Code Coverage in DevOps: What It Measures, Why It Matters, and How to Use It in CI
Code coverage quantifies how much of your code is exercised by tests, helping teams find untested areas before release. This guide explains coverage types, CI workflow, practical commands, and how to avoid misusing the metric.
EMMA for Java Code Coverage: Setup, Instrumentation Modes, and J2EE Workflow
EMMA is a Java code coverage tool used to see which code paths are actually exercised by tests and runtime usage. This updated guide explains installation choices, instrumentation modes, and the offline J2EE workflow described in the original post.