6 Best Concurrency Certification Courses
We compared 6 Concurrency courses currently listed on Coursera and Udemy, priced from $19.99 to $49.00. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.
- Courses compared
- 6
- Price range
- $19.99 – $49.00
- Providers
- Coursera, Udemy
- Last updated
- 23 Sep 2026
How these 6 courses were chosen
Every course below is a real, currently listed course from Coursera, Udemy, matched to "concurrency" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
The grade on each entry scores how much the provider publishes about the course before you pay — the length and detail of the description, whether it lists learning outcomes and objectives — and whether a named university or institution stands behind it. A is fully documented and institution-backed; E is little more than a title and a price. Courses with almost nothing published are left ungraded rather than marked down, because an unknown course and a poor one are not the same thing.
There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $49.00, as listed by the provider when we last updated the page.
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1
Java SE 21: Streams, Modules, Concurrency & I/O
Offered by John Wiley & Sons
This course delves into advanced Java SE 21 concepts, focusing on streams, modular programming, concurrency, and input/output operations. These critical skills are essential for developing high-performance, scalable, and...
$49.00listed price -
2
Oracle Certified Professional Java SE 11 Developer (1Z0-819)
Oracle Certified Professional (OCP) Java SE 11 Developer 1Z0-819 Practice Exams course is a comprehensive exam-preparation program designed to help Java developers, software engineers, students, and IT professionals succ...
$19.99listed price -
3
OCP Java SE 21 Certification Preparation
Offered by John Wiley & Sons
This specialization prepares learners for the Oracle Certified Professional (OCP) Java SE 21 exam, progressing from foundational Java concepts to advanced application development techniques. In the first course, learners...
$49.00listed price -
4
Oracle Certification 2024: OCP SE17 Developper 1z0-829 Part1
THE OCP EXAM TOPICS COVERED IN THIS PRACTICE TEST INCLUDE THE FOLLOWING:Working with Streams and Lambda ExpressionsUse Java object and primitive Streams, including lambda expressions implementing functional interfaces, t...
$24.99listed price -
5
![Java Certification (1Z0-819) Exam Simulation Part-2 [2026]](https://i.udemycdn.com/course/480x270/3908438_8aeb_2.jpg)
Java Certification (1Z0-819) Exam Simulation Part-2 [2026]
Are you ready to pass the Java SE 11 Developer (1Z0-819) exam and prove your competency to recruiters and employers alike?As of 9th Feb 2026, the practice test questions have helped 24 students to pass the OCP: Java SE 1...
$19.99listed price -
6
![Java Certification (1Z0-819) Exam Simulation Part-4 [2026]](https://i.udemycdn.com/course/480x270/3908456_18d3_2.jpg)
Java Certification (1Z0-819) Exam Simulation Part-4 [2026]
Are you ready to pass the Java SE 11 Developer (1Z0-819) exam and prove your competency to recruiters and employers alike?As of 9th Feb 2026, the practice test questions have helped 24 students to pass the OCP: Java SE 1...
$19.99listed price
Best Concurrency Certification Courses compared
| # | Course | Provider | Offered by | Price | |
|---|---|---|---|---|---|
| 1 | Java SE 21: Streams, Modules, Concurrency & I/O | Coursera | John Wiley & Sons | $49.00 | View → |
| 2 | Oracle Certified Professional Java SE 11 Developer (1Z0-819) | Udemy | — | $19.99 | View → |
| 3 | OCP Java SE 21 Certification Preparation | Coursera | John Wiley & Sons | $49.00 | View → |
| 4 | Oracle Certification 2024: OCP SE17 Developper 1z0-829 Part1 | Udemy | — | $24.99 | View → |
| 5 | Java Certification (1Z0-819) Exam Simulation Part-2 [2026] | Udemy | — | $19.99 | View → |
| 6 | Java Certification (1Z0-819) Exam Simulation Part-4 [2026] | Udemy | — | $19.99 | View → |
Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.
What the prices here tell you
The 6 priced courses on this page run from $19.99 to $49.00, with the middle of the range around $24.99 — a spread of $29.01. The options are closely priced, so cost is unlikely to be your deciding factor. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.
Who is behind these courses
These courses come from Coursera and Udemy. The platforms differ in how they sell: some charge once per course, others expect a subscription, and the listed price is not always what you pay at checkout after a promotion.
Courses versus exam preparation
6 of the entries here are built around a certification exam rather than teaching Concurrency from scratch. They are the right choice only if you already know the material and want to pass a specific exam; if you are starting out, pick one of the taught courses first and come back to exam preparation afterwards.
Before you enrol
Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 23 September 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.