No chapters yet
Java
Typed, object-oriented, everywhere
Not written yet
Syntax, classes and interfaces, generics, collections and the streams API, then how the JVM runs your code. It will also cover concurrency and the memory model, which is where most Java interview questions end up.
Being planned
No chapters are written yet for Java, and its syllabus has not been set.
Meanwhile
Nothing here is written yet, but these are.