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.

Google Cloud
Skills you'll gain: Cloud Applications, Cloud Development, Cloud-Native Computing, Google Cloud Platform, Cloud API, Application Development, Data Store, Cloud Hosting, Cloud Storage, Cloud Services, Software Development, Data Storage, Cloud Platforms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Command-Line Interface, Data Pipelines, Java, Java Programming, Enterprise Application Management, Real Time Data, Unix Commands, Data Integration, Distributed Computing, Performance Tuning, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Web Services, Interoperability, Java, Computer Graphic Techniques, Scalability
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Bootstrap (Front-End Framework), Javascript, HTML and CSS
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Performance Tuning, Systems Development, Java Programming, System Monitoring, Inventory Management, System Requirements, Business Reporting, Management Reporting, Verification And Validation
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Tools, Java
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Microsoft Copilot, Prompt Engineering, Vibe coding, GitHub, AI Workflows, Generative AI Agents, Software Development Tools, Application Development, Software Development, Responsible AI, Code Review, Generative AI, Artificial Intelligence, AI Personalization, Design Software, Software Engineering, Web Development, React.js, Front-End Web Development, Javascript
Beginner · Course · 1 - 3 Months

Skills you'll gain: Spring Boot, React.js, Spring Framework, Object-Relational Mapping, Frontend Integration, Restful API, YAML, Data Access, Database Application, Data Persistence, Web Applications, JavaScript Frameworks, Databases, Application Performance Management, Development Environment, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java Platform Enterprise Edition (J2EE), JUnit, Software Documentation, Application Frameworks, Development Environment, Application Design, Software Testing, Performance Tuning, Data Persistence, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Integration, CI/CD, Application Deployment, Node.JS, Continuous Delivery, Test Automation, Git (Version Control System), Software Development, Continuous Deployment, GitHub, Javascript
Intermediate · Guided Project · Less Than 2 Hours

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

Infosec
Skills you'll gain: Application Security, Secure Coding, Package and Software Management, Node.JS, Vulnerability Management, Javascript, Dependency Analysis, Vulnerability Assessments, Exploitation techniques
Intermediate · Course · 1 - 4 Weeks