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Failed the Oracle Certified Professional: Java SE 21 Developer exam — and instead of stewing, turn it into a project. Similar to YAML being “yet another markup language” despite its official mantra “YAML Ain’t Markup Language” — you might ask whether ‘YABL’ stands for Yet Another Blog Listing? Long story short: the reason is self-challenge. […]
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Use the links to download the testbank, which is still a work in progress. 2025-11-16: version 0.3 (MacOS .pkg installer) Download testbank, beta version 0.3. This work in progress version now contains some scaffolding to select a testbank to execute. Behind the scenes, it uses an Angular routerOutlet-like swapping of JavaFX components. 2025-11-01: version 0.2 […]