Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. 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: Kubernetes, Docker (Software), Containerization, Cloud-Native Computing, Application Deployment, YAML, Devops Tools, Command-Line Interface, Google Cloud Platform, Web Applications, Cloud Deployment, Data Persistence, Development Environment, Configuration Management, Virtual Networking, Microservices, Nginx, Software Installation, MongoDB, Service Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Responsible AI, Applied Machine Learning, Data Ethics, Transfer Learning, Artificial Intelligence, Model Optimization, Federated Learning, Machine Learning Methods, Scalability, Machine Learning, Distributed Computing, Microsoft Azure, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: JUnit, Unit Testing, Maintainability, Software Design Patterns, Software Testing, Test Automation, Integration Testing, Test Driven Development (TDD), Development Testing, Testability, Software Engineering, Test Tools, Secure Coding, Android Development, Application Security, Software Design, Mobile Security
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Docker (Software), Azure DevOps, Restful API, Azure DevOps Pipelines, Microservices, Containerization, DevOps, ASP.NET, CI/CD, .NET Framework, Devops Tools, Continuous Integration, Web Services, Continuous Delivery, Application Programming Interface (API), API Design, Test Automation, Application Deployment, Development Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Spreadsheet Software, Business Reporting, Data Visualization, Data Management, Debugging, File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Pipelines, Google Cloud Platform, Cloud Security, Data Processing, Data Security, Cloud Storage, Containerization
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Troubleshooting, Help Desk Support, System Configuration, Computer Hardware, Networking Hardware, Hardware Troubleshooting, Technical Support and Services, Technical Support, Peripheral Devices, System Support, Desktop Support, General Networking
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Cascading Style Sheets (CSS), Web Design and Development, Front-End Web Development, Responsive Web Design, jQuery, React.js, Javascript, Web Applications, JavaScript Frameworks, Frontend Integration, Application Frameworks, Web Development, UI Components, digital literacy, Web Content Accessibility Guidelines, User Interface (UI), Event-Driven Programming, Maintainability
Beginner · Specialization · 1 - 3 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, Data Access, Data Sharing, Web Applications, Data Mining, Interoperability, Software Architecture, Data Architecture, Data Modeling
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Machine Learning Methods, Supervised Learning, Classification Algorithms, Decision Tree Learning, Data Science, Machine Learning Algorithms, Data Analysis, Machine Learning, Correlation Analysis, Bayesian Network, Algorithms, Artificial Neural Networks, Model Evaluation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Music History, World Music, Classical Music, Music, Music Theory, Performing Arts, Musical Composition, Art History
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, Exploitation techniques, Web Applications, Javascript, Web Development, Node.JS, Java Programming
Intermediate · Course · 1 - 4 Weeks