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.

The Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Full-Stack Web Development, Web Applications, Web Servers, Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JavaScript Frameworks, Vue.JS, Front-End Web Development, Responsive Web Design, Web Design and Development, React.js, Application Programming Interface (API), HTML and CSS, Angular, Restful API, Web Development, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Django (Web Framework), Model View Controller, Authentications, Chart.js, Data Import/Export, Full-Stack Web Development, Web Development, Data Modeling, Cascading Style Sheets (CSS), Responsive Web Design, Javascript, User Interface (UI), Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Webpack, Object Oriented Programming (OOP), Full-Stack Web Development, JSON, Web Development Tools, Javascript, Event-Driven Programming, HTML and CSS, Application Programming Interface (API), Application Deployment, Web Design and Development, Application Development, Web Development, Web Applications, Scripting, GitHub, Browser Compatibility, Build Tools, Programming Principles, User Interface (UI)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Color Theory, Javascript, Front-End Web Development, User Interface (UI) Design, Web Development, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Jest (JavaScript Testing Framework), Application Deployment, Web Development Tools, Unit Testing, JavaScript Frameworks, Data Structures, Back-End Web Development, Restful API, Application Programming Interface (API), Development Environment, Javascript, Browser Compatibility, Front-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Javascript, Event-Driven Programming, HTML and CSS, Web Design and Development, Application Deployment, Web Development, Scripting, Programming Principles, GitHub, User Interface (UI), Application Development, Object Oriented Programming (OOP), Data Structures, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, Web Development, Javascript, JSON, Application Security, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Search Engine Optimization, Web Content Accessibility Guidelines, HTML and CSS, Web Design and Development, Web Analytics and SEO, Web Development, Javascript, Browser Compatibility
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Design and Development, Web Development, Web Design, Web Content Accessibility Guidelines, Computer Graphics, Front-End Web Development, Semantic Web, Usability, Javascript, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: TypeScript, UI Components, Javascript, Maintainability, Web Applications, Front-End Web Development, Web Design and Development, Cascading Style Sheets (CSS), Object Oriented Programming (OOP), Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Maintainability, Javascript, Computational Thinking, Data Structures, Debugging, Data Integrity, Performance Tuning, Software Technical Review, Web Development, Algorithms
Intermediate · Course · 1 - 4 Weeks