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.

KodeKloud
Skills you'll gain: Network Support, Network Administration, DevOps, Software Development Tools, Networking Hardware, Network Troubleshooting, Command-Line Interface, Web Development, Cloud Applications, Development Environment, Virtualization and Virtual Machines, Virtual Machines, Virtual Environment, Virtualization, Dependency Analysis, Software Development
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Cloud Deployment, Application Deployment, Cloud Development, Cloud Applications, Java, Google Cloud Platform, Cloud Services, Application Development, Cloud Computing, Java Programming, Cloud Platforms, DevOps
Beginner · Project · Less Than 2 Hours

Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Full-Stack Web Development, Application Design, Node.JS, Django (Web Framework), Back-End Web Development, Web Applications, Web Design and Development, Front-End Web Development, Restful API, Application Development, GitHub, Microservices, Web Development, User Accounts, Kubernetes, Frontend Integration, Javascript
Advanced · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Android Development, Software Testing, Mobile Development, Java, Development Testing, Unit Testing, Application Development, Integration Testing, Event-Driven Programming, User Interface (UI), Data Persistence
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Embedded Software, C (Programming Language), Embedded Systems, Debugging, Peripheral Devices, Memory Management, Integrated Development Environments, Computer Programming Tools, Development Environment, System Programming, Software Development Tools, Program Development, Hardware Architecture, Systems Architecture, Eclipse (Software), Data Structures, Build Tools, C and C++, Programming Principles, Microarchitecture
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Computer Programming Tools, Animations, Development Environment, Software Development Tools, UI Components, Interactive Design, Javascript, Program Development
Beginner · Specialization · 3 - 6 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Object Oriented Design, Computational Logic
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Spring Boot, Database Management, Database Systems, Data Access, Restful API, Web Services, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Software Testing, Test Tools, Web Services, Java Programming, Hibernate (Java), Verification And Validation, Business Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Back-End Web Development, Server Side, Front-End Web Development, Hypertext Markup Language (HTML), Scripting, Event-Driven Programming, JavaScript Frameworks, Web Applications, Mobile Development, HTML and CSS, Web Development, Scripting Languages, Event Monitoring, Code Reusability
Beginner · Guided Project · Less Than 2 Hours

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

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Tools, Test Data, Test Automation, Test Execution Engine, Integrated Development Environments, Java
Intermediate · Course · 1 - 4 Weeks