The root directoy is on top of all other directories. Its name is /. We can find within this directory multiple subdirectories. One of them is home. The home directory includes subdirectories named after the user. The name of each one of them is the username of a specific user.

Stable Values in Java (JEP 502): Deferred Immutability with JVM Trust
Explore Stable Values – a new Java 25 upcoming feature (JEP 502) enabling lazy initialization with immutable performance and JVM-level optimizations.