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.

Queen Mary University of London
Skills you'll gain: Stakeholder Management, Stakeholder Engagement, Change Management, Stakeholder Communications, Professional Networking, Matrix Management, Organizational Change, Organizational Leadership, Stakeholder Analysis, Leadership, Organizational Structure, Leadership Development, Team Leadership, Influencing, Professional Development, Organizational Strategy, Relationship Building, Personal Development, Branding, Storytelling
★ 4.7 (39) · Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, Continuous Deployment, CI/CD, Authorization (Computing), Application Frameworks, Performance Tuning, Application Lifecycle Management, Prometheus (Software), Grafana
★ 3.2 (11) · Intermediate · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Control Systems, Process Control, Mathematical Modeling, Engineering Analysis, Matlab, Simulation and Simulation Software, Systems Analysis, Simulations, Automation Engineering, Systems Design, Mathematical Software, Performance Tuning
★ 4.8 (68) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Systems, Automation Engineering, Electrical Equipment, Hydraulics, Machine Controls, Control Systems, Mechanical Engineering, Real Time Data, Internet Of Things, Automation, Industrial Engineering, Robotics, Hardware Troubleshooting, Manufacturing Processes, Sustainable Technologies, Maintenance, Repair, and Facility Services, Production Process, Emerging Technologies, Manufacturing Operations
★ 4.5 (33) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), Web Design and Development, digital literacy, Web Content Accessibility Guidelines
★ 4.5 (26) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Graphic Design, Logo Design, Graphic and Visual Design Software, Graphics Software, Graphic and Visual Design, Creative Design, Multimedia
★ 4.3 (40) · Beginner · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Business Planning, Solution Design, Consumer Behaviour, Sustainable Development, Enterprise Modeling, Entrepreneurship, Sustainable Business, Market Dynamics, Market Opportunities, Needs Assessment, Design Thinking, Ideation, Product Development, Environmental Issue, Sustainability Reporting, Business Development, Cultural Sensitivity, Empathy & Emotional Intelligence
★ 4.4 (25) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Incident Response, Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Threat Detection, Risk Management, Cybersecurity, Computer Security Incident Management, Secure Coding, Cyber Security Assessment, Incident Management, Security Testing, MITRE ATT&CK Framework, Systems Development Life Cycle, Cyber Governance, Intrusion Detection and Prevention, Cyber Threat Intelligence, Cyber Attacks, Network Infrastructure
★ 4.6 (16) · Intermediate · Specialization · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, Healthcare Industry Knowledge, Health Systems, Health Care Procedure and Regulation, Ethical Standards And Conduct, AI Integrations, Healthcare Ethics, AI Workflows, Machine Learning, Health Informatics, Verification And Validation, Health Technology, Model Evaluation, Data Governance
★ 4.6 (68) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Responsible AI, AI Security, Threat Modeling, MLOps (Machine Learning Operations), Budget Management, Secure Coding, Data Ethics, Data Governance, Experimentation, Prompt Engineering, Application Security, CI/CD, Automation, Financial Forecasting, Compliance Management, Governance, Technical Documentation, Vulnerability Assessments, Risk Management, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Responsible AI, Model Training, Data Ethics, Tensorflow, PyTorch (Machine Learning Library), Internet Of Things, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Wireless Networks, Generative AI, Emerging Technologies, Generative AI Agents, Network Performance Management, Digital Communications, Network Architecture, Network Protocols, Computer Networking, Communication, System Design and Implementation
★ 4.5 (13) · Advanced · Specialization · 1 - 3 Months

Multiple educators
Skills you'll gain: Leadership Studies, Sustainable Systems, Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Systems Thinking, Brand Marketing, Change Management, Strategic Leadership, Professional Development, Waste Minimization, Packaging and Labeling, Environment and Resource Management, Business Leadership, Regulatory Compliance, Engineering Management, Market Opportunities, Key Performance Indicators (KPIs), Emerging Technologies, Digital Marketing
★ 4.7 (19) · Beginner · Specialization · 1 - 3 Months