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.

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Operations Research, Computer Programming, Java Programming, Java
Intermediate · Course · 3 - 6 Months

University of Alberta
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Software Design, Object Oriented Programming (OOP), Java, Java Programming, Maintainability, Code Reusability, Software Design Documents, Application Design, Conceptual Design, Diagram Design, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: UI Components, User Interface (UI), Computational Thinking, HTML and CSS, Web Design and Development, Interactive Design, Hypertext Markup Language (HTML), Web Development, Programming Principles, Web Design, Javascript, Event-Driven Programming, Computer Programming, Algorithms, Image Analysis, Web Applications, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, Maintainability, Data Store, Software Design, Application Development, Data Import/Export, Data Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Server Side, Istio, Software Architecture, Node.JS, Application Deployment, Restful API, Database Design, CI/CD, Kubernetes, Cloud-Native Computing, Responsive Web Design, NoSQL, Git (Version Control System), Front-End Web Development, Ajax, Javascript, Azure DevOps, Software Development
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), Hypertext Markup Language (HTML), Web Frameworks, Web Development, Web Development Tools, Cascading Style Sheets (CSS), Web Design, React.js, General Networking, Javascript, Web Servers
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Open Web Application Security Project (OWASP), Containerization, Server Side, Istio, Software Architecture, Node.JS, Application Deployment, Restful API, Database Design, Kubernetes, Cloud-Native Computing, Responsive Web Design, Git (Version Control System), Ajax, Grafana, Javascript, Azure DevOps, Software Development
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Test Case, Program Development, Test Script Development, Development Testing, Software Testing, Java Programming, Java, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Software Design, Computer Programming, Software Testing, Application Development
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Java Programming, Software Testing, Program Development, Performance Tuning, Algorithms, Performance Testing, Object Oriented Programming (OOP), Theoretical Computer Science
Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: React Native, Jest (JavaScript Testing Framework), Version Control, User Research, UI/UX Research, Usability Testing, Unix Commands, Restful API, Git (Version Control System), Persona (User Experience), GitHub, Interaction Design, User Experience Design, SQL, User Interface and User Experience (UI/UX) Design, Mobile Development, Design Research, React.js, Web Development Tools, Javascript
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Java, Java Programming, Algorithms, Computational Thinking, Object Oriented Programming (OOP), Functional Design, Development Environment
Beginner · Guided Project · Less Than 2 Hours