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.

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Java, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Data Mapping, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Development, Microsoft Azure, Virtual Machines, Cloud Management, Infrastructure As A Service (IaaS), Virtualization, Application Deployment, Linux Administration, Linux, Web Applications, Node.JS, Javascript, MongoDB
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Responsive Web Design, Real Time Data, User Interface (UI) Design, Secure Coding, Javascript, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Test Automation, Test Script Development, Software Testing, Scripting, Automation, Software Engineering Tools, Browser Compatibility, Test Case, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Application Deployment, Cascading Style Sheets (CSS), Web Design and Development, Development Environment, Webpack, Animations, Javascript, UI Components, Typography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Automation, Web Development Tools, Test Case, Cascading Style Sheets (CSS), Debugging, Mac OS
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JavaScript Frameworks, Event-Driven Programming, Javascript, Frontend Performance, Web Components, Object Oriented Programming (OOP), Web Development, Web Design and Development, Scripting, UI Components, Development Environment, Data Validation, Real Time Data, Browser Compatibility, Programming Principles, Data Storage, HTML and CSS, Maintainability, Debugging
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: HTML and CSS, jQuery, Web Design and Development, Javascript, Web Development, Animations, Front-End Web Development, Web Applications, Event-Driven Programming, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Cloud Hosting, Web Development, Cloud Deployment, Responsive Web Design, Web Design, Web Content, Application Deployment, Typography, Javascript
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Data Visualization, Data Presentation, Web Applications, Full-Stack Web Development, Data Store, Database Development, Query Languages, Data Persistence, Real Time Data, Javascript, User Interface (UI), Software Engineering, Authentications
Beginner · Course · 1 - 4 Weeks