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: HTML and CSS, Cascading Style Sheets (CSS), Javascript, Responsive Web Design, Web Design and Development, Ajax, Front-End Web Development, Bootstrap (Front-End Framework), Hypertext Markup Language (HTML), Web Design, Web Development, Web Development Tools, Development Environment, JSON, Web Applications, Frontend Performance, Browser Compatibility, Object Oriented Programming (OOP), Event-Driven Programming, User Interface and User Experience (UI/UX) Design
★ 4.7 (17K) · Beginner · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Bioinformatics, Theoretical Computer Science, Computational Thinking, Program Development, Data Storage, Network Analysis, Computer Programming, Analysis, Programming Principles, Solution Design, Software Testing, C and C++, Python Programming, Java, Debugging, Rust (Programming Language), Javascript
★ 4.6 (17K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: HTML and CSS, Web Design and Development, Front-End Web Development, Responsive Web Design, Web Applications, Web Design, Ajax, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development, Web Development Tools, Development Environment, Javascript, Frontend Performance, Web Content Accessibility Guidelines, Server Side, Semantic Web, Software Installation
★ 4.7 (17K) · Mixed · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Model View Controller, Selenium (Software), Web Applications, Java, Java Programming, Data Access, Java Platform Enterprise Edition (J2EE), Agile Methodology, Web Development, Software Testing, Agile Software Development, Server Side, Software Design Patterns
★ 4.7 (197) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, File I/O, Algorithms, Java Programming, Object Oriented Design, Data Structures, Encryption, Computer Programming, Software Engineering, Cryptography, Data Store, File Management, Data Import/Export, Web Applications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, OpenShift, Istio, Kubernetes, Node.JS, Software Architecture, Application Deployment, Restful API, Database Design, CI/CD, Cloud-Native Computing, NoSQL, Git (Version Control System), Cloud Applications, Javascript, Front-End Web Development, Ajax, Azure DevOps, Software Development
★ 4.6 (9.7K) · Beginner · Professional Certificate · 3 - 6 Months

Vanderbilt University
Skills you'll gain: File I/O, Matlab, Programming Principles, Functional Design, Computer Programming, Code Reusability, Program Development, Computational Logic, Computer Science, Data Import/Export, Mathematical Software, C (Programming Language), Debugging, Computer Programming Tools, File Management, Data Structures, Data Persistence, Plot (Graphics), Problem Solving
★ 4.8 (18K) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Computer Programming, Memory Management
★ 4.7 (319) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Open Web Application Security Project (OWASP), OpenShift, Containerization, Istio, Kubernetes, Node.JS, Software Architecture, Application Deployment, Restful API, Database Design, Cloud-Native Computing, NoSQL, Git (Version Control System), Javascript, Ajax, Grafana, Azure DevOps, Software Development
★ 4.6 (9.4K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: React Native, iOS Development, Apple iOS, Software Development Life Cycle, Flutter (Software), Mobile Development, Software Architecture, Android Studio, User Centered Design, Android Development, Swift Programming, Git (Version Control System), GitHub, User Interface (UI) Design, Javascript, Android (Operating System), Front-End Web Development, React Redux, Data Ethics, AI Personalization
★ 4.6 (8.6K) · Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Scripting Languages, Scripting, Java, Java Programming, Server Side, Web Applications, Web Components
★ 4.7 (94) · Intermediate · Course · 1 - 4 Weeks