Welcome to our JUnit 4 tutorial, where we’ll guide you through the essentials of setting up a project and creating basic tests and test suites. JUnit 4 is a widely-used testing framework in the Java ecosystem, allowing developers to write and execute tests to ensure the reliability and correctness of their code. Whether you’re a beginner or looking to refresh your knowledge, this tutorial will provide a step-by-step approach to get you started with JUnit 4.