Which blogs on Java should I follow?

Here is my short list, a compilation of links from the article https://www.sitepoint.com/10-java-blogs-follow-2017/ by Thorben Jansen. However, due to my preferences I only include links that might be of interest to me personally.

Focus Author(s) Link
JPA, Hibernate Thorben Jansen http://www.thoughts-on-java.org/
Concurrency Heinz Kabutz http://www.javaspecialists.eu/archive/archive.jsp
Java, Spring, REST Eugen Baeldung http://www.baeldung.com/
JBDC, SQL, JPA, jOOQ Lukas Eder https://blog.jooq.org/
Java, Java EE Adam Bien http://adambien.blog/roller/abien/
New Java Stuff Takipi Team http://blog.takipi.com/
Tests Petri Kainulainen https://www.petrikainulainen.net/blog/
Java9, JUnit5 Nicolai Parlog http://blog.codefx.org/