The copy of The Garbage Collection Handbook at ~/Documents/Books_on_vm/ is the 2023 second edition, and it covers G1, ZGC, and Shenandoah by name with dedicated sections. What follows is read directly from that PDF (page numbers are the book’s own page numbers, printed in each page header — the PDF file’s own page index has a fixed +37 offset from these, front matter accounts for the difference).
Why should I keep reading an article if author the couldn't be bothered to read it themselves after copy-pasting it from a LLM?