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.

Scrimba
Skills you'll gain: Web Applications, Full-Stack Web Development, Database Application, Data Store, Database Development, Database Management, SQL, Query Languages, Data Access, Real Time Data, Javascript, Data Entry, Software Engineering, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Cascading Style Sheets (CSS), UI Components, Event-Driven Programming, User Experience Design, User Interface (UI), Application Programming Interface (API), Front-End Web Development, Data Management, JavaScript Frameworks, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Web Applications, HTML and CSS, Animations, Hypertext Markup Language (HTML), Event-Driven Programming, Cascading Style Sheets (CSS), Web Design and Development, Animation and Game Design, Application Development, Event Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Layout Design, UI Components, Front-End Web Development, Multimedia, Usability, Web Development, Interactive Design, Javascript, Graphic and Visual Design, Web Design and Development, Typography, Project Design, User Interface (UI), Web Analytics and SEO
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Jenkins, CI/CD, Continuous Integration, Continuous Deployment, DevOps, Application Deployment, Continuous Delivery, Spring Framework, Build Tools, Version Control
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Framework, Hibernate (Java), Java Programming, Spring Boot, Java, Object-Relational Mapping, Database Management, Application Frameworks, Data Access, Apache Maven, SQL, Object Oriented Programming (OOP), Data Persistence, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Test Script Development, Unit Testing, Software Testing, Jenkins, CI/CD, Continuous Integration, Test Tools, Apache Maven, Automation, Test Case, Software Configuration Management, DevOps, Java, C# (Programming Language), Java Programming, Python Programming
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Prometheus (Software), Data Governance, Distributed Computing, Data Processing, Data Store, Event Monitoring, Network Monitoring, Systems Architecture, Performance Metric, Network Troubleshooting, Network Architecture
Intermediate · Course · 1 - 3 Months

Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Applications, Web Design and Development, Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Web Development Tools, Responsive Web Design, Real Time Data, Frontend Performance, User Interface (UI), Secure Coding, Javascript, Data Access, Data Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), jQuery, Javascript and jQuery, Web Design and Development, Javascript, Web Development, Animations, Front-End Web Development, Animation and Game Design, Web Applications, Visualization (Computer Graphics), Computer Graphics, Code Reusability
Intermediate · Course · 1 - 3 Months