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: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Color Theory, Javascript, Front-End Web Development, User Interface (UI) Design, Web Development, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Jest (JavaScript Testing Framework), Application Deployment, Unit Testing, JavaScript Frameworks, Data Structures, Back-End Web Development, Restful API, Application Programming Interface (API), Development Environment, Javascript, Front-End Web Development
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Kubernetes, Containerization, Scalability, Application Deployment, Cloud Deployment, Spring Framework, Spring Boot, DevOps, Prometheus (Software), Amazon CloudWatch, AWS Identity and Access Management (IAM), OAuth, System Monitoring
Advanced · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Webpack, React.js, Web Applications, Package and Software Management, Web Development, Version Control, Software Documentation, Web Development Tools, JavaScript Frameworks, Web Content Accessibility Guidelines, Application Deployment, Frontend Performance, Software Architecture, Cloud Deployment, Software Testing, Javascript, UI Components, Interactive Data Visualization
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Software Design Patterns, Unified Modeling Language, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, Software Engineering, API Design, Software Development
Build toward a degree
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Data Persistence, Object Oriented Programming (OOP), Javascript, Web Applications, Application Programming Interface (API), Programming Principles, JSON, User Interface (UI), Interactive Design, Front-End Web Development, Event-Driven Programming, Responsive Web Design, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, JSON, Java, Docker (Software), Software Versioning
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Unit Testing, Code Review, Software Development Tools, Test Automation, Software Documentation, Maintainability, Web Applications, Application Development, Generative AI, Software Development, Jest (JavaScript Testing Framework), Javascript, ChatGPT, GitHub
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Boot, Cloud Deployment, Application Deployment, Google Cloud Platform, Cloud Applications, Key Management, Application Frameworks, Application Development, Data Access, Java
Intermediate · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: JUnit, Unit Testing, Software Testing, Development Testing, Java, Test Case, Integration Testing, Test Automation, Test Driven Development (TDD)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Integration, Jenkins, Continuous Deployment, Devops Tools, Software Configuration Management, User Accounts, Application Programming Interface (API), Authorization (Computing)
Intermediate · Guided Project · Less Than 2 Hours