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.

Pragmatic AI Labs
Skills you'll gain: Serverless Computing, Web Development Tools, Rust (Programming Language), Containerization, Other Programming Languages, Web Applications, Browser Compatibility, Server Side, Servers, Build Tools, Data Processing, Javascript, Cross Platform Development, Computer Graphics, Hypertext Markup Language (HTML), Debugging, Memory Management
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: TypeScript, Object Oriented Design, Application Programming Interface (API), Enterprise Application Management, Software Design, Code Reusability, Object Oriented Programming (OOP), Programming Principles, Software Design Patterns, Javascript, Build Tools, Application Development, Web Development Tools, Full-Stack Web Development, Web Development, Software Engineering, Software Development, Front-End Web Development, Software Architecture, Debugging
Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Node.JS, Server Side, Web Servers, Back-End Web Development, Package and Software Management, Web Applications, Code Reusability, Javascript, JSON, Web Development, Event-Driven Programming, Development Environment, Application Programming Interface (API), File Systems, Maintainability, Operating Systems, API Testing, Network Routing, File I/O, Object Oriented Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Angular, TypeScript, JavaScript Frameworks, UI Components, Frontend Performance, React Native, Web Applications, Front-End Web Development, React.js, Javascript, Web Development, Performance Tuning, Frontend Integration, Application Programming Interface (API), Restful API, User Interface (UI), Unit Testing
Intermediate · Course · 3 - 6 Months
Madecraft
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Javascript, Semantic Web, Web Content Accessibility Guidelines, Browser Compatibility, Development Environment, Web Content, GitHub, Web Analytics and SEO, Software Installation, Application Deployment
Beginner · Course · 1 - 3 Months

Skills you'll gain: TypeScript, Object Oriented Design, Object Oriented Programming (OOP), Enterprise Application Management, Software Design Patterns, Software Design, Code Reusability, Maintainability, Secure Coding, Application Development, Programming Principles, Software Engineering, Javascript, Full-Stack Web Development, Web Development, Software Development, Computer Programming, Scalability
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: GitHub Copilot, Vibe coding, Claude Code, Software Development Tools, AI Workflows, Prompt Engineering, Code Review, Software Development, Generative AI Agents, Web Development Tools, Software Engineering, Web Development, Design Software, Generative AI, Front-End Web Development, Artificial Intelligence, Javascript, AI Personalization, React.js, Application Deployment
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: TypeScript, Application Programming Interface (API), Web Applications, API Design, Javascript, Node.JS, Code Reusability, Software Architecture, Software Design Patterns, Web Development, Object Oriented Programming (OOP), Back-End Web Development, Front-End Web Development, Software Development, Software Engineering
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Web Development Tools, Frontend Performance, Performance Tuning, Javascript, Node.JS, Web Development, Scripting Languages, Web Applications, Computer Programming, Development Environment, Front-End Web Development, Web Design and Development, Programming Principles, Event-Driven Programming, Program Development, Frontend Integration, Data Structures, Functional Design
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Java, Test Case, Maintainability, Software Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Webhook Security, AI Integrations, Generative AI Agents, Application Programming Interface (API), AI Workflows, Agentic Workflows, API Design, Restful API, AI Orchestration, OpenAI API, Web Scraping, Prompt Engineering, Scripting Languages, No-Code Development, Google Gemini, Javascript, Automation, Authentications, Large Language Modeling, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Django (Web Framework), Restful API, AI Personalization, Payment Processing, Product Assortment, Credit/Debit Card Processing, Merchant Services, Content Management Systems, Blogs, API Design, Application Deployment, Order Management, Merchandise Maintenance, User Accounts, Data Sharing, Web Applications, Web Frameworks, Python Programming, Ajax, Javascript
Beginner · Specialization · 3 - 6 Months