Tag Archives: exam

Happy Book Birthday! New OCP 21 Book Now Shipping!

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It's a Book!

Jeanne and I are excited to announce our new Java OCP 21 Certified Professional Study Guide is now shipping! Released by Wiley Publishing, this book teaches you all the new (and old) features of Java 21, and helps prepare those planning to take the 1Z0-830 Java 21 Certification Exam.

Are you worried your Java skills are getting outdated? Are you writing code with the same toolset you’ve been using since Java 11, Java 8, or even Java 1.4? This book is definitely for you then! It starts with the basics, incorporating all of the new languages features like pattern matching, text blocks, var, and switch expressions. After that, we add records, sealed classes, virtual threads, sequenced collections, modules, and more. Finally, we cover lambdas and streams, helping you write shorter code and easier-or-read functional code without a lot of boilerplate syntax.

Whether your fresh out of school or have been programming Java professional for over a decade, our book helps you understand how to use all of the features of Java 21. We cover each topic in detail, from the basics to advanced usage, to help you write better Java code in your daily life.

For those looking to become Java 21 certified, look no further. Our book contains 14 chapters of everything you need to prepare for the exam, including exam tips, study suggestions, and hundreds of challenging practice questions. It also includes access to Sybex’s Online Test Bank, where we’ve written 3 simulated 1Z0-830 practice tests and over 500 flashcards!

Order now for the holidays, as Amazon already has our book backordered until the second week of December!

PASSED! Jeanne’s Experience Taking the Java 21 Certification Exam 1Z0-830

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Oracle Certified Professional Java SE 21 Developer

As we mentioned recently, Oracle announced their new Java 21 Certification Exam 1Z0-830 this week. Scott passed first and wrote about his experience. Now I join the first few Oracle Certified Professional Java SE 21 Developer’s in the world.

Unlike Scott, who passed on the first attempt, it took me two tries. See my blog post from last week for why. Anyway, this time I passed with a 74%. I still had time pressure with only 10 minutes to review answers. (To be fair, it’s 9 days later; not enough time for Oracle to do anything with our feedback about length)

As we mentioned earlier last week, Oracle announced their new Java 21 Certification Exam 1Z0-830 this week. Scott passed on Friday and wrote about his experience. Today was my turn.

Changing my exam date

You have to wait five days to retake an exam. That would have been Saturday. however the exam is not offered on the weekend. So I registered for Monday. I then learned I needed to go into the office on Monday so got to learn how to reschedule the exam. It was very easy.l The exam registration email from Oracle has a link to reschedule. After that the form looks the same as booking originally where you choose a day and then a time. The Tuesday 7am slot wasn’t available by the time I knew Monday was no good so I switched to Wednesday at 7am.

Checking in

The blog post from last week . The proctor did not want to see my paper was blank. (While you don’t see the proctor’s name, zoom said it was proctor 8. Which is the same number as last time. So it might have been the same person.

The exam

Like last time, I had some very long questions. While a lot had a good amount of code to read, there were five where I had to scroll a ton. Those questions take a lot of time. I used the same techniques as last time with two extras:

  • I used my cursor as a pointer as I was reading code. This got me to be more careful reading so I didn’t miss things.
  • Thought in my head as if I was explaining to someone why I was ruling out choices. Again to force myself to be more careful.

Some of the questions on the exam were the same ones I got last week. Many were different. While I was somewhat faster on ones I’d seen before, I deliberately slowed myself down. My problem last week was silly mistakes not lack of knowledge. So I had to make a point of being more careful.

In terms of time, I had 16 minutes left with one skipped question. (There was one with a lot of reading near the end and I figured I’d feel less rushed if I did it last. I spent 6 minutes on that questions. I then spent 5 minutes checking a few. I still didn’t get to check the majority of questions I marked for careful review. Submitted with 5 minutes left.

We let Oracle know about the exam length problem so hopefully they do something to improve the situation.

For content, I got a lot of pattern matching and records. I didn’t get virtual threads or sequenced collections this time (I did last week) so definitely luck of the draw.

After the exam

I removed the Lockdown browser software from my machine. It has a lot of power so I like it not being there.

I also went to the CertView page to get my badge. I used Chrome as Safari on Mac didn’t let me expand the menus.

To see my exam details:

  • Expand “Exam Results” on left navigation
  • Click “Exam History” on left navigation
  • Click “Results” on this exam on the right side
  • This downloads a PDF showing which objectives you got a question wrong on

For credentials, expand “Credential Management” on left navigation. You can then download a certificate or badge. There are also links to post on Linked In or email a link to verify your credential. I then went on Linked in and added a credential including the credential URL.

Scheduling the Java Certification Online – 2024 Edition (part 3)

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Since the last time I took an exam, Oracle switched from Pearson VUE in person testing to online testing from your home/office. This page explains the process of buying a voucher and scheduling an exam. Some of the steps aren’t obvious, so I comment on those in more detail.

Remember to study before you buy the exam as your exam must be taken within 6 months of paying. See our Java 21 OCP Certified Professional Study Guide page for details!

Step 1: Sign up for the exam!

To sign up for the exam with your voucher go to the Java 21 page on MyLearn. (or whichever version of Java you want to take the exam for.) You get prompted to activate your “subscription” (it’s still an exam attempt misleading called a subscription.

I chose to skip the option about personalizing my experience on MyLearn. Then you get to the page you want. Scroll down and choose “Register Now.” Ignore the course. It’s expensive and you haven’t bought it. Luckily, you don’t need to and can register for the exam.

You see the exam name and timing. All exams are proctored online. You can click either “Schedule your Exam” option.

Also on this page is a summary of what you need for the exam. it’s not thorough. For example, it tells you that you need a computer with a mic and webcam, but not that you need admin access. (Don’t use a work computer). They provide the details later on a webpage.

The detailed text before the schedule page is:

  • Computer – Use a personal desktop/laptop that has a reliable internet connection, microphone, and webcam.
  • Id – Ensure that you have your government-issued ID for verification at check-in. The ID must match exactly first and last name used for exam registration. Have two forms of acceptable IDs available if additional validation is requested.
  • Testing space – Checkin is 30 minutes before. You must not have access to any mobile devices, watches, other electronics, materials, books, screens, or anything else deemed unacceptable by the proctor. You should be the only person in the room, no other voices should be heard, and you should not speak during the exam. Make sure you take the exam in a quiet room, free from distraction. Headphones and virtual backgrounds are not allowed.

Step 2: Schedule the exam

Choose your time zone and the desired date for the exam. After you choose the date, it shows you the available times. There seem to be six start times per day (NYC time: midnight, 4:30am, 7am, 11:30am, 3pm, 7:30pm). Some days slots are full. Note that the exam is not given on weekends and options are available roughly two months out.

Then click “Save and Continue”

Select the one radio button that is an option and “Save and Continue” again

Then enter the name on your id and a contact phone number if there is a problem during the exam. Finally, agree to the terms and conditions. Which include a link for the details for the computer and id requirements. Then you get to schedule the exam.

Step 3: Learning path for validating system

Oracle provides a learning path to validate your setup. This walks through downloading the secure browser for your operating system. It’s called “Lockdown Browser OEM”. Good to know so you can delete it after the exam. The learning path took about 10 minutes to go through. It closed most of my applications, but oddly not the Chrome browser that I launched it from. (I was watching Hulu in the background in Chrome during the test)