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: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, Cascading Style Sheets (CSS), Application Programming Interface (API), Web Applications, Responsive Web Design, Javascript, Video Game Development, Interactive Design, Hypertext Markup Language (HTML), Program Development, HTML and CSS, Interaction Design, UI Components, Data Validation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Rust (Programming Language), Command-Line Interface, Other Programming Languages, Package and Software Management, Memory Management, Go (Programming Language), Programming Principles, Program Development, C (Programming Language), Secure Coding, Software Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Frontend Integration, User Interface (UI) Design, Swift Programming, Object-Relational Mapping, Web Development Tools, JavaScript Frameworks, Data Store, iOS Development, UI Components, Mobile Development, Server Side, Operational Databases, Application Programming Interface (API), Database Software, MongoDB, Javascript
Beginner · Course · 1 - 3 Months

Skills you'll gain: SonarQube, Continuous Integration, Code Coverage, Code Review, Vulnerability, Security Testing, CI/CD, Secure Coding, Application Security, Vulnerability Scanning, Continuous Delivery, DevSecOps, Software Quality Assurance, Maintainability, Vulnerability Management, Software Technical Review, Security Management, Data Integration, Quality Improvement, Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Database Development, Data Management, Database Management, Database Design, SQL, Database Software, Databases, Database Administration, Database Application, Query Languages, Database Architecture and Administration, Data Entry, Data Integrity, Data Manipulation
Intermediate · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, HTML and CSS, Web Content Accessibility Guidelines, User Interface (UI), Hypertext Markup Language (HTML), Front-End Web Development, User Interface and User Experience (UI/UX) Design, Javascript, Web Development, User Interface (UI) Design, Usability, Web Applications, JavaScript Frameworks, Semantic Web, Event-Driven Programming, Data Validation, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: jQuery, Javascript and jQuery, Event-Driven Programming, Cascading Style Sheets (CSS), Web Development Tools, JavaScript Frameworks, Hypertext Markup Language (HTML), HTML and CSS, Javascript, Data Validation, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Scripting, Email Automation, Google Workspace, Google Sheets, Automation, Spreadsheet Software, Scripting Languages, Gmail, Javascript, Hypertext Markup Language (HTML), Web Applications, Application Design, Application Development, Application Programming Interface (API), User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Bootstrap (Front-End Framework), JavaScript Frameworks, UI Components, ASP.NET, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Application Programming Interface (API), User Interface (UI), Javascript, Web Development Tools, Code Reusability, Event-Driven Programming, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Persistence, Object Oriented Programming (OOP), Object Oriented Design, Javascript, Web Applications, Application Programming Interface (API), User Interface (UI), Interactive Design, Front-End Web Development, Event-Driven Programming, Animations
Beginner · Course · 1 - 3 Months
University of Glasgow
Skills you'll gain: Plot (Graphics), Data Presentation, Data Literacy, Applied Machine Learning, Code Reusability, Analytical Skills, Data Preprocessing, Software Design Patterns, Data Import/Export, Javascript, Computer Programming, Software Development
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Model Context Protocol, Gemini, Node.JS, Google Gemini, AI Workflows, Generative AI Agents, OpenAI API, Prompt Engineering, Agentic Workflows, Retrieval-Augmented Generation, Embeddings, OpenAI, TypeScript, Back-End Web Development, LLM Application, Web Applications, API Design, Web Development, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks