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: Vue.JS, JavaScript Frameworks, Hypertext Markup Language (HTML), Web Development Tools, Web Applications, Front-End Web Development, HTML and CSS, Javascript, Microsoft Visual Studio, Data Storage
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Test Script Development, Unit Testing, Test Case, Development Testing, Test Tools, React.js, API Testing, Software Testing, Web Development Tools, Javascript
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, UI Components, Web Language, Front-End Web Development, Mobile Development, Javascript, Animations, User Interface (UI), Web Development Tools, Web Content Accessibility Guidelines, Typography, Semantic Web, GitHub, Version Control, Application Deployment, Development Environment
Beginner Ā· Specialization Ā· 3 - 6 Months

Skills you'll gain: Authentications, OAuth, API Testing, Restful API, Application Programming Interface (API), JSON, Test Automation, Data Validation, Extensible Markup Language (XML), Test Script Development, Mockups, Test Tools, Extensible Languages and XML, Verification And Validation, Debugging
Intermediate Ā· Course Ā· 1 - 3 Months
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
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Application Deployment, Node.JS, Docker (Software), React.js, Front-End Web Development, Containerization, Full-Stack Web Development, Back-End Web Development, Frontend Integration, Server Side, Web Design and Development, JavaScript Frameworks, Web Development, Web Applications, Application Development, Javascript, Application Programming Interface (API), Software Development, Authentications, Project Management Software
Beginner Ā· Course Ā· 1 - 3 Months

Coursera
Skills you'll gain: Data Visualization, Interactive Data Visualization, Visualization (Computer Graphics), JSON, Plot (Graphics), Data Mapping, Javascript
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

EDUCBA
Skills you'll gain: Integrated Development Environments, Web Applications, HTML and CSS, Python Programming, Javascript, Design
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Javascript, Web Development
Intermediate Ā· Course Ā· 1 - 4 Weeks

LearnKartS
Skills you'll gain: Git (Version Control System), Integrated Development Environments, Version Control, IntelliJ IDEA, Software Development Tools, Eclipse (Software), Microsoft Visual Studio, Development Environment, Software Versioning, Software Development, Release Management, Collaborative Software, Software Development Methodologies, Change Control
Intermediate Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Software Design Patterns, Data Management, Data Structures, Web Development, Performance Tuning
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Application Programming Interface (API), Gradle, Build Tools, Software Development Tools, Integration Testing, Application Frameworks, Authentications
Intermediate Ā· Course Ā· 1 - 3 Months