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: Git (Version Control System), Selenium (Software), Version Control, GitHub, Jenkins, Continuous Integration, CI/CD, Test Automation, Test Script Development, Web Development Tools, Browser Compatibility, Test Execution Engine, Test Data, Java, File I/O, Data Access
Intermediate · Course · 1 - 3 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, Object Oriented Programming (OOP), Web Applications, Database Development, Javascript, Back-End Web Development, Web Design and Development, HTML and CSS, Web Design, Scripting Languages, Data Access, Event-Driven Programming
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java, Web Applications
Beginner · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Version Control, GitLab, Continuous Integration, Software Versioning, CI/CD, Git (Version Control System), Collaborative Software, Javascript
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: React Redux, React.js, Javascript, Web Development Tools, Middleware, Web Development
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Blockchain, Front-End Web Development, Application Development, Web Development, Transaction Processing, Development Testing, Frontend Integration, Cryptography, FinTech, Emerging Technologies, Software Design, HTML and CSS, Software Architecture, Test Script Development, User Interface (UI) Design, Experience Design, Javascript, Application Deployment, Payment Systems, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), Front-End Web Development, Unit Testing, UI Components, Web Development Tools, Code Reusability, Test Script Development, Event-Driven Programming, Javascript, Application Programming Interface (API), Development Testing, Data Sharing
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Program Development, Programming Principles, Debugging, Problem Solving, C++ (Programming Language), Python Programming, Computational Logic
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Jenkins, Artifactory, Apache Maven, CI/CD, DevOps, Devops Tools, Build Tools, Java, GitHub, Git (Version Control System), Software Installation, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks