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: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Programming Principles, Java, Integrated Development Environments, Data Structures, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Responsive Web Design, Web Design and Development, Mockups, Web Design, Web Content Accessibility Guidelines, Prototyping, Javascript, Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, JavaScript Frameworks, Authentications, MongoDB, Postman API Platform, Restful API, Middleware, JSON, Web Applications, Javascript, Back-End Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Authentications, OAuth, Postman API Platform, Restful API, Application Programming Interface (API), JSON, Test Automation, Data Validation, JUnit, Extensible Markup Language (XML), Selenium (Software), Mockups, Test Tools, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Front-End Web Development, Application Development, Web Development, JavaScript Frameworks, Transaction Processing, User Interface (UI), Development Testing, Cryptography, FinTech, Emerging Technologies, Software Design, HTML and CSS, API Design, Javascript, Application Deployment, Scalability, Data Management
Intermediate · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Web Scraping, Data Integration, Data Processing, Data Cleansing, Natural Language Processing, Jupyter, Pandas (Python Package), Scripting, Data Transformation, Data Capture, JSON, Text Mining, Hypertext Markup Language (HTML), Javascript
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Version Control, GitLab, Continuous Integration, Software Versioning, CI/CD, Git (Version Control System), Software Development Tools, Javascript
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, Software Testing, Test Case, Gradle, API Design, Software Development Tools, Integration Testing, JSON, Authentications
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, Event-Driven Programming, Web Development Tools, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Scripting, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Scripting, Scripting Languages, Data Storage, Web Development, Program Development, Data Structures, Game Design, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Service Oriented Architecture, Java
Beginner · Course · 1 - 4 Weeks