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: Version Control, GitLab, Continuous Integration, Software Versioning, CI/CD, Git (Version Control System), Software Development Tools, Javascript
★ 4.2 (19) · Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Web Components, Cryptography, Data Validation, Unit Testing, Vue.JS, Development Testing, Data Security, Authentications, Encryption, Authorization (Computing), HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Javascript, Security Strategy, Computer Programming
★ 4.3 (102) · Beginner · Specialization · 1 - 3 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Web Content, Usability Testing, Interactive Design, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Cascading Style Sheets (CSS), Web Design and Development, Front-End Web Development, Responsive Web Design, jQuery, React.js, Javascript, Web Applications, JavaScript Frameworks, Frontend Integration, Application Frameworks, Web Development, UI Components, digital literacy, Web Content Accessibility Guidelines, User Interface (UI), Event-Driven Programming, Maintainability, Software Design Patterns
★ 4.3 (48) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Node.JS, Full-Stack Web Development, Server Side, Back-End Web Development, Restful API, Web Applications, Cloud Applications, Web Development, Web Services, Application Programming Interface (API), Javascript, Authentications, Computer Science
★ 4.5 (611) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, JavaScript Frameworks, Javascript and jQuery, Javascript, Software Design Patterns, Code Reusability, Web Development, Application Development, Mobile Development
★ 4.4 (8) · Advanced · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Javascript, Web Development, Web Development Tools, Scripting, Hypertext Markup Language (HTML), Programming Principles
★ 4.5 (110) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Angular, JavaScript Frameworks, Model View Controller, Javascript, Web Development, Software Development
★ 4.5 (11) · Intermediate · Guided Project · Less Than 2 Hours
Universidad de los Andes
Skills you'll gain: Supervised Learning, User Story, Unsupervised Learning, LLM Application, User Research, Cloud-Native Computing, Process Analysis, Continuous Deployment, Software Testing, Organizational Strategy, Data Storytelling, Classification Algorithms, Deep Learning, Game Design, Technology Strategies, Infrastructure As A Service (IaaS), API Design, Dashboard, Agile Software Development, Internet Of Things
Degree · 1 - 4 Years

Skills you'll gain: React.js, Context Management, Event-Driven Programming, Web Applications, JavaScript Frameworks, UI Components, Javascript
★ 4.3 (7) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, jQuery, PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, WordPress, Keyword Research, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Web Design and Development, Linux Commands, DevOps, Javascript, Application Deployment, Content Optimization, Program Development
Intermediate · Specialization · 3 - 6 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