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: TypeScript, Object Oriented Design, Node.JS, Role-Based Access Control (RBAC), Object Oriented Programming (OOP), Webpack, React Redux, Back-End Web Development, React.js, Full-Stack Web Development, Web Development, MongoDB, Front-End Web Development, Javascript, Application Programming Interface (API), Software Design Patterns, API Design, Programming Principles, Software Development, Debugging
★ 4.7 (6) · Beginner · Specialization · 3 - 6 Months
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Extensible Markup Language (XML), Web Applications, Javascript, Extensible Languages and XML, Event-Driven Programming, Network Protocols
★ 3.9 (11) · Intermediate · Course · 1 - 4 Weeks

★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Javascript and jQuery, Object Oriented Design, Scripting, Program Development, Web Applications, Scripting Languages, Computer Programming, Code Reusability, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Context Management
★ 4.3 (7) · Beginner · Specialization · 3 - 6 Months

Xi'an Jiaotong University
Skills you'll gain: ASP.NET, .NET Framework, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development, Database Application, Application Frameworks, Object Oriented Programming (OOP), Web Applications, Object Oriented Design, Database Development, Javascript, Back-End Web Development, HTML and CSS, Web Design, Scripting Languages, Data Access, Web Servers, Scripting, Event-Driven Programming
★ 4.7 (6) · Mixed · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Code Reusability, React.js, JavaScript Frameworks, Web Applications, UI Components, Application Development, User Interface (UI), Front-End Web Development, Javascript
★ 4 (12) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Layout Design, UI Components, Front-End Web Development, Multimedia, Usability, Web Development, Interactive Design, Javascript, Graphic and Visual Design, Web Design and Development, Typography, Project Design, User Interface (UI), Web Analytics and SEO
★ 4.7 (13) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Data Persistence, Event-Driven Programming, HTML and CSS, Web Applications, Front-End Web Development, Semantic Web, Javascript, Browser Compatibility, Secure Coding, Web Content Accessibility Guidelines, Data Storage Technologies, Application Security, Data Validation, Data Management
★ 3.8 (8) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Transformation, Network Performance Management, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Web Design, Event-Driven Programming, Web Design and Development, Development Environment, Web Development, Integrated Development Environments, Scripting, Web Applications, Hypertext Markup Language (HTML), Programming Principles, Graphic and Visual Design, Front-End Web Development, Interactive Design, Animations, Typography, Color Theory
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, API Design, Server Side, Application Programming Interface (API), Back-End Web Development, Microsoft Visual Studio, Web Applications, Javascript, Application Development, Integrated Development Environments
★ 4.7 (6) · Intermediate · Guided Project · Less Than 2 Hours