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: Full-Stack Web Development, Version Control, Web Development, Cloud Deployment, OAuth, Web Development Tools, Database Management, Bootstrap (Front-End Framework), Restful API, Web Services, Spring Framework, TypeScript, Software Development, Application Development, Web Servers, NoSQL
Intermediate · Course · 3 - 6 Months

Logical Operations
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Development, Javascript, Web Design, JavaScript Frameworks, Web Development Tools, Web Servers, Web Design and Development, Browser Compatibility, Web Content, Web Analytics and SEO, Server Side, Hypertext Markup Language (HTML), Web Applications, Web Frameworks, Front-End Web Development, Event-Driven Programming, Web Content Accessibility Guidelines, Software Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Front-End Web Development, Bootstrap (Front-End Framework), Web Design and Development, jQuery, Web Design, Web Applications, User Interface (UI), Animations, Javascript, Event-Driven Programming
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Testability, Java, Test Case
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Full-Stack Web Development, Server Side, Restful API, Angular, Middleware, Application Deployment, Authentications, Javascript, MongoDB, Application Programming Interface (API), Back-End Web Development, Front-End Web Development, JSON, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Front-End Web Development, Web Design and Development, HTML and CSS, Web Development Tools, UI Components, Information Architecture, Wireframing, Application Frameworks, User Interface (UI) Design, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vue.JS, Web Components, Unit Testing, JavaScript Frameworks, Software Architecture, Software Testing, Development Testing, UI Components, Web Applications, Front-End Web Development, Web Development, Javascript, HTML and CSS, Data Validation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: JUnit, Test Automation, Unit Testing, Software Testing, Verification And Validation, Test Case, Test Driven Development (TDD), Integration Testing, Debugging, Mockups
Mixed · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Computational Thinking, Programming Principles, Web Development, Database Management, Object Oriented Programming (OOP), Information Technology, Databases, Information Systems, Computer Programming, Algorithms, SQL, Hypertext Markup Language (HTML), Data Structures, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Development, Javascript, JavaScript Frameworks, Web Content, Web Servers, Browser Compatibility, Web Design and Development, Web Analytics and SEO, Web Design, Front-End Web Development, Web Applications, Apache, Development Environment, Semantic Web, Software Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: TypeScript, Restful API, API Design, Full-Stack Web Development, PostgreSQL, Application Programming Interface (API), Object-Relational Mapping, Secure Coding, Web Applications, JavaScript Frameworks, SQL, Front-End Web Development, React.js, Database Systems, Relational Databases, Database Management, Development Environment, Back-End Web Development, Javascript, Artificial Intelligence
Beginner · Course · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Video Game Development, HTML and CSS, Web Design, Animation and Game Design, Front-End Web Development, Web Development, Interactive Design, Computer Graphics, Javascript
Beginner · Course · 1 - 4 Weeks