LearnQuest
Skills you'll gain: Java Programming, Java, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design, Computer Programming, Application Frameworks, Data Structures, Virtual Machines, Web Development, Debugging, Data Persistence, Package and Software Management, Development Environment
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Apache Maven, Spring Boot, Model View Controller, Unit Testing, Microservices, Application Development, Spring Framework, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, NoSQL, Ajax, Hibernate (Java), Data Persistence, Software Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Algorithms, Software Testing, Java, Computer Programming, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: File I/O, Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Web Servers
Beginner · Course · 1 - 3 Months

Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Spring Boot, Hibernate (Java), Object Oriented Design, Spring Framework, Database Management, Computer Programming, Web Development, Authorization (Computing), Restful API, Debugging, Programming Principles
Beginner · Course · 3 - 6 Months

Skills you'll gain: Restful API, Application Security, Java, Model View Controller, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Java Programming, Java, Build Tools, Eclipse (Software), Database Application, Full-Stack Web Development, CI/CD, Web Applications, Application Servers, Software Configuration Management, Continuous Integration, Application Development, Business Logic, UI Components, Integrated Development Environments, Role-Based Access Control (RBAC), Automation, Software Design Patterns, Program Development
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Spring Boot, Application Development, Redis, Java, Hibernate (Java), Web Development, Database Development, Authentications, Application Security, Performance Tuning, Unit Testing, Command-Line Interface, Event Monitoring, Software Configuration Management
Mixed · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Hibernate (Java), Performance Tuning, Software Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Java, Application Frameworks, Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Extensible Markup Language (XML), Dependency Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Software Design Patterns
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Full-Stack Web Development, Server Side, Restful API, Angular, Middleware, Application Deployment, Authentications, Javascript, MongoDB, Application Programming Interface (API), Back-End Web Development, Front-End Web Development, JSON, Development Environment
Beginner · Course · 1 - 3 Months