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.

University of California San Diego
Skills you'll gain: Unit Testing, Growth Mindedness, Data Structures, Graph Theory, Event-Driven Programming, Social Network Analysis, Interactive Data Visualization, Java, Java Programming, Network Analysis, Object Oriented Programming (OOP), Technical Communication, User Interface (UI), Peer Review, Object Oriented Design, Software Testing, Computer Programming, Program Development, Algorithms, Problem Solving
★ 4.7 (7.2K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, CI/CD, Server Side, Istio, Cloud-Native Computing, Software Architecture, Cloud Computing Architecture, Application Deployment, Restful API, Responsive Web Design, Node.JS, Django (Web Framework), Git (Version Control System), HTML and CSS, Front-End Web Development, Cloud Computing, Data Ethics, Python Programming, Software Development
★ 4.6 (60K) · Beginner · Professional Certificate · 3 - 6 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
★ 4.3 (589) · Beginner · Professional Certificate · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Object Oriented Design, Java, Object Oriented Programming (OOP), Unit Testing, Java Programming, Application Development, Data Structures, Application Design, Software Testing, Program Development, Programming Principles, Systems Development, Test Driven Development (TDD), Computer Programming, Other Programming Languages
★ 4.5 (332) · Beginner · 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), Event-Driven Programming, Node.JS, JSON, Computer Programming, Data Structures, Package and Software Management, Front-End Web Development, Functional Design
★ 4.7 (4.9K) · 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
★ 4.7 (1.4K) · Beginner · Course · 1 - 3 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
★ 4.3 (1.4K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Game Theory, Java, Java Programming, Programming Principles, Performance Tuning, Computational Thinking, Theoretical Computer Science, Computer Programming, Problem Solving, Solution Design, Applied Mathematics, Geometry
Intermediate · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Java, Performance Testing, Java Programming, Computational Thinking, Memory Management, Spatial Data Analysis
★ 4.9 (12K) · 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
★ 4.7 (5.8K) · 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
★ 4.5 (52) · Advanced · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Object Oriented Design, Java Programming, Java, Object Oriented Programming (OOP), Data Persistence, Software Design Patterns, Maintainability, Memory Management, Programming Principles, OS Process Management, Code Reusability, Functional Design, Computer Programming, Oracle Databases, File Systems, Computational Logic, API Design, Data Structures, Software Design, Data Management
Intermediate · Specialization · 3 - 6 Months