地方法栈
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#堆
https://github.com/Tyson0314/java-bookshttps://github.com/Tyson0314/java-books
https://gitee.com/tysondai/java-bookshttps://gitee.com/tysondai/java-books
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#方法区
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#永久代
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#元空间
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#运行时常量池
https://camo.githubusercontent.com/ea4edc1ad2ff4340e16291ddeae01e799cb3a78bfd249202954bef7f7052b5ef/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f737472696e672d6e65772e706e67
https://camo.githubusercontent.com/74766ed79a9ba17d1b898c7cd01379118479aa9160afec94996ec048337abaaa/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f737472696e672d696e7465726e2e706e67
https://camo.githubusercontent.com/0abf1e8b0661855ff48fa073d013788638e1d17a54983fb12c2ce7fb2b21f5d7/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f737472696e672d657175616c2e706e67
https://blog.csdn.net/soonflyhttps://blog.csdn.net/soonfly
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#直接内存
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#对象的访问定位
https://camo.githubusercontent.com/1e0f4eb7a7f9aa8ee70108b4db857d8ef8bcba4439a94db6763a6d0652144aee/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f6f626a6563742d68616e646c652e706e67
https://camo.githubusercontent.com/825baabb1e588e2facc0524a5076008d0c00d1e7166321a317e2c4ee1d71a281/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f6469726563742d706f696e7465722e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#类文件结构
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#类的生命周期
https://camo.githubusercontent.com/71092af49cfb26cc71d335d1466dee38e9685aa6179b40b1c81203a5cbf67325/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f696d6167652d32303231303930353030323432333730332e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#类加载的过程
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#加载
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#验证
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#准备
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#解析
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#初始化
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#双亲委派模型
https://camo.githubusercontent.com/9d9524c2eb01289e5dec025c551c93ee22c9423f44a3761b2b76a2b75e24b6db/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f696d6167652d32303231303930353030323832373534362e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#实现
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#对象死亡
https://camo.githubusercontent.com/9dddef48721f0802ea125412c4b615b6db4e0beb4a8baeeb3e40e57de8335992/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f6f626a6563742d646561642e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#引用计数法
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#可达性分析
https://camo.githubusercontent.com/04e66e3e63697d250c05235a93e7749c0e971943ae33eac1584fe9342fa275bd/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f67632d726f6f742d72656665722e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#可作为gc-roots的对象
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#引用
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#强引用
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#软引用
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#弱引用
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#虚引用
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#常量回收
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#类的卸载
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#内存分配与回收策略
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#minor-gc-和-full-gc
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#内存分配策略
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#对象优先在-eden-分配
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#大对象直接进入老年代
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#长期存活的对象进入老年代
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#动态对象年龄判定
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#空间分配担保
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#full-gc-的触发条件
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#调用-systemgc
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#老年代空间不足
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#空间分配担保失败
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#垃圾回收算法
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#标记清除算法
https://camo.githubusercontent.com/23aa0ea0ce0e1a5946051ee9ec11544608c96b5406b35f02ea7e82ad38cc684f/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f696d6167652d32303231303930353030333435383133302e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#复制清除算法
https://camo.githubusercontent.com/9b7f75e87e5fe10ad3753f3181a9e470b94fec1da9ca928c7dd7e797766e0d23/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f696d6167652d32303231303930353030333731343535312e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#标记整理算法
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#分类收集算法
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#记忆集
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#垃圾收集器
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#serial-收集器
https://camo.githubusercontent.com/3f516f4abcfab48fd9096c870ec1b9102af28e10f525c06c64f7c15fec630ac4/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f73657269616c2d636f6c6c6563746f722e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#parnew-收集器
https://camo.githubusercontent.com/e4313cc9f56a8571a13e893646a90e2c9407eca9afc94872b631a9b9719617ab/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f7061726e65772d636f6c6c6563746f722e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#parallel-scavenge-收集器
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#serial-old-收集器
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#parallel-old-收集器
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#cms-收集器
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#回收过程
https://camo.githubusercontent.com/9477fd5a974a9e23df090e87f3c554a7706fc11b84e527adec5e6bf5966d7082/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f636d732d636f6c6c6563746f722e706e67
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#cms垃圾回收特点
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#g1收集器
https://camo.githubusercontent.com/53e729f8a699057eba4cda995d468eeb3b0209df1fa41cc268a4e54745012143/687474703a2f2f696d672e646162696e2d636f6465722e636e2f696d6167652f67312d726567696f6e2e6a7067
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#回收过程-1
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jvm调优工具
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jps
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jstack
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jstat
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#jmap
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#补充
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#对象头
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#main方法执行过程
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#对象创建过程
https://github.com/patrick-li-dev/Java-learning/blob/master/Java/JVM.md#参考资料
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