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: JUnit, Java Programming, Unit Testing, Java, Test Script Development, Software Testing, Quality Assurance, Software Quality Assurance, Test Case, Software Development, Application Development, Data Validation, System Design and Implementation, User Interface (UI), Data Modeling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Javascript, JavaScript Frameworks, Software Testing, Unit Testing, Scripting, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Scripting Languages, Data Validation, Data Structures, Network Protocols, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Authentications, MongoDB, Postman API Platform, Restful API, Server Side, Middleware, JSON, Application Programming Interface (API), Web Development Tools, Web Applications, Javascript, Back-End Web Development, API Testing, NoSQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Applications, Web Design and Development, Javascript, Frontend Integration, Web Design, Web Development, Front-End Web Development, Game Design, Program Development
Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Apache Kafka, Apache, Data Pipelines, Distributed Computing, Scalability, File Systems, Data Store, Live Streaming, Data Persistence, File I/O, Data Storage Technologies, Command-Line Interface, Data Maintenance, Data Storage, Network Monitoring, File Management, Records Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Deployment, YAML, Restful API, Software Configuration Management, Load Balancing, Configuration Management
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Programming Principles, Event-Driven Programming, Software Design Patterns, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Spring Boot, Configuration Management, API Gateway, JUnit, Java Programming, Enterprise Application Management, Java, Test Tools, Unit Testing, Application Programming Interface (API), Development Testing, Software Design Patterns, Authentications
Advanced · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: TypeScript, Debugging, Javascript, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Blockchain, Front-End Web Development, Application Development, Web Development, Transaction Processing, Development Testing, Frontend Integration, Cryptography, FinTech, Emerging Technologies, Software Design, HTML and CSS, Software Architecture, Test Script Development, User Interface (UI) Design, Experience Design, Javascript, Application Deployment, Payment Systems, Data Management
Intermediate · Course · 1 - 4 Weeks

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