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: Apache Maven, Build Tools, Continuous Integration, Integrated Development Environments, Configuration Management, Java Programming, Development Environment, Software Installation, Dependency Analysis, Automation, Java, Product Lifecycle Management, Maintainability, Extensible Markup Language (XML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, JSON, Data Validation, Test Automation, Test Case, Development Environment, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Data, Test Execution Engine, Test Script Development, Test Case, Test Engineering, Software Testing, Debugging, Scalability, Test Planning, Application Frameworks, Maintainability, Automation, Code Reusability, Software Design Patterns, Configuration Management, Package and Software Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Performance Testing, Performance Stress Testing, Software Testing, Test Planning, Test Tools, Test Data, Test Script Development, Apache, Test Execution Engine, Software Installation
Beginner · 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

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Development Testing, Software Testing, Test Automation, Test Tools, Test Planning, Test Case, Maintainability, Software Quality (SQA/SQC), Software Quality Assurance, API Design, Application Programming Interface (API), Event-Driven Programming, Mockups, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Docker (Software), Continuous Delivery, Containerization, Git (Version Control System), Code Review
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, API Testing, Test Script Development, Security Testing, Continuous Integration, Test Tools, AI Security, CI/CD, Performance Stress Testing, Regression Testing, AI Integrations, Scalability, Automation, Test Case, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Test Driven Development (TDD), Test Script Development, Test Case, Web Development Tools, Development Testing, Unit Testing, Software Testing, Browser Compatibility, Test Tools, JavaScript Frameworks, Javascript, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Java, Java Programming, File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Test Script Development, Web Scraping, Apache, Web Development Tools, Data Import/Export, Verification And Validation, HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Software Testing, Test Case, Software Development Life Cycle, Software Quality Assurance, White-Box Testing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Data Literacy, Version Control, Data Analysis, Big Data, R Programming, Software Versioning, General Science and Research, Git (Version Control System), Data Quality, Statistical Reporting, Development Environment, Technical Communication
Mixed · Course · 1 - 4 Weeks