Ken Kousen
Live online courses, books, and videos on O’Reilly online learning
Upcoming live online training courses
July 15, 2026
Leveraging Java’s Latest Features
With Oracle’s bi-annual releases of Java introducing new features, the language is continuously transforming and evolving. Join expert Ken Kousen as he guides you through the most important features of recent ...
July 21, 2026
Managing your manager
Many times, management decisions can seem capricious, arbitrary, or frustrating, but it doesn't have to be that way. In this three-hour hands-on course, Java Champion Ken Kousen shares the tips and ...
August 17 & 24, 2026
Spring and Spring Boot in 2 Weeks
Supercharge your Java skills with Spring and Spring Boot to transform your development capabilities and elevate your enterprise programming. Join developer, trainer, and consultant Ken Kousen for this hands-on course that ...
August 18, 2026
Agentic Commerce
It requires agent-friendly APIs, explicit authorization, transaction safety, structured errors, and a design that treats agents as real participants in the workflow rather than brittle screen-scrapers. Author, teacher, and JavaOne Rock ...
August 20, 2026
Agentic Coding with Google Antigravity CLI
Agentic Command-Line Development with Antigravity 2.0 Course Outcomes Install and configure Google Antigravity CLI on macOS, Linux, or Windows, including PATH setup, silent keyring sign-in, browser fallback, SSH authentication, and enterprise ...
August 26, 2026
Agentic Coding with OpenAI Codex CLI
Unlock the Potential of AI-Driven Coding Course Outcomes Understand how to use OpenAI Codex CLI for software development Course Description Elevate your development skills with OpenAI Codex CLI. This course provides ...
August 27, 2026
Agentic Coding with Claude Code
Harness the power of AI-assisted coding Course outcomes Accelerate Code & Documentation Automate and Standardize Enterprise Development Master Terminal Operation & Workflowt Customize and Extend the Agent Seamless Integration Course description ...
Bio
Ken Kousen is a Java Champion and Oracle Developer Champion, and the author of the books Modern Java Recipes (O’Reilly), Gradle Recipes for Android (O’Reilly) and Making Java Groovy (Manning), as well as O’Reilly video courses in Android, Groovy, Gradle, Advanced Java, and Spring. He is a regular speaker on the No Fluff, Just Stuff conference tour and a JavaOne Rock Star and Grails Rock Star. He has spoken at conferences all over the world. Through his company, Kousen I.T., Inc., he has taught software development training courses to thousands of students.