JVM garbage collection algorithm
Purpose
Learning records, follow-up interviews are convenient.
Learning Resources
A learning video about high-frequency interview questions at Station B
JVM recycling algorithm
mark clear
There is a problem of "memory fragmentation", and the new version of the JVM no longer uses this garbage collection algorithm.
markup
old age use
mark copy
Used by the young generation. Mainly, there are fewer objects in the young generation than in the old generation.
other
How to "mark" and how to "organize" actually depends on the source code of the JVM implementation.