JUnit courses can help you learn unit testing principles, test-driven development, and effective debugging techniques. You can build skills in writing test cases, understanding assertions, and using mocking frameworks. Many courses introduce tools like Mockito and AssertJ, which enhance your testing capabilities and streamline the development process. You'll also explore best practices for maintaining code quality and integrating tests into continuous integration pipelines, ensuring your applications are robust and reliable.

Skills you'll gain: Java Programming, Java Platform Enterprise Edition (J2EE), JUnit, Software Documentation, Application Frameworks, Development Environment, Application Design, Software Testing, Performance Tuning, Data Persistence, Maintainability
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Engineering Tools, Software Development Tools, JUnit, Development Testing, Data Ethics, Test Automation, Software Development Methodologies, Dataflow
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Build Tools, Eclipse (Software), CI/CD, Java, Continuous Integration, Integrated Development Environments, Dependency Analysis, Extensible Markup Language (XML)
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Apache Maven, Build Tools, Dependency Analysis, IntelliJ IDEA, Integrated Development Environments, Software Configuration Management, Eclipse (Software), Configuration Management, Java, Software Installation, Code Coverage, Shell Script, Project Management, Software Documentation, Automation, Systems Integration, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: GitHub, Jenkins, Git (Version Control System), Version Control, Selenium (Software), CI/CD, Test Automation, Test Script Development, Test Data, Unit Testing, Test Case, Software Testing, Test Execution Engine, Python Programming
Advanced · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Version Control, Git (Version Control System), GitHub, Jenkins, Continuous Integration, Test Automation, CI/CD, Test Data, Test Script Development, Software Versioning, Software Testing, IntelliJ IDEA, Test Case, Development Environment, Application Frameworks, Apache Maven
Advanced · Course · 3 - 6 Months

Skills you'll gain: Performance Testing, Performance Stress Testing, Test Tools, Software Testing, API Testing, Application Performance Management, Test Planning, Test Script Development, Test Data, Configuration Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Script Development, Performance Testing, Performance Stress Testing, Test Tools, Verification And Validation, Software Testing, Test Data, Data Validation, Scripting, Application Performance Management, Scenario Testing, Proxy Servers, Distributed Computing, Software Installation, System Monitoring
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Jenkins, CI/CD, Build Tools, Apache Tomcat, Apache Maven, Docker (Software), Continuous Integration, Shell Script, Continuous Deployment, Application Deployment, Devops Tools, Unix Shell, Software Configuration Management, Application Servers, DevOps, Continuous Delivery, Containerization, Solution Delivery, Command-Line Interface, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Integration, Test Automation, Authentications, CI/CD, Test Script Development, API Testing, Software Testing, Behavior-Driven Development, Event-Driven Programming, GitHub, Cascading Style Sheets (CSS)
Intermediate · Course · 3 - 6 Months