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.

John Wiley & Sons
Skills you'll gain: Object Oriented Design, Java Programming, Java, Object Oriented Programming (OOP), Data Persistence, Software Design Patterns, Maintainability, Memory Management, Programming Principles, Code Reusability, Functional Design, Computer Programming, Oracle Databases, File Systems, Computational Logic, API Design, Data Structures, Software Design, File Management, Data Management
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Java, Java Programming, Algorithms, Computational Thinking, Object Oriented Programming (OOP), Functional Design, Development Environment
Beginner · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Java, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Android Development, Android Studio, Mobile Development, Memory Management, Programming Principles, Code Reusability, Integrated Development Environments, Computational Logic, Development Environment
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Virtualization and Virtual Machines, Virtualization, Hardware Troubleshooting, Network Troubleshooting, Computer Hardware, Cloud Computing, Technical Support and Services, Technical Support, General Networking, End User Training and Support, Peripheral Devices, Networking Hardware, System Configuration, Data Storage, Network Administration, Network Infrastructure, Information Technology, Hardware Architecture, Data Storage Technologies, Configuration Management
Advanced · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, Generative AI Agents, LLM Application, AI literacy, Agentic Workflows, AI Orchestration, AI Enablement, OpenAI API, Java, Java Programming, AI powered creativity, Agentic systems, Generative AI, Artificial Intelligence, Large Language Modeling, AI Workflows, Tool Calling, AI Integrations
Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Programming Principles, Java Programming, Java, Computer Programming, Code Reusability, Data Structures, Object Oriented Programming (OOP), Computational Logic, Problem Solving, Algorithms, Eclipse (Software)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Serverless Computing, Azure Active Directory, Cloud Hosting, ASP.NET, Virtual Machines, Windows PowerShell, Cloud Computing, Cloud Services, OAuth, Cloud Solutions, .NET Framework, Virtualization and Virtual Machines, Microsoft Development Tools, Data Store, Authentications, Data Storage Technologies, Database Administration, Cloud Deployment, Cloud Storage
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Software Design, Maintainability, Code Reusability, Program Development, Java, Java Programming, AI Personalization, Object Oriented Programming (OOP), Data Structures, Algorithms, File I/O, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Cloud Computing Architecture, Amazon S3, Cloud Services, Cloud Computing, Public Cloud, Cloud Storage, Data Storage Technologies, Cloud Infrastructure, Data Storage, Identity and Access Management, User Accounts, Cloud Security, Solution Architecture, Infrastructure Architecture, File Systems
Beginner · Course · 1 - 3 Months

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

University of Pennsylvania
Skills you'll gain: File I/O, Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File Management, Development Environment, Programming Principles, Problem Solving
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Backlogs, Agile Project Management, Agile Software Development, Agile Product Development, Agile Methodology, Team Building, Team Oriented, Product Management, Project Management, Team Management, Project Management Life Cycle, Cross-Functional Collaboration, Case Studies, Meeting Facilitation, Prioritization, Continuous Improvement Process, Product Development, Discussion Facilitation, Communication
Beginner · Course · 1 - 4 Weeks