I blogged about my experiences here:
https://www.selikoff.net/2024/07/13/passed-scotts-experience-taking-the-java-21-certification-exam-1z0-830/
The 1Z0-830 has to be one of the most challenging certifications exams I've taken. The length of the questions, number of options, and really long code within some options bordered on ridiculous at time. While they increased the time from 90 to 120 minutes for the exam, I'd say you are still likely to run out of time. Some questions are like bad eye exams, where you have to spot a
unique reason a particular ~25 line option does not compile.
Taking it remotely was all vastly different from previous exams. We'll be blogging about that soon, so stay tuned!
While I can't talk about specific questions/content on the exam, feel free to post any questions and I'll try to answer them.
Jeanne and I working to have our book out by the end of the year. And yes, it will cover all topics on the exam!