Editorial question126.6K views1,085 votes0 answers4,696 following
AI-generatedJUnit 5 default lifecycle requires static @BeforeAll and @AfterAll
A JUnit 5 test class requires non-static @BeforeAll and @AfterAll methods so setup can use constructor-injected dependencies. Under the default lifecycle, JUnit 5 instantiates the test class once per test method and rejects non-static class-level lifecycle methods. Enabling @TestInstance(TestInstance.Lifecycle.PER_CLASS) reuses a single instance for all test