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.

National Taiwan University
Skills you'll gain: SketchUp (3D Modeling Software), Computer-Aided Design, Drafting and Engineering Design, Visualization (Computer Graphics), Computer Graphics, 3D Assets, Engineering Drawings, Design Software, Graphical Tools, Computer Graphic Techniques, Graphics Software, Conceptual Design
★ 4.8 (94) · Mixed · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Management, Cloud Services, Amazon S3, Cloud Infrastructure, Public Cloud, Amazon Elastic Compute Cloud, Cloud Computing Architecture, AWS Identity and Access Management (IAM), Technical Product Management, AWS CloudFormation, Cloud Platforms, AWS Kinesis, Amazon Redshift, Cloud Security, Software Architecture, Amazon CloudWatch, Cloud Storage, Product Management
★ 4.5 (94) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Salesforce, Salesforce Development, Application Deployment, Workflow Management, Dashboard, Data Import/Export, Ad Hoc Reporting, Change Control, Email Automation, Data Maintenance, Authentications, Customer Relationship Management (CRM) Software, Configuration Management, Data Access, Responsive Web Design, System Configuration, Role-Based Access Control (RBAC), Data Management, Customer Relationship Management, Business Logic
★ 4.2 (9) · Beginner · Specialization · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Entrepreneurship, Design Thinking, Lean Methodologies, Entrepreneurial Finance, Financial Management, Adaptability, Fundraising and Crowdsourcing
★ 4.7 (688) · Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Product Lifecycle Management, Performance Measurement, Manufacturing Operations, Supply Chain Management, Manufacturing and Production, Operations Management, Enterprise Resource Planning, Production Planning, Material Requirements Planning, Data Integration, Business Process Management, Data Collection, Digital Transformation, Data Security, Enterprise Application Management, Data Management, Decision Making
★ 4.6 (645) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: NoSQL, Database Architecture and Administration, Database Systems, Cloud Applications, Database Theory, Database Management Systems, Data Store, Database Management, Databases, PostgreSQL, Relational Databases, Database Software, SQL, Database Application, Distributed Computing, Cloud Computing Architecture, Cloud Deployment, Transaction Processing, Scalability, Development Environment
★ 4.2 (151) · Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Control Systems, Machine Controls, Systems Architecture, Simulations, Global Positioning Systems, Robotics, Automation, Mechanical Engineering, Computer Vision, Mathematical Modeling, Systems Integration, Estimation, Business Intelligence
★ 4.3 (46) · Beginner · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Research Methodologies, Institutional Review Board (IRB), Research, Research Design, Qualitative Research, Surveys, Policy Analysis, Research, and Development, Community and Social Work, Ethical Standards And Conduct, Data Collection, Accountability, Case Studies, Informed Consent, Needs Assessment, Decision Making
★ 4.8 (153) · Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Risk Analysis, Analysis, Systems Thinking, World History, International Relations, Risk Management, Systems Analysis, Social Network Analysis, International Finance, Financial Systems, Infectious Diseases, Public Health, Socioeconomics, Social Sciences, Health Policy, Governance, Epidemiology, Complex Problem Solving, Economics, Supply Chain
★ 4.7 (462) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Generative AI, Responsible AI, Accounts Payable, Accounts Payable and Receivable, Prompt Engineering Tools, Data Ethics, Accounting and Finance Software, Financial Data, Make.com, Data Governance, Workflow Management, Miro AI, Financial Forecasting, Financial Management, Financial Analysis, Artificial Intelligence, No-Code Development, Budgeting, Forecasting
★ 3.5 (13) · Intermediate · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Human Computer Interaction, Web Content Accessibility Guidelines, Human Factors, User Interface (UI), Usability, Interaction Design, Prototyping, User Interface and User Experience (UI/UX) Design, User Experience Design, User Experience, Human Centered Design, User Centered Design, User Interface (UI) Design, Responsive Web Design, Design Thinking, Usability Testing, Mockups, User Research, Wireframing, Information Architecture
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Prompt Engineering, Email Automation, Model Context Protocol, Webhook Security, Retrieval-Augmented Generation, AI Integrations, Make.com, AI Workflows, Google Gemini, Automation, Anthropic Claude, OpenAI, Generative AI Agents, No-Code Development, Generative AI, Artificial Intelligence, Vector Databases, Large Language Modeling, Docker (Software), Data Transformation
★ 4.8 (8) · Beginner · Specialization · 3 - 6 Months