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

LearnQuest
Skills you'll gain: Java, Application Servers, Web Applications, Development Environment, Java Programming, Application Development, Program Development, Object Oriented Programming (OOP), Mobile Development, Computer Programming, UI Components, Event-Driven Programming, User Interface (UI), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, Object Oriented Programming (OOP), Javascript, Web Applications, Application Programming Interface (API), Programming Principles, JSON, User Interface (UI), Interactive Design, Front-End Web Development, Event-Driven Programming, Responsive Web Design, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Java, Computer Programming, Data Validation, Data Integrity, Computer Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Integrated Development Environments, Java, Development Environment, Debugging, Object Oriented Programming (OOP), Programming Principles
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Java, Object Oriented Design, File I/O, Program Development, Encryption
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Java, Software Architecture, Object Oriented Programming (OOP), Data Structures, Software Design, Computer Programming, Programming Principles, Application Development, UI Components
Mixed · Course · 1 - 3 Months

Skills you'll gain: Ajax, JSON, Application Programming Interface (API), Javascript, Event-Driven Programming, Data Validation, Web Development, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Mobile Development, Java Programming, Object Oriented Programming (OOP), Application Frameworks, Android Development, Application Development, Program Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Design, Software Design Patterns, Functional Design, Maintainability
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Eclipse (Software), Integrated Development Environments, Java Programming, Java, Object Oriented Programming (OOP), Development Environment, Software Installation, Debugging, Computer Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Webpack, JavaScript Frameworks, Full-Stack Web Development, JSON, Web Development Tools, HTML and CSS, Application Programming Interface (API), Javascript, Web Development, Web Applications, Browser Compatibility, Authentications
Intermediate · Course · 1 - 3 Months