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.

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: 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

Universidad de Palermo
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java, Java Programming, Software Design, Programming Principles, Software Development
Intermediate · 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

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Performance Tuning, OS Process Management
Intermediate · Course · 1 - 4 Weeks

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

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks

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

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

Duke University
Skills you'll gain: Software Design, Programming Principles, Program Development, Object Oriented Design, Code Reusability, AI Personalization, Data Integration, Databases, Computer Programming, Object Oriented Programming (OOP), User Interface (UI), Algorithms, Java Programming, Java, Data Structures, Data Management, Data Storage
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, User Interface (UI) Design, Application Frameworks
Intermediate · Guided Project · Less Than 2 Hours