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.

Simplilearn
Skills you'll gain: Marketing, Digital Marketing, UI/UX Strategy, Digital Advertising, Marketing Strategy and Techniques, E-Commerce, Social Media Marketing, Content Marketing, Search Engine Optimization, Video Production, Business Strategy, Brand Awareness, Web Analytics and SEO, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Diagnostic Tests, Bioinformatics, Model Evaluation, Molecular Biology, Infectious Diseases, Medical Science and Research
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Survey Creation, Interviewing Skills, Data Collection, Research Design, Qualitative Research, Research, Cultural Sensitivity, Statistical Analysis
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Brainstorming, Root Cause Analysis, Collaborative Software, Business Analysis, Problem Management, Design Thinking, Business Process Management
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Medication Therapy Management, Pharmacotherapy, Pharmacology, Medical Prescription, Patient Education And Counseling, Pharmaceuticals, Drug Interaction, Value-Based Care, Utilization Management, Health Policy, Clinical Research, Patient Safety, Research Design, Epidemiology, Statistical Analysis
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Software Design Patterns, Java Programming, Java, Enterprise Architecture, Secure Coding, Application Servers, Software Design, Software Architecture, Application Security, Programming Principles, Security Assertion Markup Language (SAML), Dependency Analysis, System Programming, Web Applications, OS Process Management, Maintainability, Scalability
Intermediate · Specialization · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Sustainable Development, Cooperation, Discussion Facilitation, Collaboration, Research, Community Development, Creative Thinking, Community Outreach, Climate Change Adaptation, Student Engagement, Environmental Policy, Climate Change Mitigation, Education and Training
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Public Policies, Policy Development, Policy Analysis, Political Sciences, Advocacy, Environmental Policy, Behavioral Economics, Public Administration, Program Evaluation, Ethical Standards And Conduct, Governance, Systems Thinking, Economics
Build toward a degree
Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Architectural Drawing, AutoCAD, Engineering Drawings, Technical Drawing, Civil and Architectural Engineering, Blueprint Reading, Structural Engineering, Building Design, Construction
Mixed · Course · 3 - 6 Months

The Chinese University of Hong Kong
Skills you'll gain: Music, Performing Arts, Classical Music, Aesthetics, World Music, Music Performance, Music History, Art History, Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: File I/O, Integrated Development Environments, System Configuration
Beginner · Course · 3 - 6 Months
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AI Workflows, AWS SageMaker, Generative AI Agents, Generative AI, Amazon Web Services, AI Orchestration, Solution Architecture, Artificial Intelligence, Data Quality, Computer Vision, Scalability, Data Pipelines, Natural Language Processing
Beginner · Course · 1 - 4 Weeks