Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

University of Pennsylvania
Skills you'll gain: Immigration Law, Legal Proceedings, Law, Regulation, and Compliance, Family Law, Adjudication, Diversity Programs
★ 4.9 (226) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Pain Management, Public Health, Health Policy, Public Health and Disease Prevention, Substance Abuse, Research, Hospice, Epidemiology, Chronic Diseases, Oncology, Pharmacology, Mental Health, Pharmacotherapy, Medication Therapy Management, Nutrition and Diet
★ 4.7 (152) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Cost Estimation, Portfolio Risk, Cost Management, Financial Modeling, Estimation, Portfolio Management, Spreadsheet Software, Accounting, Wealth Management, Financial Planning, Risk Management, Financial Analysis, Investments, Cost Accounting, General Finance, Financial Management, Cash Flows
★ 4.6 (108) · Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Commercial Laws, Risk Management, Entrepreneurial Finance, Legal Risk, Contract Negotiation, Entrepreneurship, Contract Management, Contract Review, Personal Injury Law, Legal Strategy, New Business Development, Civil Law, Intellectual Property, Contract Compliance, Insurance and Warranty Claims Processing, Fundraising
★ 4.8 (133) · Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
★ 4.8 (235) · Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Mental Health, Learning Strategies, Stress Management, Language Learning, English Language, Literacy, Empathy & Emotional Intelligence, Higher Education
★ 4.5 (126) · Intermediate · Course · 1 - 3 Months

McMaster University
Skills you'll gain: Lifelong Learning, Learning Strategies, Growth Mindedness, Mental Concentration, Mentorship, Adaptability, Professional Development, Personal Development, Resilience, Stress Management, Overcoming Obstacles, Relationship Building
★ 4.8 (13K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Management Systems, NoSQL, Database Design, Systems Architecture, Transaction Processing
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Ajax, jQuery, Javascript and jQuery, JSON, Django (Web Framework), Web Applications, Javascript, Debugging, Database Design, Data Modeling, Event-Driven Programming, Data Access, User Accounts, Object Oriented Programming (OOP), Python Programming
★ 4.8 (295) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Elicitation, Requirements Analysis, Mockups, Interviewing Skills, Storyboarding, Product Requirements, Prototyping, Systems Analysis, Business Analysis Tools, User Research, Stakeholder Analysis, System Requirements, Stakeholder Engagement, Knowledge Transfer, Prioritization
★ 4.5 (122) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Inventory and Warehousing, Material Handling, Warehousing, Inventory Control, Inventory Management, Logistics Management, Logistics, Inventory Control Systems, Warehouse Operations, Inventory Management System, Warehouse Management, Supply Chain Systems, Supply Chain, Information Systems, Vendor Management, Operational Efficiency, Automation, Cost Reduction
★ 5 (12) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Vulnerability Scanning, Cyber Security Assessment, Hardening, Threat Management, Security Testing, Patch Management, Cyber Risk, Threat Detection, Cyber Threat Hunting, Application Security, Cyber Attacks, Cyber Engineering, Cyber Security Policies, Dashboard Creation, Cyber Security Strategy, Cyber Governance, Network Engineering, Web Applications
Intermediate · Course · 1 - 4 Weeks