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Here is an online programming problem that you could encounter when interviewing for a contract / permanent job. You have a Java developer environment with a unit test class DuplicateIntegersTest (JUnit 5) and you are using a Java 11 / Java 17. You have to write the logic that passes the following test. The exercise […]

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Welcome to another edition of the Principal Tech. In this video cast, on YouTube, I discuss #IR35RepealScrapped(hashtag) I am purposely not writing a lot of text on this blog post. The idea is you go watch and/or listen, because I am experimenting with the audio-visual form of content production This is all about the future […]

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Test-Driven Development using Kotlin (DELUXE EDITION) by Peter Pilgrim Java Champion I have now expanded this commercial video online course to over 6 hours of content. The megamix course is now rebranded as Test-Driven Development using Kotlin (DELUXE EDITION) by Peter Pilgrim Java Champion and it is available on Vimeo.           […]

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ANNOUNCEMENT NEW COURSE I have recorded video online lecture, online course, if you will. It is called Test-Driven Development using Kotlin by Peter Pilgrim Java Champion and it is available on Vimeo.     STOP PRESS My course is now also available at Teachable (PEAT School).   Enroll in Course   Feedback is very much […]

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This are my verbatim notes to the PEAT UK podcast:     Hot shot 005 – Quick introduction Spock Testing framework Thursday, 17th May 2018 Hello there once again to another hot shot. My name is Peter Pilgrim, Platform engineer and DevOps specialist, and Java Champion. Spock is a behavourial-driven design (BDD) testing framework written […]

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Using the source code from the Java EE 7 Developer Handbook, I demonstrate how to execute an Arquillian integration test inside IDEA. You learn how to create a runtime configuration and with this knowledge you will be able to debug and verify functionality, and accelerate iterative engineering.     +PP+     Feedback is always […]

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This blog post is for those of you who are unaware that there is a major debate in contemporary software development happening now, today. People have been wondering about the value of Test-Driven Development (TDD) for a long while, but it was not until David Heinemeier Hansson of 37 Signals  posted a blog article on […]

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My Test Driven Development with Java EE 7 talk at Devoxx UK 2013, in which I talk my testing with the Arquillian framework and unit test inside the container. I promote an early version of the code from upcoming Java EE 7 book. I’m going to reprise this talk and move the level up from […]

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Here is a review of Arquillian Testing Guide by John D. Ament published by Packt Publishing. Before I give my opinion of his book, let me first make a disclaimer. I am also a Packt Pub author. I am the author of the up and coming Java EE 7 Developer Handbook (September 2013). Mr Ament […]

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Thank you all for attending my Devoxx UK 2013 presentation earlier today: Test-Driven Development with Java EE 7, Arquillian and Embedded Containers. It was a total honour to be at the first United Kingdom franchise. I am very proud to have served the community. Here is the Slidedeck for the talk: Devoxx UK 2013 Test-Driven […]

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In the early months of 2013, I have two conference that I, definitely, will be speaking at: Devoxx UK 2013, London. My talk is called Test Driven Development with Java EE 7, Arquillian and Enterprise Containers. This is the first edition of the Devoxx franchise in the United Kingdom. The conference is taking place at […]