
EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Relational Databases, Databases, Java, Web Servers, SQL, Stored Procedure, Authentications, Web Applications, Secure Coding, Middleware, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 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

LearnQuest
Skills you'll gain: Eclipse (Software), Java, Java Programming, Integrated Development Environments, Development Environment, Software Installation, Computer Programming, Programming Principles, Program Development, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Enterprise Architecture, Server Side, Transaction Processing, Business Logic
Intermediate · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java, File Management, Data Import/Export, Maintainability, Debugging, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Continuous Integration, Database Development, Application Security, Java, Containerization, SQL, Databases, Database Design, NoSQL, Docker (Software), Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unified Modeling Language, Software Design Patterns, C++ (Programming Language), Software Architecture, Object Oriented Design, Software Design, Object Oriented Programming (OOP), Maintainability, Programming Principles
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Front-End Web Development, Javascript, Software Design Patterns, Web Design and Development, Web Applications, Cascading Style Sheets (CSS), Maintainability, Web Development, UI Components
Intermediate · Course · 1 - 4 Weeks

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

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java, Development Environment, Scalability, Load Balancing, Data Integration, Restful API, Configuration Management, Application Performance Management, Continuous Deployment, Web Applications, Javascript and jQuery
Mixed · Course · 1 - 3 Months

Skills you'll gain: Software Design Patterns, Software Design, C++ (Programming Language), Software Architecture, Programming Principles, Object Oriented Programming (OOP), Maintainability, Prototyping, Database Application
Intermediate · Course · 1 - 3 Months