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.

University of California, Santa Cruz
Skills you'll gain: Business Communication, Entrepreneurship, Social Media Marketing, Search Engine Optimization, Web Design and Development, Marketing, Workflow Management, Business Planning, E-Commerce, Project Management, Business Strategy, Business Process, Branding, Invoicing, Customer Relationship Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Adobe Premiere, Animations, Post-Production, Motion Graphics, Video Production, Graphic and Visual Design
Beginner · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Applied Mathematics, Operations Research, Mathematical Modeling, Enterprise Modeling, Network Model, Statistical Modeling, Combinatorics, Functional Design, Mathematical Software, Computational Thinking, Graph Theory, Algorithms, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: White-Box Testing, Test Planning, Test Case, Software Testing, Debugging, Functional Testing, Software Documentation, Software Quality Assurance, Development Testing, Test Data, Issue Tracking, Software Technical Review, Quality Assurance, Development Environment, Technical Communication
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Molecular, Cellular, and Microbiology, Science and Research, Biology, Scientific Methods, Experimentation, Laboratory Techniques, Research Design, Laboratory Equipment, Biotechnology, Cell Biology, Life Sciences, Verification And Validation
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Information Architecture, User Experience Design, Persona (User Experience), Usability Testing, Interviewing Skills, Wireframing, Content Creation, Storytelling
Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Web Components, LESS, Web Development, Semantic Web, Web Content Accessibility Guidelines, Scalability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Verification And Validation, Security Controls, User Accounts, Configuration Management, Package and Software Management, Cybersecurity, Data Loss Prevention, Identity and Access Management, Software Installation, Middleware, Debugging, Computer Programming, Information Technology, Dependency Analysis
Beginner · Course · 1 - 3 Months

Goodwill Industries International
Skills you'll gain: digital literacy, Training Programs, Relationship Building, Community Development, Community Outreach, Curriculum Planning, Needs Assessment, Program Evaluation, Planning, Collaboration, Resourcefulness, Data Mapping, Cultural Sensitivity
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Social Media Marketing, Social Media Management, Social Media Strategy, Social Media Campaigns, Brand Management, Campaign Management, Instagram, Content Creation, Performance Analysis, Web Analytics, Target Audience, Digital Advertising, Brand Awareness, Advertising Campaigns, Facebook, Digital Marketing, Pinterest, LinkedIn, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Human Computer Interaction, Prototyping, Usability, User Experience, User Interface (UI) Design, Interaction Design, User Centered Design, Human Factors, User Research, Design Thinking, Information Architecture
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, File I/O, Algorithms, Data Structures, Encryption, Computer Programming, Software Engineering, Data Preprocessing, Cryptography, Web Applications, Debugging
Beginner · Course · 1 - 3 Months