
LearnQuest
Skills you'll gain: Scripting Languages, Scripting, Java, Java Programming, Server Side, Web Applications, Web Components
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Database Theory, Database Development, Query Languages, Development Testing, Hibernate (Java), Performance Tuning, Software Testing, Object-Relational Mapping, Frontend Integration
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, PySpark, Apache Hadoop, Data Transformation, MySQL, Data Manipulation, Data Store, Data Import/Export, Development Environment, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Go (Programming Language), Web Servers, JSON, Restful API, User Interface (UI), Web Applications, Server Side, Web Development, Application Programming Interface (API), Debugging, Front-End Web Development, Web Design and Development, Scalability, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Build Tools, Continuous Integration, Integrated Development Environments, Configuration Management, Java Programming, Development Environment, Software Installation, Dependency Analysis, Automation, Java, Product Lifecycle Management, Maintainability, Extensible Markup Language (XML)
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Spring Framework, Spring Boot, Application Development, Redis, Java Programming, Frontend Integration, Object-Relational Mapping, Web Development, Database Development, Integrated Development Environments, Authentications, Application Security, Build Tools, Performance Tuning, Unit Testing, Authorization (Computing), Command-Line Interface, Data Access, Event Monitoring, Software Configuration Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Scanning, Proxy Servers, Security Testing, Penetration Testing, Vulnerability Assessments, Brute-force attacks, Test Tools, Web Scraping
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Information Architecture, Solution Design, Content Management, Data Import/Export, Software Architecture, System Configuration
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Web Applications, Responsive Web Design, Scripting, Scripting Languages, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Hibernate (Java), Application Frameworks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Postman API Platform, Authentications, Spring Framework, API Testing, Authorization (Computing), Restful API, Identity and Access Management, Secure Coding, Java Programming, Spring Boot, User Accounts, Application Programming Interface (API), API Design, Web Applications
Intermediate · Course · 1 - 4 Weeks