Spring profiles are an advanced feature in Spring Boot. That's not to say they are difficult to understand -- they're actually very straightforward. However, new Spring developers often brush over the ...

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Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...

Novice programmers rarely see the value in externalized configuration. It's tedious and doesn't result in an immediate payoff. That means this task is often overlooked or done poorly, if at all. For ...