链接

垃圾回收

https://www.cnblogs.com/zuoxiaolong/p/life51.html

https://blog.csdn.net/qq_34560242/article/details/81020452

面经

https://www.nowcoder.com/discuss/experience?tagId=639

如何晋级

https://www.zhihu.com/question/39430220/answer/147663051

什么时候会 GC

https://blog.csdn.net/cy609329119/article/details/51771953
https://blog.csdn.net/pdf0824/article/details/77018879