Java GC绝对干货：
https://yq.aliyun.com/articles/91017?utm_campaign=wenzhang&utm_medium=article&utm_source=QQ-qun&2017531&utm_content=m_22117
成为JavaGC专家：
https://www.cnblogs.com/wozixiaoyao/p/5658950.html
Java Garbage Collection：
https://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html
Java GC
原文：https://www.cnblogs.com/Jason2018/p/9827416.html
