https://www.jianshu.com/p/4e4fd0dd5d25#_cnbk_

https://wiki.openjdk.java.net/display/zgc/Main

http://cr.openjdk.java.net/~pliden/slides/
code
http://cr.openjdk.java.net/~pliden/zgc/

https://www.opsian.com/blog/javas-new-zgc-is-very-exciting/

https://www.oracle.com/technetwork/java/gc-tuning-5-138395.html

The Parallel Collector
https://docs.oracle.com/javase/8/docs/technotes/guides/vm/gctuning/parallel.html

Java 7 - Parallel GC
Java 8 - Parallel GC
Java 9 - G1 GC
Java 10 - G1 GC

Java有四种类型的垃圾收集器（最高版本10），但是在稳定发行Java 11之后，它将是5种类型。
这些是：-

Serial Garbage Collector- S GC
Parallel Garbage Collector- P GC
CMS Garbage Collector- CMS GC
G1 Garbage Collector- G1 GC
The Z Garbage Collector- ZGC