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可作为GC Roots的对象https://github.com/uooo/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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调用 System.gc()https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#%E8%B0%83%E7%94%A8-systemgc
老年代空间不足https://github.com/uooo/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/uooo/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/uooo/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/uooo/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/uooo/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
标记整理算法https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#%E6%A0%87%E8%AE%B0%E6%95%B4%E7%90%86%E7%AE%97%E6%B3%95
分类收集算法https://github.com/uooo/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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Serial 收集器https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#serial-%E6%94%B6%E9%9B%86%E5%99%A8
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对象头https://github.com/uooo/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/uooo/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/uooo/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/uooo/Java-learning/blob/master/Java/JVM.md#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#内存结构
https://camo.githubusercontent.com/433455fe50c146446bccbfed6b58b7399bdf153025fd613e15e9e494b1049253/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f696d6167652d32303231303930353135303633363130352e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#程序计数器
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#虚拟机栈
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#本地方法栈
https://github.com/uooo/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/uooo/Java-learning/blob/master/Java/JVM.md#方法区
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#永久代
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#元空间
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#运行时常量池
https://camo.githubusercontent.com/8f4b1937b6080465c7d598c9202c464d6504025d9a529e393ac05f475ac1447c/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f737472696e672d6e65772e706e67
https://camo.githubusercontent.com/71c2932c98eb989c8362cba3fe22c4c65dac002a68d5f25a248eefca8b85848b/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f737472696e672d696e7465726e2e706e67
https://camo.githubusercontent.com/8222621efc865acccd1f2687d97db8bed7393150ada5f417298389fa017a52e0/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f737472696e672d657175616c2e706e67
https://blog.csdn.net/soonflyhttps://blog.csdn.net/soonfly
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#直接内存
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#对象的访问定位
https://camo.githubusercontent.com/edf2e280bf28883dd2ace93166d8a0effdd7219a7587071f07d6f1e595d5d604/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f6f626a6563742d68616e646c652e706e67
https://camo.githubusercontent.com/c1605fdd56c004a2e359ff58e9f482fca2068486b055f237e45ed67bc13171be/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f6469726563742d706f696e7465722e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#类文件结构
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#类的生命周期
https://camo.githubusercontent.com/cb7ecf667887e1fb9ee3c03dd8195fac4b80d7cad4f16af6fe57dea9b874ab65/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f696d6167652d32303231303930353030323432333730332e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#类加载的过程
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#加载
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#验证
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#准备
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#解析
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#初始化
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#双亲委派模型
https://camo.githubusercontent.com/015263a9bdfdebe20976eeaf9a95446ef01eb912b833d34fc06dd089b4fd7232/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f696d6167652d32303231303930353030323832373534362e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#实现
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#对象死亡
https://camo.githubusercontent.com/369f664c6d5c773b56d4049403eb7d56561e759b88499b243858959b3ed91f21/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f6f626a6563742d646561642e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#引用计数法
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#可达性分析
https://camo.githubusercontent.com/7a4d45c12165234a9bc443148d7706e445a1bd4135b66f8481e1ebdba642fffe/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f67632d726f6f742d72656665722e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#可作为gc-roots的对象
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#引用
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#强引用
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#软引用
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#弱引用
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#虚引用
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#常量回收
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#类的卸载
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#内存分配与回收策略
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#minor-gc-和-full-gc
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#内存分配策略
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#对象优先在-eden-分配
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#大对象直接进入老年代
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#长期存活的对象进入老年代
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#动态对象年龄判定
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#空间分配担保
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#full-gc-的触发条件
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#调用-systemgc
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#老年代空间不足
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#空间分配担保失败
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#垃圾回收算法
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#标记清除算法
https://camo.githubusercontent.com/45eb4c94337af4fc0380c9b5ae886a61bd3d4afbfb780bd2e3efbfbdcdd3e5c5/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f696d6167652d32303231303930353030333435383133302e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#复制清除算法
https://camo.githubusercontent.com/5fdf2307a6a37ea9fe41fa1148c9782b252cf0963c22ab54e0fd3abc0cd2c950/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f696d6167652d32303231303930353030333731343535312e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#标记整理算法
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#分类收集算法
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#记忆集
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#垃圾收集器
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#serial-收集器
https://camo.githubusercontent.com/bc2ce98d043eb1e2586cc7b6c264f5eb06b2d5787d57c3d38e6d5ce5a6f2afaf/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f73657269616c2d636f6c6c6563746f722e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#parnew-收集器
https://camo.githubusercontent.com/6bc276c0af1cd9ba81fe1149ca0677f71582237c9d4c8de219b9c16805df3003/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f7061726e65772d636f6c6c6563746f722e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#parallel-scavenge-收集器
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#serial-old-收集器
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#parallel-old-收集器
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#cms-收集器
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#回收过程
https://camo.githubusercontent.com/92d9ad3ff1aae4d5c5de95321a0839391b9c14bf9abb4a885d2c5412b3db122b/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f636d732d636f6c6c6563746f722e706e67
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#cms垃圾回收特点
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#g1收集器
https://camo.githubusercontent.com/8b20facda093c846d63fcd036136932e12b3e003d5aba8b05ada4bb3bcb74413/68747470733a2f2f67697465652e636f6d2f7479736f6e6461692f696d672f7261772f6d61737465722f67312d726567696f6e2e6a7067
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#回收过程-1
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#jvm调优工具
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#jps
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#jstack
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#jstat
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#jmap
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#补充
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#对象头
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#main方法执行过程
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#对象创建过程
https://github.com/uooo/Java-learning/blob/master/Java/JVM.md#参考资料
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