Udemy

JUnit and Mockito Crash Course

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  • 25,855 Students
  • Updated 3/2026
4.5
(5,445 Ratings)
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Course Information

Registration period
Year-round Recruitment
Course Level
Study Mode
Duration
4 Hour(s) 35 Minute(s)
Language
English
Taught by
Bharath Thippireddy
Rating
4.5
(5,445 Ratings)

Course Overview

JUnit and Mockito Crash Course

Learn how to use JUnit and Mockito and Unit Test in easy steps.

Sample of the reviews:

Very good teacher, knows the material. Hands on exercises that are quick to write, but very useful to support the learning of the course content. I'll keep these tiny projects and I'll refer to it often when coding. I've learned a lot about JUnit testing and Mockito, but also about other tools useful in software unit testing: Ex: Spring, shortcuts in Eclipse. - Guy Audet

Very well explained, to the point, on short interval to grasp the content. Every lecture has purpose achieved. Simple examples. Really nice course. - Kaushal Trivedi

I enjoyed the course. The Course is well structured, principles were clearly explained, the sound and picture quality was good. I recommend the course to everyone who would like to begin with java unit testing. Thanks, Bharath! - Mario Banay

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Are you a java developer who want to become an expert at Unit Testing ? Then this course is a quick practical guide for you. Learn how to write real unit tests using JUnit and Mockito. This course will simplify things with concepts and step by step implementations .

There are so many java professionals who write great code , but not unit tests. This course aims at filling that gap by covering JUnit and Mockito the two required frameworks to write good unit tests.

Learn and master the most popular unit testing technologies in this comprehensive course.

  • Understand the importance of writing Unit Tests

  • Updated to use the latest versions of JUnit and Mockito

  • Learn the Syntax of JUnit 4 and 5

  • Demystify the topics of Mocking

  • Write Unit tests using JUnit and Mockito

  • Learn what test coverage is and how to measure it

  • Run unit tests as a part of your Maven build

  • Learn how to Unit Test Spring Boot Applicaiton

  • All in easy steps

Mastering Unit Testing for Java Professionals:

JUnit is a open source Framework to test and assert code behavior . Mockito mocks out the dependencies and stub the expectations allowing testing a particular layer/unit in isolation.

Any java developer at any level can access the key lessons and concepts in this course and learn to write quality unit tests.

This course is perfect for every java developer who works on building high quality applications .

Contents and Overview:

In over 4 hours of lectures this course covers necessary JUnit API and its usage with Mockito.

This course covers the importance of unit testing , how to effectively use JUnit ,how mocking works and how to use Mockito to write real unit tests.

Up on completion you will be able to test Java and Spring Boot applications ,run unit tests as a part of your build and measure code coverage and improve it.

Course Content

  • 15 section(s)
  • 94 lecture(s)
  • Section 1 Software Setup
  • Section 2 Introduction
  • Section 3 JUnit in Action
  • Section 4 Using JUNIT 5
  • Section 5 JUNIT 5 and Mockito in Action
  • Section 6 Test Coverage
  • Section 7 More Mockito
  • Section 8 Best Practices and Patterns
  • Section 9 Section 10 - Test Maven Java Web Application
  • Section 10 Parameterized JUnit
  • Section 11 Mocking Static Methods
  • Section 12 Create Spring Boot Micro Services
  • Section 13 Test Spring Boot Applications
  • Section 14 Test E-Dating Spring Boot REST API
  • Section 15 Wrap Up

What You’ll Learn

  • Learn what Unit Testing is, Understand the importance of Unit Testing, Learn the JUnit Framework and API, Learn what mocking is and why we should mock, Write tests using JUnit and Mockito, Learn What Test Coverage is and how to measure it, All in simple and easy steps, Spring Testing Quick Start, PowerMock Quick Start, Parameterized JUnit


Reviews

  • B
    Barbaral
    1.0

    This course is outdated. The author is claiming that it's up to date but he is mixing JUnit 4 and JUnit 5 making the lessons totally unclear. There should be some kind of disclaimer about the deprecation because going through this course is waste of time

  • S
    Sayab Garces Escamilla
    4.0

    no problem

  • M
    Manikanta K
    5.0

    Very Great course Sir. But from my side, there is one suggestion. It's a great help if have some sessions on how we can test private methods.

  • S
    Suman Paul
    2.0

    The course feels very outdated. The instructor claims it’s updated, but that’s not the case. There’s inconsistency throughout—sometimes JUnit 4 is used, other times JUnit 5—which makes it confusing and frustrating to follow.

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