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: 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

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), User Experience Design, UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Web Design, React.js, Responsive Web Design, User Centered Design, User Experience, Design Elements And Principles, Javascript
★ 1.7 (6) · Intermediate · Course · 1 - 4 Weeks

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 · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Data Validation
Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Computational Thinking, Code Review, Event-Driven Programming, Animation and Game Design, Visualization (Computer Graphics), Graphics Software, Computer Graphics, Animations, Programming Principles, Javascript, Interactive Design, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Dashboard Creation, Dataflow, Data Pipelines, Dashboard, Google Cloud Platform, Data Integration, Cloud-Based Integration, Event-Driven Programming, Capacity Management, Data Processing, Data Presentation, Data Transformation, Scalability
★ 4.1 (15) · Intermediate · Course · 1 - 3 Months

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, Software Installation, Web Analytics and SEO
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Java Programming, Unit Testing, Java, Test Script Development, Software Testing, Quality Assurance, Software Quality Assurance, Test Case, Software Development, Application Development, Data Validation, System Design and Implementation, User Interface (UI), Data Modeling
Mixed · Course · 1 - 4 Weeks

★ 4.7 (16) · Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: UI Components, React.js, Javascript, JavaScript Frameworks
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Vibe coding, Generative AI Agents, AI Workflows, Code Review, AI Personalization, Google Workspace, Software Development Tools, Software Development, Responsible AI, Application Deployment, Generative AI, Software Engineering, Artificial Intelligence, Design Software, Front-End Web Development, React.js, Web Development, Javascript
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Servers, Network Protocols
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks