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: Dashboard Creation, Dashboard, Data Preprocessing, Interactive Data Visualization, Data Visualization Software, Real Time Data, Data Analysis, Application Programming Interface (API), No-Code Development, JSON, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Javascript, Application Programming Interface (API)
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

Skills you'll gain: Docker (Software), Containerization, Kubernetes, Development Environment, Spring Boot, Application Deployment, DevOps, Microservices, Debugging, MongoDB, Software Installation, Restful API
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: IntelliJ IDEA, Apache Maven, Build Tools, Integrated Development Environments, Software Development Tools, Version Control, Software Engineering Tools, Development Environment, Program Development, Computer Graphics, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Database Management, Relational Databases, Scripting
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon Web Services, Containerization, Kubernetes, Application Deployment, Cloud-Native Computing, Cloud Deployment, Devops Tools, Cloud Security, Hybrid Cloud Computing, Scalability
Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
Intermediate · 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

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: Javascript, Web Language, Data Persistence, Data Storage, Web Development, Data Structures, Computational Logic, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
Beginner · Specialization · 3 - 6 Months

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