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: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Algorithms, Programming Principles, Computational Logic, Java Programming, Computer Hardware, Scalability
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Apache Maven, Build Tools, Dependency Analysis, Integrated Development Environments, Jenkins, Software Configuration Management, JUnit, Software Installation, Code Coverage, Code Review, Software Versioning, Shell Script, Project Management, Software Documentation, Automation, Systems Integration, Debugging
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Debugging, TypeScript, Agentic systems, AI Workflows, Node.JS, OpenAI API, Generative AI, Program Development, Artificial Intelligence, LLM Application, Programming Principles, Maintainability, Development Environment, Prompt Engineering, Application Frameworks, Javascript, Large Language Modeling, File Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Development, Data Modeling
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Data Management, File I/O, Network Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Communication, Usability, Web Design, Web Development, User Interface (UI), Project Planning, Wireframing, Blogs, Interaction Design, Responsive Web Design, HTML and CSS, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, HTML and CSS, Front-End Web Development, Web Design and Development, Javascript, Application Design, Application Development, Data Validation, UI Components, Debugging
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Development, Javascript, JavaScript Frameworks, Web Content, Web Servers, Browser Compatibility, Web Design and Development, Web Analytics and SEO, Web Design, Front-End Web Development, Web Applications, Apache, Development Environment, Semantic Web, Software Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Drupal, Content Management Systems, Project Management Life Cycle, Presentations, Business Requirements, Content Development and Management, HTML and CSS, Web Design and Development, UI Components, Blogs, Advertising, Application Deployment, Portfolio Management, Responsive Web Design, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Version Control, Web Development, Cloud Deployment, OAuth, Web Development Tools, Database Management, Bootstrap (Front-End Framework), Restful API, Web Services, Spring Framework, TypeScript, Software Development, Application Development, Web Servers, NoSQL
Intermediate · Course · 3 - 6 Months

Skills you'll gain: JUnit, Test Automation, Unit Testing, Software Testing, Verification And Validation, Test Case, Test Driven Development (TDD), Integration Testing, Debugging, Mockups
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Software Design Patterns, Node.JS, Distributed Computing, Dataflow, Event-Driven Programming, Object Oriented Design, Software Design, Load Balancing, Software Architecture, Performance Tuning, Real Time Data, Systems Architecture, File I/O, Redis, Object Oriented Programming (OOP), Systems Design, Application Performance Management, Javascript, Maintainability
Intermediate · Specialization · 3 - 6 Months