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: Data Structures, Algorithms, Programming Principles, Computer Programming, Theoretical Computer Science, Computational Thinking, Javascript, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Django (Web Framework), Blogs, User Accounts, Data Sharing, Web Applications, Authentications, Full-Stack Web Development, OAuth, Javascript, Social Media, Redis, Secure Coding, Ajax, Object-Relational Mapping, Restful API, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TypeScript, React.js, Interviewing Skills, Development Environment, Javascript, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computational Thinking, Algorithms, Programming Principles, Data Structures, Problem Solving, Javascript, Solution Design, Performance Tuning
Intermediate · Course · 1 - 3 Months

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

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

Skills you'll gain: Node.JS, Postman API Platform, MongoDB, API Testing, JavaScript Frameworks, Server Side, Back-End Web Development, Data Validation, Application Programming Interface (API), Web Development, Web Applications, Databases, Javascript, Application Development, Restful API, Email Automation, Middleware, Cloud Applications, Development Environment, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Event-Driven Programming, Software Design Patterns, JavaScript Frameworks, Web Frameworks, Frontend Integration, Web Applications, Software Architecture, Dataflow, Programming Principles, Javascript, Data Pipelines, Data Mapping, Memory Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Functional Design, Javascript, Programming Principles, Maintainability, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, UI Components, JavaScript Frameworks, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Javascript, Application Programming Interface (API), Code Reusability, Data Sharing
Beginner · 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

Skills you'll gain: React.js, React Redux, Frontend Performance, Full-Stack Web Development, Unit Testing, Front-End Web Development, Event-Driven Programming, Performance Tuning, Frontend Integration, Context Management, Javascript, Code Reusability, JavaScript Frameworks, Software Testing, Server Side, Web Applications, UI Components, Software Design Patterns, Cascading Style Sheets (CSS), Data Persistence
Intermediate · Specialization · 3 - 6 Months