This course is your complete hands-on guide to writing clean, maintainable, and testable Java applications. Whether you're testing services, repositories, or time-sensitive logic, this course equips you with the skills to confidently write and maintain unit tests using industry-standard tools like Mockito and JUnit.
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- 'Mocking Basics - Understand how and why we use mocks in Java applications.'
- 'Creating Mocks - Learn to create and inject mock dependencies using Mockito.'
- 'Stubbing Methods - Control mock behavior with when() and return values.'
- 'Verifying Interactions - Use verify(), verifyNoInteractions(), and more to assert mock behavior.'
- 'Argument Capturing - Capture and assert arguments passed to mocked methods.'
- 'BDD with Mockito - Apply Behavior-Driven Development (BDD) using given() and then().'
- 'Advanced Techniques - Learn custom answers, async verification, and in-order assertions.'
- 'Mocking Time - Control time in your tests with mock clocks and scheduled verifications.'
- Practical Learning: Learn by doing—write real-world unit tests that cover edge cases, error handling, and business logic.
- Production-Ready Testing Skills: Gain confidence in using mocking, verification, and test doubles in professional Java applications.
- Advanced Techniques Included: Explore argument captors, custom answers, and time mocking for advanced testing scenarios.
- Boost Code Quality: Learn best practices that improve code maintainability and reduce bugs over time.
- Beginner to Intermediate Java Developers: Those ready to take their testing skills to the next level with Mockito and JUnit.
- Backend Engineers: Professionals writing business logic and wanting reliable tests to support refactoring and scaling.
- QA-Focused Developers & SDETs: Developers working in test-heavy environments who need to mock and verify system interactions.
- Java Test Engineer: Build complete test suites using Mockito, JUnit, and assertion libraries.
- Backend Developer: Write robust, testable services and repositories.
- Software Developer in Test (SDET): Specialize in Java-based automation with deep knowledge of mocking and testing patterns.
- QA Automation Engineer: Build cleaner, more maintainable automated tests in Java environments.
- Java developers writing or maintaining Spring Boot apps
- Backend engineers looking to increase test coverage
- Teams adopting TDD (Test-Driven Development) workflows
- Developers preparing for interviews with a focus on testing and clean architecture
- Working knowledge of Java
- Familiarity with classes, interfaces, and OOP principles
- Some experience using JUnit (helpful but not required)
Join thousands of engineers improving the quality of their Java code with proven unit testing practices. This course will teach you how to write effective, reliable, and readable tests using Mockito—whether you're working on legacy code or brand-new projects.
Don't leave your tests to chance. Enroll now and gain full control over your code's behavior and reliability with Mockito and Java!
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