Java courses can help you learn object-oriented programming, data structures, exception handling, and multithreading concepts. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Interactive Design, Web Applications, Interaction Design, Scripting, Web Development, Data Validation
Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Memory Management, C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Programming Principles, Software Design, Python Programming, Java, Algorithms, Performance Tuning
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Selenium (Software), Test Driven Development (TDD), Performance Stress Testing, API Testing, Unit Testing, Performance Testing, Application Programming Interface (API), User Interface (UI), Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pseudocode, Computational Thinking, Debugging, Algorithms, Programming Principles, Web Development Tools, Computational Logic, Front-End Web Development, Solution Design, Javascript, Computer Programming, Data Structures, Web Development, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Cloud Deployment, Cloud-Native Computing, Cloud Development, Cloud Applications, Google Cloud Platform, Performance Tuning, Cloud Storage, Debugging, Containerization, Cloud Services, Development Environment, Data Storage, Node.JS
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Performance Tuning, Java, Memory Management, Computational Thinking, Algorithms, Java Programming, Data Structures, Scalability, Software Design Patterns, Programming Principles, Enterprise Architecture, Debugging, Management Consulting, Mitigation, Project Implementation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Development Environment, Integrated Development Environments, Program Development, Web Development Tools, JavaScript Frameworks, Code Reusability, Javascript, Front-End Web Development, Model View Controller, Web Development
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Programming Interface (API), Code Reusability, Software Design Patterns, Data Management, Data Structures, Event-Driven Programming, Web Development, Programming Principles, Data Import/Export, Software Development, Software Engineering, Performance Tuning, Data Mapping
Intermediate · Specialization · 1 - 3 Months
Coursera
Skills you'll gain: JUnit, MLOps (Machine Learning Operations), CI/CD, Continuous Integration, Jenkins, Test Automation, Unit Testing, Continuous Deployment, DevOps, Debugging, Code Coverage, Test Engineering, Data Pipelines, Test Data
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: OS Process Management, Scalability, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Video Game Development, Game Design, Program Development, Web Development Tools, Software Development, Computer Programming Tools, Software Development Tools, Development Environment, Software Documentation, Data Validation, Javascript, Debugging, Integrated Development Environments, Maintainability, Programming Principles, Data Structures, Code Reusability, Software Design, Computer Programming, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks