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.

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Application Frameworks, Front-End Web Development, Web Development, Javascript, Code Reusability, Software Architecture, UI Components
Intermediate · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Amazon Web Services, Cloud Deployment, Hypertext Markup Language (HTML), Cloud Computing, Cloud Computing Architecture, Cloud Services, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Cloud Infrastructure, Infrastructure as Code (IaC), Web Design and Development, Amazon S3, HTML and CSS, AWS CloudFormation, Web Applications, Web Development, Cascading Style Sheets (CSS), AWS SageMaker, GitHub, Java Programming
Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, Unit Testing, Code Reusability, JavaScript Frameworks, UI Components, Frontend Integration, Front-End Web Development, Web Applications, Software Design Patterns, Javascript, Data Access, Data Sharing, Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Computer Programming, Programming Principles, Software Design, Computational Logic, Data Structures
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Frontend Integration, CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Cloud-Native Computing, Scalability, Software Documentation, Application Deployment, Java, API Design, Java Programming, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), React.js
Intermediate · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Java Programming, Java, Computer Programming, Object Oriented Programming (OOP), Test Case, Digital pedagogy, Education Software and Technology, Algorithms, Data Structures
Beginner · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Software Architecture, Unified Modeling Language, Systems Architecture, Software Design, Software Design Documents, Software Visualization, Product Family Engineering, Software Development, Software Documentation, Diagram Design, Software Technical Review, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, File I/O, Programming Principles, Computer Programming, Code Reusability, Data Structures, Software Engineering, Program Development, Data Access, Data Persistence, Unit Testing, Debugging, OS Process Management, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 3 Months

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

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 Native, Mobile Development, User Interface (UI) Design, Front-End Web Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, UI Components, JavaScript Frameworks, User Story, Android Development, Mobile Development Tools, Database Application
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Development, Javascript, Bootstrap (Front-End Framework), Scripting, Browser Compatibility, Back-End Web Development
Beginner · Course · 1 - 4 Weeks