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Dr. Seán Kennedy OCA Courses
Java 25 Ready: Java 8–25 + Spring Boot 3 - In Simple Terms
4.6 (3,256 Reviews)
Provider: Udemy
Time: 33.7h- 2026
$74.99
Visit
Functional Programming in Java : Java Lambdas and Streams
4.7 (114 Reviews)
- Provider: Udemy
- Time: 4.4h
- 2026
$10.99
Visit
Most Recent Review
Excellent course. It’s concise and straight to the point. The style of teaching suited me down to a tee and exceeded my expectations. I needed to get up to speed with all the latest changes in Java (I haven’t used it in years) and did not want to waste time revisiting the fundamentals. This course fulfilled my goals. I left every section with a clear understanding and used the very precise notes to quickly revise and cement what I learned. Although I have no intention of sitting the OCP exam, I’d feel confident if I tried. Well done Dr Kennedy.
- Review by John S on Java 25 Ready: Java 8–25 + Spring Boot 3 - In Simple Terms
Instructor Bio
Hi, Seán here. I worked in industry for 13 years in FinTech and Telecoms. I have been a lecturer since 2002 and have a PhD in IT. I am Oracle certified in Java to both OCA and OCP levels. I have taught the OCA/OCP syllabii since 2013 on a Level 9 Masters course on behalf of Ericsson. The popular Java certification tool Enthuware link to my YouTube channel in their explanations. I have recently co-authored (with Maaike van Putten) two books on Java: "Learn Java with Projects" and "Java Memory Management: A comprehensive guide to garbage collection and JVM tuning".
