Java for Android courses can help you learn app development, user interface design, and mobile programming principles. You can build skills in working with APIs, managing databases, and implementing responsive layouts. Many courses introduce tools like Android Studio and Gradle, that support coding, testing, and deploying your applications effectively.

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Process Optimization, Report Writing, Network Model, Applied Mathematics, Process Improvement and Optimization, Business Modeling, Industrial Engineering, Linear Algebra, Numerical Analysis, Operations Management, Applied Machine Learning, Resource Allocation, Case Studies, Engineering Calculations, Algorithms, Feasibility Studies, Project Design, Business Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, Cyber Attacks, Data Security, Computer Security Awareness Training, Threat Modeling, Security Awareness, Cyber Threat Intelligence, Threat Management, Network Security, Information Privacy, Malware Protection, Incident Response, Mitigation
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Environmental Policy, International Relations, Climate Change Mitigation, Energy and Utilities, Environment, Petroleum Industry, Oil and Gas, Governance, Climate Change Adaptation, Sustainable Development, Policy Analysis, Economics, Security Strategy, Electric Power Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Microsoft Copilot, AI Workflows, Anthropic Claude, Tool Calling, GitHub, Context Management, Web Development, Real Time Data, Debugging, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Servers, Prompt Engineering, Application Development, Video Game Development, Generative AI, Software Engineering
Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Dental Care, Patient Evaluation, Dental Procedures, Oral Health, Dental Hygiene, Periodontology, Oral Cancer Screening, Medical History Documentation, Pain Management, Anatomy, Clinical Assessment
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Financial Modeling, Blockchain, FinTech, Portfolio Risk, Entrepreneurial Finance, Financial Market, Business Valuation, Risk Management, Excel Formulas, Emerging Technologies, Cryptography, Risk Analysis, Fundraising and Crowdsourcing, Financial Trading, Probability Distribution, R (Software), Financial Analysis, Entrepreneurship, Finance, Microsoft Excel
Intermediate · Specialization · 3 - 6 Months

University of Virginia
Skills you'll gain: Public History, Writing, Storytelling, Writing and Editing, World History, European History, Liberal Arts, Creativity
Beginner · Course · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Package and Software Management, Open Source Technology, Git (Version Control System), Linux, Command-Line Interface, Bash (Scripting Language), File Systems, Unix Commands, GitHub, Linux Administration, Version Control, Linux Commands, User Accounts, CI/CD, Shell Script, System Configuration, Collaborative Software, Scripting, Software Development Tools, Software Versioning
Beginner · Specialization · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Administration, Payroll Processing, Payroll Systems, Payroll Reporting, Compensation Management, Human Resources Information System (HRIS), Customer Service, Communication Strategies, Compliance Management, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unity Engine, Debugging, Object Oriented Programming (OOP), Video Game Development, C# (Programming Language), Game Design, Computer Programming, Data Storage, Development Environment, User Interface (UI), Scripting
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Leadership and Management, Team Management, Adaptability, Professional Development, People Development, Organizational Leadership, Leadership, Mentorship, Emotional Intelligence, Decision Making, Communication, Active Listening, Self-Awareness, Critical Thinking
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Architectural Design, Sustainable Development, Stormwater Management, Building Codes, Community Development, Land Development, Public Works, Sustainable Architecture, Landscape Architecture, Transportation Operations, Civil Engineering, Case Studies, Environmental Engineering, Building Design, Economic Development, Land Management, Sustainable Design, Sustainable Technologies, Environmental Science
Intermediate · Specialization · 3 - 6 Months