Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

Skills you'll gain: Amazon Web Services, Disaster Recovery, Amazon Elastic Compute Cloud, Firewall, Network Security, Cloud Security, Application Security, Cloud Solutions, Scalability, Security Controls, Network Troubleshooting, Amazon CloudWatch, Network Administration, Identity and Access Management, Virtual Private Networks (VPN)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Security Assessment, Vulnerability Assessments, Authentications, Wireless Networks, Network Security, Linux, Encryption, Microsoft Windows, Cryptography, Operating Systems
Mixed · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scalability, Scala Programming, Distributed Computing, Event-Driven Programming, System Design and Implementation, Microservices, Software Architecture, Software Design Patterns, Cloud Computing, Software Design, Application Frameworks, Software Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blogs, Workflow Management, Data Visualization, User Feedback, Content Development and Management, Interactive Data Visualization, Data Integration, Cloud-Based Integration, Google Docs, Project Management Software, Social Media Management, Content Management, Ideation, Project Management, Customer Insights, Database Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Authentications, Cloud API, Google Cloud Platform, Document Management, Real Time Data, Unstructured Data
Intermediate · Project · Less Than 2 Hours

Dassault Systèmes
Skills you'll gain: Computer Aided Three-Dimensional Interactive Application (CATIA), 3D Modeling, Design Software
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Interoperability, DevOps, Information Systems Security, Cybersecurity, Systems Integration, Application Programming Interface (API), Application Security, IT Security Architecture, Data Security, Web Services, Information Technology, Software As A Service, Microservices, Cloud Services, Cloud Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), Cyber Risk, Cyber Security Policies, Data Security, Personally Identifiable Information, Security Controls, Email Security, Cybersecurity, Threat Detection, Information Privacy, Data Governance, IT Automation, Event Monitoring, Incident Response
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Online Advertising, Digital Advertising, Advertising, Analytics, Big Data, Paid media, Social Media Strategy, Social Media, Data Ethics, Marketing, Digital Media Strategy, Social Media Marketing, Data-Driven Decision-Making, Social Media Campaigns, Return On Investment, Descriptive Analytics, Law, Regulation, and Compliance, Trend Analysis, Customer Engagement, Information Privacy
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Report Writing, Operations Research, Applied Mathematics, Mathematical Modeling, Algorithms, Industrial Engineering, Business Modeling, Process Optimization, Engineering Calculations, Feasibility Studies, Project Design, Engineering Management, Business Operations, Computational Thinking, Data Visualization, Complex Problem Solving, Decision Making, Performance Metric, Business Analytics
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Network Performance Management, Policy Development, Policy Analysis, Public Policies, Economics, Policy, and Social Studies, Business Economics, Socioeconomics, digital literacy, Telecommunications, Regulation and Legal Compliance, Technical Writing
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, AI Orchestration, Agentic Workflows, AI Security
Intermediate · Course · 1 - 4 Weeks