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.

Universitat Politècnica de València
Skills you'll gain: Computational Thinking, Programming Principles, Web Development, Code Reusability, Database Management, Object Oriented Programming (OOP), Computational Logic, Information Technology, Information Systems, Maintainability, Relational Databases, Computer Programming, Extensible Markup Language (XML), Algorithms, Other Programming Languages, 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, Browser Compatibility, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Language, Web Design and Development, Web Design, Web Content, Web Content Accessibility Guidelines, Front-End Web Development, Animations, Web Development, Web Applications, Typography, Usability, Semantic Web, Javascript, Software Design, Software Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: React.js, Application Deployment, UI Components, Frontend Integration, JavaScript Frameworks, Code Reusability, Web Applications, Application Programming Interface (API), Web Development Tools, Development Environment, Javascript, Context Management, User Interface (UI), Production Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design and Development, Hypertext Markup Language (HTML), Web Development, Web Applications, Front-End Web Development, Cascading Style Sheets (CSS), Web Design, JavaScript Frameworks, Javascript, Data Validation, Web Content, Data Manipulation, User Experience
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, Back-End Web Development, Object-Relational Mapping, Web Development, Authentications, Web Applications, Web Services, Unit Testing, Authorization (Computing), Databases, Data Validation, TypeScript, SQL, Hypertext Markup Language (HTML), Debugging, Data Cleansing, Middleware, HTML and CSS, Javascript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Video Game Development, HTML and CSS, Cascading Style Sheets (CSS), Game Design, Web Design, Animation and Game Design, Hypertext Markup Language (HTML), Animations, Frontend Performance, Front-End Web Development, Web Development, Interactive Design, Web Applications, Computer Graphic Techniques, Event-Driven Programming, Computer Graphics, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React.js, UI Components, Frontend Integration, User Interface (UI), JavaScript Frameworks, Front-End Web Development, Scalability, Application Development, Web Applications, Development Environment, Web Development Tools, Javascript
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Web Development Tools, Frontend Performance, Performance Tuning, Javascript, Node.JS, Web Development, Scripting Languages, Web Applications, Computer Programming, Development Environment, Front-End Web Development, Web Design and Development, Programming Principles, Event-Driven Programming, Program Development, Frontend Integration, Data Structures, Functional Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Problem Solving, Interviewing Skills, Algorithms, Programming Principles, Data Structures, Event-Driven Programming, Performance Tuning, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, TypeScript, Secure Coding, OAuth, Data Validation, Full-Stack Web Development, Web Applications, Application Security, Authentications, Web Development, Back-End Web Development, Single Sign-On (SSO), Javascript, Data Modeling, Data Migration, Application Deployment, API Design, E-Commerce, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TypeScript, React.js, Frontend Integration, Interviewing Skills, Development Environment, Javascript, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Javascript, Code Reusability, Web Development, Application Programming Interface (API), Web Applications, API Testing, Debugging
Beginner · Course · 1 - 3 Months