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: Cloud-Native Computing, Cloud Applications, Cloud Development, Google Cloud Platform, Application Design, Data Store, Application Development, Microservices, Software Development, Cloud Storage, Cloud Services, Other Programming Languages, Software Development Tools, Development Environment, Data Storage Technologies, Javascript, Data Storage, Operational Databases, Databases, Scalability
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, UI Components, HTML and CSS, Application Deployment, Cloud Deployment, Web Design, Cascading Style Sheets (CSS), Web Development, Front-End Web Development, Javascript, Cloud Hosting, User Interface (UI), Hypertext Markup Language (HTML), Typography, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Plot (Graphics), Data Visualization Software, Statistical Visualization, Interactive Data Visualization, Visualization (Computer Graphics), Javascript, Data Analysis, Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Restful API, Spring Framework, API Design, Application Programming Interface (API), Data Validation, Model View Controller, Back-End Web Development, Spring Boot, Java Programming, Maintainability, Enterprise Application Management, Software Design Patterns, Configuration Management, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Browser Compatibility, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Responsive Web Design, Design, Hypertext Markup Language (HTML), Typography, Design Elements And Principles, Javascript
Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: Javascript, jQuery, Javascript and jQuery, Event-Driven Programming, Object Oriented Programming (OOP), Scripting, Program Development, Web Applications, Programming Principles, Scripting Languages, Computer Programming, Web Development Tools, Code Reusability, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Scalability, Software Design Patterns, Node.JS, Distributed Computing, Dataflow, Data Pipelines, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Performance Tuning, Live Streaming, Real Time Data, Systems Architecture, File I/O, Javascript, Object Oriented Programming (OOP), Web Development Tools, Code Reusability, Maintainability
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Model Context Protocol, Gemini, Node.JS, Google Gemini, AI Workflows, Generative AI Agents, OpenAI API, Prompt Engineering, Agentic Workflows, Retrieval-Augmented Generation, Embeddings, OpenAI, TypeScript, Back-End Web Development, Server Side, Web Applications, API Design, Web Development, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

NIIT
Skills you'll gain: React.js, Frontend Integration, Front-End Web Development, Systems Development Life Cycle, Application Lifecycle Management, Program Development, Application Development, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, UI Components, User Flows, Code Reusability, Test Case, Unit Testing, Data Validation, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, HTML and CSS, Frontend Performance, Application Deployment, Web Development, Hypertext Markup Language (HTML), Front-End Web Development, Web Development Tools, Full-Stack Web Development, JavaScript Frameworks, UI Components, Performance Tuning, Cascading Style Sheets (CSS), Javascript, Server Side, GitHub, Version Control, Git (Version Control System)
Intermediate · Course · 1 - 3 Months