Java courses can help you learn object-oriented programming, data structures, exception handling, and multithreading concepts. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Application Deployment, Application Servers, Enterprise Application Management, DevOps, System Configuration, Java Platform Enterprise Edition (J2EE), Server Administration, Java, Data Access, Security Management, Servers, Middleware, Development Environment, Application Development, Build Tools
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Authentications, MongoDB, Postman API Platform, Restful API, Server Side, Middleware, JSON, Application Programming Interface (API), Web Development Tools, Web Applications, Javascript, Back-End Web Development, API Testing, NoSQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure DevOps Pipelines, Kubernetes, Azure DevOps, Node.JS, CI/CD, DevOps, Microsoft Azure, Devops Tools, Test Planning, Continuous Integration, Continuous Delivery, Application Lifecycle Management, Microservices, Containerization, Software Testing, Debugging, Cloud Deployment, Scripting, Version Control, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Java Programming, Java, Application Frameworks, Java Platform Enterprise Edition (J2EE), Maintainability, Scalability, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Debugging, Javascript, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Javascript, Web Language, Data Persistence, Scripting Languages, Data Storage, Web Development, Programming Principles, Data Structures, Computational Logic, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Version Control, GitLab, Continuous Integration, Software Versioning, CI/CD, Git (Version Control System), Collaborative Software, Javascript
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: React Redux, React.js, Javascript, Web Development Tools, Middleware, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Cloud Deployment, YAML, Restful API, Software Configuration Management, Load Balancing, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Front-End Web Development, Application Development, Web Development, Transaction Processing, Development Testing, Frontend Integration, Cryptography, FinTech, Emerging Technologies, Software Design, HTML and CSS, Software Architecture, Test Script Development, User Interface (UI) Design, Experience Design, Javascript, Application Deployment, Payment Systems, Data Management
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Functional Testing, Event-Driven Programming, Software Design Patterns, Object Oriented Programming (OOP), Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
Beginner · Specialization · 3 - 6 Months