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.

Google Cloud
Skills you'll gain: Google Cloud Platform, Gemini, Generative AI, AI Security, AI Product Strategy, Responsible AI, AI Enablement, Data Governance, Cloud Infrastructure, Artificial Intelligence, Business Analysis, Decision Making
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Interactive Data Visualization, Exploratory Data Analysis, Dashboard, Data Visualization Software, Data Integration, Heat Maps, Spatial Data Analysis, Data-Driven Decision-Making, Decision Support Systems, Business Intelligence Software, Geospatial Information and Technology, Data Mapping
Beginner · Guided Project · Less Than 2 Hours

Columbia University
Skills you'll gain: Value-Based Care, Health Informatics, Care Coordination, Analytics, Health Care Administration, Data Analysis, Interoperability, Healthcare Ethics, Health Care, Health Systems, Health Technology, Electronic Medical Record, Patient-centered Care, Telehealth, Predictive Modeling, Data Sharing
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Research, Consumer Behaviour, Influencing, Marketing Psychology, Case Studies, Persuasive Communication, Statistical Analysis, Ethical Standards And Conduct, Data Collection, Advertising, Behavioral Economics, Data Analysis Software, Biomedical Technology, Marketing Communications, Experimentation, Neurology
Intermediate · Specialization · 3 - 6 Months

ESSEC Business School
Skills you'll gain: Marketing Analytics, Customer Analysis, Business Marketing, Business Analytics, Customer Insights, R Programming, Data-Driven Decision-Making, Data Analysis Software, Target Market, Statistical Analysis, Statistical Modeling, Predictive Modeling, Customer Relationship Management, Statistical Methods
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), Animation and Game Design, Interactive Data Visualization, Software Design, Program Development, Data Structures, Visualization (Computer Graphics), Interactive Design, Programming Principles, Graphic and Visual Design, Python Programming, Generative AI, Simulations, Computer Graphics, Design, Computational Logic, Creative Design, Computer Programming, Computational Thinking, File I/O
Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: AI Enablement, Strategic Decision-Making, Strategic Thinking, Generative AI Agents, Procurement, Generative AI, Competitive Intelligence, Due Diligence, Business Research, Talent Sourcing, Data-Driven Decision-Making, Leadership, Business Consulting, Market Intelligence, Cross-Functional Collaboration, Technical Consulting, Talent Acquisition, Technology Strategies, Agentic systems, Business Ethics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Technology, Computer Hardware, Cloud Computing, Network Troubleshooting, Software Installation, Technical Support and Services, Cybersecurity, Cloud Infrastructure, Hardware Troubleshooting, Data Storage, Database Software, Operating Systems, Computer Networking, Computer Security Awareness Training, Computer Programming, Virtual Private Networks (VPN), Project Management
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Music Theory, Music, Open Source Technology, Media Production, Musical Composition, Digital Signal Processing, Music History, Electronic Components, Post-Production, Electronics, Aesthetics, Hardware Design, Collaborative Software, Data Sharing, Instrumental Music, Embedded Systems, System Configuration, Algorithms, Creativity, Digital Publishing
Intermediate · Specialization · 3 - 6 Months

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cybersecurity, Authorization (Computing), Authentications, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Network Monitoring, Data Security, Internet Of Things, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Large Language Modeling, Responsible AI, Generative AI, Retrieval-Augmented Generation, Vibe coding, Natural Language Processing, Data Ethics, AI Workflows, Agentic systems, CI/CD, Software Development, Software Engineering Tools, DevOps, AI Security, Software Documentation, Test Automation, Application Security, DevSecOps, Software Engineering
Intermediate · Course · 1 - 4 Weeks