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.

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Computer Architecture, Hardware Architecture, Cloud Infrastructure, Systems Design, Embedded Systems, System Design and Implementation, Software Design, Cloud Computing
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Tax Compliance, Partnership Accounting, Income Tax, Corporate Tax, Tax Laws, Tax Planning, Ethical Standards And Conduct, Organizational Structure, Strategic Decision-Making, Business Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Web Services, Web Applications, Application Development, Database Application, User Interface (UI), Python Programming, Restful API, Databases, Database Management, Application Security, Network Protocols, User Interface (UI) Design, Scripting, Relational Databases, Object Oriented Programming (OOP), Computer Programming, Software Development, Scripting Languages, Object Oriented Design, Programming Principles
Mixed · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Multilingualism, Language Interpretation, Translation, and Studies, Cultural Diversity, Language Learning, Diversity Awareness, Culture, Intercultural Competence, World History, Community Development, Digital Communications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Data Pipelines, Data Processing, Real Time Data, File I/O, Data Transformation, Jupyter, Performance Tuning, JSON, SQL
Advanced · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Digital Marketing, Web Analytics, Digital Advertising, Search Engine Marketing, Online Advertising, Google Analytics, Search Engine Optimization, Google Ads, Marketing Channel, Social Media Marketing, Marketing Strategies, Keyword Research, Marketing Planning, Paid media, Marketing Analytics, Social Media Campaigns, Social Media, Advertising, Blogs, Emerging Technologies
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Risk Management Framework, Federal Information Security Management Act, NIST 800-53, Systems Development Life Cycle, Cyber Risk, Security Management, Continuous Monitoring, Cyber Security Policies, Security Controls, Authorization (Computing), Information Privacy, Information Systems
Mixed · Course · 1 - 3 Months

Tata Institute of Social Sciences
Skills you'll gain: Public Policies, Policy Development, Policty Analysis, Research, and Development, Governance, Policy Analysis, Social and Human Services, Economics, Policy, and Social Studies, Program Implementation, Social Justice, Public Administration, Community Development, Diversity and Inclusion, Advocacy, Program Evaluation, Empowerment, Stakeholder Engagement
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Asset Management, Intellectual Property, Data Quality, Information Management, Digital Assets, Business Valuation, Information Systems, Management Information Systems, Data Governance, Enterprise Modeling, Business Metrics, Accounting, Organizational Structure, Innovation, Data Analysis, Big Data
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, React.js, Object-Relational Mapping, Restful API, YAML, Data Access, Web Applications, Databases, Application Performance Management, Full-Stack Web Development, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Team Management, Governance
Intermediate · Course · 1 - 3 Months