To download and install in Spring Tool Suite (STS), you can use the built-in Eclipse Marketplace for a quick setup or the Install New Software menu for a manual update site installation . Overview of EclEmma
EclEmma is a free Java code coverage tool based on the library. It integrates directly into the STS workbench, allowing you to see which parts of your code are executed during tests without modifying your project. Method 1: Installing via Eclipse Marketplace (Recommended) how to download eclemma in sts
This is the easiest way to add EclEmma to your STS environment. : Launch your Spring Tool Suite application. To download and install in Spring Tool Suite