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Eleven crazy learnings from the Java 11 certification: wrapper objects - functional interfaces actually CAN contain multiple abstract methods (10/11)
- By Hanno Embregts
- 2 years ago
- 0 comments
- Java
In the summer of 2021, I got my Java 11 certification. I expected it to be quite a breeze, because I’d been a Java developer for 14 years and surely I…

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Eleven crazy learnings from the Java 11 certification: wrapper objects - some are more equal than others (9/11)
- By Hanno Embregts
- 2 years ago
- 0 comments
- Java
In the summer of 2021, I got my Java 11 certification. I expected it to be quite a breeze, because I’d been a Java developer for 14 years and surely I…

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Using HSQL in OpenLiberty
- By Maarten Mulders
- 2 years ago
- 0 comments
- Web Development
A quick note, this time.
Recently, I wanted to do some hacking around on Jakarta EE and MicroProfile.
I chose to work with the OpenLiberty runtime, as…

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Eleven crazy learnings from the Java 11 certification: equality in cloned arrays (8/11)
- By Hanno Embregts
- 2 years ago
- 0 comments
- Java
In the summer of 2021, I got my Java 11 certification. I expected it to be quite a breeze, because I’d been a Java developer for 14 years and surely I…

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