How to Use JaCoCo to Improve Your Code Quality

Naveen Metta
5 min readOct 6, 2024
credit goes to the owner: https://mobisoftinfotech.com/resources/blog/best-practices-to-improve-code-quality
source : mobisoftinfotech.com

In the world of software development, code quality is a pillar that supports the robustness, maintainability, and reliability of applications. One of the key aspects of ensuring code quality is through rigorous testing, and that’s where JaCoCo comes into play. JaCoCo, which stands for Java Code Coverage, is a free code coverage library for Java, which has become an essential tool in a developer’s toolkit. In this article, we’ll explore what JaCoCo is, how it works, and how you can use it to improve your code quality.

Understanding Code Coverage

Before diving into JaCoCo, let’s understand what code coverage is. Code coverage is a measure used to describe the degree to which the source code of a program is executed when a particular test suite runs. It provides a visual understanding of which parts of your code are being tested and which parts are not. High code coverage means that a large part of your codebase is tested, which can lead to fewer bugs and better code quality.

What is JaCoCo?

JaCoCo is an open-source toolkit for measuring and reporting Java code coverage. It integrates with build tools like Maven and Gradle and can be used in conjunction with continuous integration servers like Jenkins. JaCoCo generates detailed reports in various formats such as…

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Naveen Metta

I'm a Full Stack Developer with 3+ years of experience. feel free to reach out for any help : mettanaveen701@gmail.com