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.

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, UI Components, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Ajax, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Restful API, Web Applications, Web Development, Javascript, Application Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, Ajax, Web Services, HTML and CSS, Javascript, Web Design and Development, Wireframing, Web Development, Real Time Data, Web Development Tools, Web Servers, Game Design, Hypertext Markup Language (HTML), Software Development
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Email Automation, Scripting, Google Workspace, Web Development Tools, Javascript, Google Cloud Platform, Spreadsheet Software, Programming Principles, Web Development
Beginner · Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Performance Tuning, Functional Design, Performance Testing, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Javascript, Ajax, Web Development Tools, Unit Testing, Development Testing, Event-Driven Programming, Hypertext Markup Language (HTML), Data Validation, Data Structures, Performance Tuning, Network Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: Angular, JavaScript Frameworks, Model View Controller, Javascript, Web Development Tools, Web Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Responsive Web Design, Git (Version Control System), Web Development, Cascading Style Sheets (CSS), React.js, Version Control, Web Development Tools, Full-Stack Web Development, GitHub, HTML and CSS, Application Design, Software Design Documents, Game Design, Debugging, Software Testing, Unit Testing, Software Documentation, Software Development, Development Environment, Javascript
Beginner · Professional Certificate · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Full-Stack Web Development, Web Applications, JavaScript Frameworks, React.js, LLM Application, Web Development, Javascript, Tool Calling, Generative AI Agents, Real Time Data
Beginner · Project · Less Than 2 Hours

Infosec
Skills you'll gain: Application Security, Open Web Application Security Project (OWASP), Secure Coding, Package and Software Management, Node.JS, Vulnerability Management, Javascript, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Applications, Javascript, Web Design, Web Development, Front-End Web Development, Animation and Game Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: React.js, JavaScript Frameworks, Front-End Web Development, Javascript, UI Components, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours