Learn Java Unit Testing with Junit & Mockito in 30 Steps — 90% OFF Discount Coupon

Learn Mockito and JUnit - the most popular Java unit testing and mocking frameworks - with 25 Examples

★4.5 out of 5
117,853 students
Created by in28Minutes Official
English
Updated April 2026

Quick Facts — Course Summary

Here's a quick overview of everything you need to know about Learn Java Unit Testing with Junit & Mockito in 30 Steps before you enroll:

•Course Name: Learn Java Unit Testing with Junit & Mockito in 30 Steps
•Platform: Udemy
•Instructor: in28Minutes Official
•Coupon Last Verified: April 1, 2026
•Level: All Levels
•Topic: IT & Software
•Subtopic: Mockito
•Total Time: 5h of video content
•Language: English
•Access Type: Unlimited lifetime access + updates
•Certificate: Included upon completion from Udemy
•Main Skills: You will Understand the Basics of Unit Testing with JUnit · You will Learn the Most Popular Mocking Framework - Mockito · You will Learn to Write Great Unit Tests using Mocking
•Requirements: You have an attitude to learn while having fun · You have Java Programming Experience and ZERO Experience with Junit and Mockito
•Current Price: $9.99 (was $99.99). You save $90.00 with 90% discount.
•How to Apply: Click the coupon button to activate your discount automatically
💡
Tip:For best results, apply the coupon in a regular browser window rather than incognito/private mode.

Skills You'll Master

By the end of Learn Java Unit Testing with Junit & Mockito in 30 Steps, you'll have these practical skills:

✓You will Understand the Basics of Unit Testing with JUnit .
✓You will Learn the Most Popular Mocking Framework - Mockito .
✓You will Learn to Write Great Unit Tests using Mocking .
✓You will Learn to Use Mockito in combination with Junit and PowerMock.

What You Need Before Starting

Before enrolling in Learn Java Unit Testing with Junit & Mockito in 30 Steps, make sure you have:

•You have an attitude to learn while having fun
•You have Java Programming Experience and ZERO Experience with Junit and Mockito
•We will help you install Eclipse and get up and running with Maven

About This Udemy Course

The following is the full official course description for Learn Java Unit Testing with Junit & Mockito in 30 Steps as published on Udemy by instructor in28Minutes Official:

Writing Great Unit Tests distinguishes Good Programmers from Great Programmers.

In this course, you will learn how to Write Great Java Unit Tests with Mockito and JUnit.

WHAT OUR LEARNERS ARE SAYING:
  • 5 STARS - When I’ve started this course I had very basic knowledge of JUnit and Mockito and now everything is clearer. It is a very good course for beginners. Everything was very well explained. 
  • 5 STARS - As always, Ranga offers an excellent way of teaching: coding from scratch, good explanation, useful examples for the real world job. He is not only an experienced programmer, but also a great teacher. I learned more than I expected. Thanks
  • 5 STARS - It was my long time wish to learn Mockito and this instructor nailed it. Best 5hrs I spent ever. He is really good in what he is doing. 
  • 5 STARS - This course is a great tutorial to unit testing and standard practices of mocking. I would recommend it to even experienced developers who would be surprised to find some new ideas in here. Explanations are precise and detailed. Well done.
  • 5 STARS - Very interesting course with good examples. Every topic was easy to understand because of author's awesome explanation. I rate this course as 5/5.
  • 5 STARS - Very good course. The approach is very systematic and step by step. I really like the combination of theory and practical goes hand by hand. The journey from JUnit to Mockito to Powermock is very well described.
COURSE HIGHLIGHTS

You take 12 steps with JUnit and 18 steps with Mockito into unit testing proficiency.

Mocking with Mockito
  • Step 01 : Set up an Eclipse Project with JUnit and Mockito frameworks. First Green Bar.
  • Step 02 : Example to start understanding why we need mocks.
  • Step 03 : What is a stub? Create an unit test using Stub? Disadvantages of Stubs.
  • Step 04 : Your first Mockito code! Hurrah!!! Lets use Mockito to mock TodoService.
  • Step 05 : Stubbing variations with Mockito. A few mockito examples mocking List class : Multiple return values, Argument Matchers and throwing exceptions.
  • Step 06 : Introduction to BDD. Given When Then. BDD Mockito Syntax.
  • Step 07 : How to verify calls on a mock? Verify how many times a method is called. We will add deleteTodo method to the TodoService.
  • Step 08 : How to capture an argument which is passed to a mock?
  • Step 09 : Hamcrest Matchers.
  • Step 10 : Let's simplify things with Mockito Annotations. @Mock, @InjectMocks, @RunWith(MockitoJUnitRunner.class), @Captor
  • Step 11 : JUnit Rules. Using MockitoJUnit.rule() instead of @RunWith(MockitoJUnitRunner.class).
  • Step 12 : Real world Example with Spring
  • Step 13 : What is a spy? How to spy with Mockito?
  • Step 14 : Some Theory : Why does Mockito not allow stubbing final and private methods?
  • Step 15 : Using PowerMock and Mockito to mock a Static Method.
  • Step 16 : Using PowerMock and Mockito to invoke a private Method.
  • Step 17 : Using PowerMock and Mockito to mock a constructor.
  • Step 18 : Good Unit Tests.
JUnit Framework
  • Step 01 : Need for Unit Testing
  • Step 02 : Setting up your First JUnit
  • Step 03 : First Successful JUnit. Green Bar and assertEquals
  • Step 04 : Refactoring Your First JUnit Test
  • Step 05 : Second JUnit Example assertTrue and assertFalse
  • Step 06 : @Before @After
  • Step 07 : @BeforeClass @AfterClass
  • Step 08 : Comparing Arrays in JUnit Tests
  • Step 09 : Testing Exceptions in JUnit Tests
  • Step 10 : Testing Performance in JUnit Tests
  • Step 11 : Parameterized Tests
  • Step 12 : Organize JUnits into Suites

Start Learning Now. Hit the Enroll Button!

Compare Similar Courses

This section allows you to compare the current course with similar options to help you make an informed decision by evaluating prices, ratings, and key features side by side.

Compare prices and features to find the best deal for your learning needs

Is the Learn Java Unit Testing with Junit & Mockito in 30 Steps Coupon Worth It?

Expert review by Andrew Derek, Lead Course Analyst at CoursesWyn.•Last updated: April 1, 2026.

Based on analysis of the curriculum structure, student engagement metrics, and verified rating data, Learn Java Unit Testing with Junit & Mockito in 30 Steps is a high-value resource for learners seeking to build skills inIT & Software. Taught by in28Minutes Official on Udemy, the 5h course provides a structured progression from foundational concepts to advanced techniques— making it suitable for learners at all levels. The current coupon reduces the price by 90%, from $99.99 to $9.99, removing the primary financial barrier to enrollment.

✓What We Like (Pros)

  • Verified 90% price reduction makes this course accessible to learners on any budget.
  • Aggregate student rating of 4.5 out of 5 indicates high learner satisfaction.
  • Strong enrollment base with over 117,853 students demonstrates course popularity and trust.
  • Includes an official Udemy completion certificate and lifetime access to all future content updates.

!Keep in Mind (Cons)

The following limitations should be considered before enrolling in Learn Java Unit Testing with Junit & Mockito in 30 Steps:

  • The depth of IT & Software coverage may be challenging for absolute beginners without the listed prerequisites.
  • Lifetime access is contingent on the continued operation of the Udemy platform.
  • Hands-on projects and quizzes require additional time investment beyond video watch time.
Final Verdict: Worth It
This course offers exceptional value with current pricing
✓

Course Rating Summary

Learn Java Unit Testing with Junit & Mockito in 30 Steps Course holds an aggregate rating of 4.5 out of 5 based on 117,853 student reviews on Udemy.

4.5
★★★★★
117,853 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy.

Instructor Profile

The following section provides background information on in28Minutes Official, the instructor responsible for creating and maintaining Learn Java Unit Testing with Junit & Mockito in 30 Steps on Udemy.

Learn Java Unit Testing with Junit & Mockito in 30 Steps is taught by in28Minutes Official, a Udemy instructor specializing in IT & Software. For the full instructor biography, professional credentials, and a complete list of their courses, visit the official instructor profile on Udemy.

•Instructor Name: in28Minutes Official
•Subject Area: IT & Software
•Teaching Approach: Practical, project-based instruction focused on real-world application of IT & Software skills.

Frequently Asked Questions

The following questions and answers cover the most common queries about Learn Java Unit Testing with Junit & Mockito in 30 Steps, its coupon code, pricing, and enrollment process.

About the Author

AD

Andrew Derek

Lead Course Analyst at CoursesWyn with 8+ years of experience evaluating online learning platforms. I've analyzed 500+ Udemy courses and helped thousands of learners choose the right courses for their career goals.

⭐4.8/5 Rating
✓Trusted by 10K+ Students

Explore More Resources

Discover related content and navigation options for IT & Software:

More IT & Software Courses You Might Like

Similar Udemy courses in IT & Software with verified coupons: