Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Debugging, Data Structures
Beginner · Guided Project · Less Than 2 Hours

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Theoretical Computer Science, Computer Programming, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Restful API, Software Design, JSON, Software Testing
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Back-End Web Development, Full-Stack Web Development
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Scalability, Software As A Service, Web Services, Cloud Services, Cloud Computing, JSON, Java Platform Enterprise Edition (J2EE), Restful API, Object Oriented Design, Middleware, Database Design, Systems Architecture, Application Deployment, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Android Studio, Android Development, Object Oriented Programming (OOP), Java Programming, Java, Mobile Development, Data Structures, Integrated Development Environments, Computer Programming, Debugging, Algorithms
Beginner · Course · 1 - 3 Months

Atlassian
Skills you'll gain: Git (Version Control System), Version Control, GitHub, Bitbucket, Software Configuration Management, Command-Line Interface, Code Review, Collaborative Software
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Databases, Data Persistence, Java, Data Manipulation, Data Mapping, Java Programming, JUnit, Object Oriented Programming (OOP), Query Languages, Database Management, Data Integrity, Database Systems, Enterprise Application Management
Beginner · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, AI Orchestration, LLM Application, OpenAI API, Java Programming, AI Workflows, Agentic systems, Generative AI, Prompt Patterns, Prompt Engineering, Large Language Modeling, Document Management, Secure Coding, Business Logic, Open Web Application Security Project (OWASP), Middleware, Plan Execution, Software Design Patterns, Persona Development
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Object-Relational Mapping, Web Development, Context Management, Application Frameworks, Scripting, Middleware, Server Side, Data Storage, Session Initiation Protocols, Data Sharing, Data Persistence, Event-Driven Programming, Enterprise Application Management, Hypertext Markup Language (HTML)
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Statistical Reporting, Data Visualization, Big Data, SQL, Query Languages, Data Import/Export, Data Presentation, Google Cloud Platform, Data Warehousing, Data Sharing, Analytics
Beginner · Guided Project · Less Than 2 Hours