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.

Coursera
Skills you'll gain: React.js, Debugging, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript, Cascading Style Sheets (CSS)
★ 4.4 (417) · Intermediate · Guided Project · Less Than 2 Hours

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Web Design and Development, Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Development, Web Applications, Cloud Deployment, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Restful API, Virtual Environment, Javascript
★ 4.6 (236) · Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Ajax, jQuery, Javascript and jQuery, JSON, Django (Web Framework), Web Applications, Javascript, Debugging, Data Modeling, Event-Driven Programming, Data Access, Object Oriented Programming (OOP), Python Programming
★ 4.8 (294) · Intermediate · Course · 1 - 3 Months

Universidade Estadual de Campinas
Skills you'll gain: Android Studio, Android Development, Mobile Development, Event-Driven Programming, User Interface (UI), Application Development, Java, Development Environment, User Interface and User Experience (UI/UX) Design, Extensible Markup Language (XML), Object Oriented Programming (OOP)
★ 4.4 (65) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Object Oriented Design, Version Control, User Interface (UI) Design, Web Design, Web Design and Development, Web Content Accessibility Guidelines, Design Software, Adobe XD, Responsive Web Design, .NET Framework, Microsoft Visual Studio, User Experience, Authorization (Computing), AI Integrations, Application Security, Computational Thinking, Web Components, Pseudocode, Microsoft Development Tools, Javascript
★ 4.6 (249) · Beginner · Professional Certificate · 3 - 6 Months

Board Infinity
Skills you'll gain: Data Preprocessing, Model Deployment, Apache Mahout, Java, Java Programming, Apache Spark, Classification Algorithms, Machine Learning Software, Machine Learning Methods, Model Training, Applied Machine Learning, Deep Learning, Data Processing, Model Evaluation, Natural Language Processing, Data Cleansing, Machine Learning, Feature Engineering, Data Transformation, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Routing Protocols, UI Components, Code Reusability, JavaScript Frameworks, Front-End Web Development, Frontend Performance, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Event-Driven Programming, User Experience Design, User Interface (UI), Frontend Integration, Debugging, Web Development Tools, Restful API, Web Frameworks, Data Management, Javascript, Application Programming Interface (API)
★ 4.7 (263) · Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Android Development, Android Studio, Software Testing, Mobile Development, Java, Development Testing, Unit Testing, Application Development, Integration Testing, User Interface (UI), Data Persistence
★ 4.4 (69) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Full-Stack Web Development, Application Design, Node.JS, Django (Web Framework), Back-End Web Development, Web Applications, Web Design and Development, Front-End Web Development, Restful API, Application Development, GitHub, Microservices, Web Development, User Accounts, Kubernetes, Frontend Integration, Javascript
★ 4.6 (203) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Javascript, Web Presence, Front-End Web Development, Web Content, Responsive Web Design, Web Design
★ 4.3 (139) · Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Android Development, Application Development, Android (Operating System), Video Game Development, Android Studio, Mobile Development, Software Development Tools, Game Design, Computer Programming Tools, Development Environment, Internet Of Things, Embedded Software, Web Servers, Web Applications, Java, Ubuntu, Peripheral Devices, Operating Systems, Software Installation, Hardware Troubleshooting
★ 4.2 (160) · Mixed · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, API Testing, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Application Programming Interface (API), Systems Architecture, Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications, Application Frameworks
★ 4.3 (66) · Intermediate · Specialization · 1 - 3 Months