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: Responsive Web Design, HTML and CSS, Web Design and Development, UI Components, Prompt Engineering, Web Development Tools, Web Development, Generative AI, Javascript, Software Engineering, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, Pseudocode, Computational Thinking, JSON, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Data Structures, Node.JS, Unit Testing, Web Development Tools, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Unit Testing, Server Side, Javascript, Debugging, Back-End Web Development, File Systems, Development Testing, Web Applications
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Test Case, Eclipse (Software), Test Data, Test Automation, Test Execution Engine, Integrated Development Environments, Java
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Back-End Web Development, Javascript, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Web Design, Web Applications, Middleware, Bootstrap (Front-End Framework), jQuery, Databases, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Email Automation, Google Workspace, Google Sheets, Stakeholder Communications, Test Tools, Scripting, Timelines, Project Schedules, Project Management, Web Applications, Javascript, Data Validation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, Web Applications, Front-End Web Development, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Node.JS, MongoDB, Angular, Full-Stack Web Development, JavaScript Frameworks, Restful API, Web Applications, Web Development, NoSQL, Front-End Web Development, Application Security, Web Development Tools, Application Programming Interface (API), API Design, Javascript, Database Management, Back-End Web Development, Servers, Middleware
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Microservices, Spring Boot, Software Architecture, API Gateway, Spring Framework, Service Oriented Architecture, Cloud Computing Architecture, Load Balancing, Systems Architecture, Web Services, Cloud Services, Software Design Patterns, Scalability, Restful API, Service Management
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: User Experience Design, Wireframing, Application Design, Technical Communication, Prototyping, Web Development, User Research, Usability Testing, Responsive Web Design, Version Control, Brainstorming, Project Planning, Application Programming Interface (API), Javascript, MongoDB
Mixed · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, Database Design, Database Application, Databases, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Authentications, Server Side, Middleware, Scalability, Application Deployment, Web Applications, Web Development, Debugging, Javascript
Intermediate · Course · 1 - 3 Months