Geertjan

1: book on Leanpub

About

About Geertjan

I’m a Java Champion, founder of Friends of OpenJDK (Foojay.io), Apache Member and Apache NetBeans PMC Chair, an open source enthusiast, and now an independent author, contractor, and consultant, after 25 years of fulltime work at Sun Microsystems, Oracle, and Azul.

Books

Books by Geertjan

1 book by Geertjan on Leanpub

Sustainability for Java Developers
Geertjan Wielenga, Frank Delporte, Simon Martinelli, Markus Westergren, Jan Ouwens, Jan-Hendrik Kuperus, jlengrand, A N M Bazlur Rahman, Vasco Correia Veloso, Ko Turk, Hanno Embregts, and Maarten Mulders

Books

Unpublished books

3 books by Geertjan on Leanpub

Spring PetClinic Meets Durable Execution
Geertjan
The Harness AI SRE Responder Guide
Geertjan
OpenTelemetry with Dash0
Geertjan

Find your next book on Leanpub.

Thousands of books, courses, bundles and tracks, updated by their authors as they write.

Browse the store