Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

LearnQuest
Skills you'll gain: Microsoft Azure, Infrastructure As A Service (IaaS), Network Administration, Network Infrastructure, Cloud Deployment, Cloud Computing, Data Storage, Cloud Management, Network Planning And Design, Dashboard Creation, Cloud Platforms
★ 4.4 (512) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Programming Principles, Computer Programming, Code Reusability, Python Programming, Program Development, Software Installation, Computational Logic, Development Environment
★ 4.8 (106) · Mixed · Course · 1 - 3 Months

ISSA (International Sports Sciences Association)
Skills you'll gain: Nutrition Counseling, Nutrition and Diet, Nutrition Care Plans, Health And Wellness Coaching, Nutritional Assessment, Dietetics, Nutrition Education, Exercise Science, Coaching, Clinical Nutrition, Motivational Interviewing, Habit Formation, Culture, Biology, Behavior Management, Health Assessment, Health Education, Athletic Training, Health Care, Mental and Behavioral Health
★ 4.6 (15) · Beginner · Specialization · 3 - 6 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Design Software, Materials science, Verification And Validation, System Configuration, Data Import/Export
★ 4.8 (68) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computational Logic, Mathematical Modeling, Model Based Systems Engineering, Systems Design, Theoretical Computer Science, Verification And Validation, System Requirements, Systems Architecture, Automation Engineering, Functional Specification, Agentic systems, Control Systems, Mechanics, Requirements Analysis, Systems Analysis, Safety Assurance, Linear Algebra, Mathematical Theory & Analysis, Differential Equations, Algorithms
★ 3.5 (39) · Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Excel Macros, Excel Formulas, Microsoft Excel, Data Visualization, ChatGPT, Plot (Graphics), Spreadsheet Software, Vibe coding, Interactive Data Visualization, AI Enablement, Multimodal Prompts, Prompt Engineering, Prototyping, Verification And Validation, Data Import/Export
★ 4.8 (79) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Learning Management Systems, Education Software and Technology, Digital pedagogy, Instructional Strategies, Computer Science, Interactive Design, Emerging Technologies, AI Personalization, Collaborative Software, Artificial Intelligence
★ 4.5 (82) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Anthropic Claude, Application Programming Interface (API), LLM Application, JSON, AI Integrations, Generative AI Agents, Agentic systems, Scripting, Token Optimization, Artificial Intelligence, Automation, Development Environment
★ 4.3 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Browser Compatibility, Responsive Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, UI Components, React.js, Application Frameworks
★ 4.4 (105) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microarchitecture, Memory Management, System Programming, Embedded Software, Hardware Architecture, System Software, Embedded Systems, Computer Architecture, Programming Principles, System Configuration, Debugging
★ 4.7 (53) · Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: AI Enablement, Strategic Decision-Making, Strategic Thinking, Generative AI Agents, Procurement, Generative AI, Competitive Intelligence, Due Diligence, Purchasing, Strategic Sourcing, Consulting, Business Research, Research Reports, Talent Sourcing, Data-Driven Decision-Making, Leadership, Business Consulting, Technology Strategies, Agentic systems, Business Ethics
★ 4.7 (131) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Management, Incident Response, Vulnerability Assessments, Computer Security Incident Management, Threat Management, IT Management, Vulnerability Management, Security Strategy, Cyber Governance, Risk Management Framework, Cyber Security Strategy, Cyber Security Policies, Information Assurance, Security Controls, Cyber Risk, Disaster Recovery
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks