Testing
Unit tests are the foundation of a healthy Java codebase. They run in milliseconds, catch regressions before they reach production, and give you the confidence to refactor without fear. But a test suite full of poorly written tests can be worse than no tests at all — it slows you down,
Testing
JUnit 5 is the current generation of the Java testing framework, released in 2017 and now the default choice for new projects. It replaces the monolithic JUnit 4 jar with a modular architecture, adds first-class support for parameterized tests, nested test classes, and dynamic test generation, and introduces a clean
Testing
Load testing tools have a reputation for being painful. JMeter XML files grow into unmaintainable tangles. Shell scripts with curl loops miss the statistical rigor you need. Gatling takes a different approach: express your load test as code, run it on the JVM, and get a polished HTML report when