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.

Duke University
Skills you'll gain: Debugging, Bioinformatics, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), Data Analysis, Web Scraping, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: File I/O, Git (Version Control System), Software Development Methodologies, JUnit, Requirements Analysis, Version Control, Systems Development Life Cycle, Application Development, Software Development Life Cycle, Full-Stack Web Development, Test Driven Development (TDD), SQL, Software Development, Restful API, Database Management, Object Oriented Programming (OOP), Digital Transformation, GitHub Copilot, Java Programming, Generative AI
Beginner · Professional Certificate · 3 - 6 Months

Edureka
Skills you'll gain: JUnit, Apache Maven, Restful API, Java Programming, Java, Application Deployment, Microservices, Docker (Software), Object Oriented Programming (OOP), Spring Boot, Spring Framework, Containerization, CI/CD, Unit Testing, API Design, Application Programming Interface (API), Hibernate (Java), Computer Programming, Object Oriented Design, Programming Principles
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Systems Development Life Cycle, Cloud Deployment, Software Development Life Cycle, CI/CD, Server Side, Cloud-Native Computing, Istio, Software Architecture, React Redux, Cloud Computing Architecture, Restful API, Responsive Web Design, Node.JS, Django (Web Framework), Git (Version Control System), HTML and CSS, Cloud Computing, Data Ethics, Python Programming, Software Development
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Microservices, Google Cloud Platform, Cloud Applications, Spring Framework, Cloud Development, Spring Boot, Database Management, Cloud Deployment, Cloud-Native Computing, Databases, Database Development, Database Systems, Software Architecture, Application Frameworks, Application Performance Management, Service Oriented Architecture, Application Deployment, Configuration Management
Intermediate · Course · 1 - 4 Weeks

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

Princeton University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Java, Performance Testing, Java Programming, Computational Thinking, Memory Management, Spatial Data Analysis
Intermediate · Course · 3 - 6 Months

University of California San Diego
Skills you'll gain: Event-Driven Programming, Interactive Data Visualization, Java, Java Programming, Object Oriented Programming (OOP), User Interface (UI), Object Oriented Design, Computer Programming, User Interface (UI) Design, Algorithms, Software Engineering, Geospatial Mapping, Programming Principles, Software Documentation
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Build Tools, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Cloud Development, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

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

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