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.

Heriot-Watt University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Computer Programming, Application Development, Programming Principles, Computational Logic, Software Development, Debugging, Data Structures
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Java Programming, Java, Program Development, File I/O, Computational Thinking, Computer Science, Algorithms, Animations, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Web Development Tools, Javascript, Unit Testing, Web Applications, Programming Principles, Object Oriented Programming (OOP), Event-Driven Programming, Node.JS, JSON, Computer Programming, Data Structures, Debugging, Package and Software Management, Program Development, Front-End Web Development, Functional Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Istio, Software Architecture, Node.JS, React Redux, Application Deployment, Restful API, Kubernetes, Database Design, CI/CD, Cloud-Native Computing, Responsive Web Design, NoSQL, OpenShift, Git (Version Control System), Ajax, Javascript, Azure DevOps, Engineering Software
Beginner · Professional Certificate · 3 - 6 Months

LearnKartS
Skills you'll gain: JUnit, File I/O, Java Programming, Object Oriented Programming (OOP), Java, Unit Testing, Program Development, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Authentications, Application Security, Application Design, Debugging, Mathematical Software
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Docker (Software), Database Development, Cloud Deployment, Application Security, Java, Containerization, SQL, Databases, Database Design, NoSQL, Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, Generative AI Agents, LLM Application, Productivity, OpenAI, AI Orchestration, AI Enablement, OpenAI API, Java, Java Programming, AI Workflows, Agentic systems, Generative AI, Artificial Intelligence, Large Language Modeling, Tool Calling, Creativity, Document Management
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, Ajax, Javascript, Data Manipulation, Data Validation, UI Components, HTML and CSS, Scripting, JSON, Scripting Languages, Event-Driven Programming, Web Development Tools, Web Design and Development, Cascading Style Sheets (CSS), Game Design, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Animations, Programming Principles
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Debugging, Data Structures
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: User Research, Cascading Style Sheets (CSS), User Experience Design, User Experience, Design Research, Linux Commands, Usability, Debugging, User Interface (UI), Software Versioning, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, Javascript, Web Applications, Event-Driven Programming, Unit Testing, Application Programming Interface (API)
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Meta
Skills you'll gain: Mobile Development, React.js, Web Applications, Event-Driven Programming, Application Development, UI Components, Front-End Web Development, Cascading Style Sheets (CSS), Javascript, Hypertext Markup Language (HTML), Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Java, Java Platform Enterprise Edition (J2EE), Object Oriented Design, Hibernate (Java), Unit Testing, File I/O, Docker (Software), Software Design Patterns, Integrated Development Environments, Object-Relational Mapping, Functional Design, Maintainability, System Configuration
Beginner · Specialization · 3 - 6 Months