Matthias Fischer

Matthias Fischer

Matthias Fischer has a degree in general computer science and has been working as a software developer at doubleSlash since 2006. He has cross-industry experience in IT projects and works with well-known customers such as Deutsche Post Direkt GmbH, BMW AGFederal Printing Office, ZF AG and Zeppelin Systems together. Matthias has extensive expertise in Spring Boot, Java EE and Angular. His main focus is on back-end development, but for some time now he has also been involved in front-end development with Angular. Matthias is also passionate about software quality, automated testing and agile development.

Contributions from Matthias Fischer

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Query CSV file with SQL using Java and H2

Sometimes it would be really great if you could query a CSV file in a simple way using SQL.

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Get more out of the Firefox history

Have you ever been annoyed by the fact that Firefox only shows the last visit to a website in the history and no advanced search options such as AND- or OR-queries?

Peer programming with AI

Pair Programming with ChatGPT

In this article, we show you how ChatGPT in the development and optimization of code. From unit tests and documentation to refactorings - find out how AI increases efficiency and ensures code quality.

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JUnit MethodSource and Nested

In this article we show how parameterized tests in JUnit together with @Nested and what is the most elegant variant here.

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JUnit TestWatcher

We show here how to write a JUnit extension that monitors test execution. Specifically, the execution of further tests in a test class should be prevented as soon as one of the test methods fails.

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