---
title: What is unit testing? How to improve your test coverage in Java
date: 2021-03-31T12:30:49Z
modified: 2021-04-07T12:33:57Z
permalink: "https://redmonk.com/videos/what-is-unit-testing-how-to-improve-your-test-coverage-in-java/"
type: video
status: publish
excerpt: ""
wpid: 2622
tags:
  - DiffBlue
  - java
  - test
  - unit testing
  - What Is - How To
  - RedMonk Video
series:
  - What Is - How To
channel:
  - RedMonk Video
featured_image: "https://redmonk.com/wp-content/uploads/2021/03/WiHt-DiffBlue-thumbnail-V2.jpg"
timestamp: 2021-04-07T12:33:57Z
---

Short video introduction into why unit testing is important, what it is, and how you can easily improve test coverage in your Java code bases. The importance of broad test coverage, especially in modernising and maintaining code bases. An interview with [DiffBlue](https://redmonk.com/jgovernor/2020/12/21/new-client-profile-diffblue/), which creates human readable tests using machine learning techniques.