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.

Skills you'll gain: Back-End Web Development, Django (Web Framework), Version Control, Git (Version Control System), API Testing, Web Development, Authentications, API Design, Application Development, Application Programming Interface (API), Restful API, Unit Testing, Test Tools, Database Development, MySQL, User Accounts, Web Applications, Databases
★ 4.6 (184) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Storyboarding, Storytelling, Canva (Software), Visual Storytelling, Graphical Tools, Animations, Graphic Design, Design and Product, Business, Marketing
★ 4.6 (207) · Intermediate · Guided Project · Less Than 2 Hours

Universitat de Barcelona
Skills you'll gain: Specimen Preparation, Specimen Processing, Laboratory Techniques, Materials science, Laboratory Equipment, Engineering, Scientific, and Technical Instruments, Biomedical Technology, Microbiology, Analytical Testing, Image Analysis, Structural Analysis, Systems Of Measurement
★ 4.7 (814) · Mixed · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Video Editing, Adobe Premiere, Post-Production, Animations, Photo/Video Production and Technology, Motion Graphics, Video Production, Timelines, Media Production, Graphic and Visual Design, Color Matching, Editing, Graphic Design, Music, Visual Storytelling, File Management
★ 4.7 (41) · Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: No-Code Development, Email Automation, Business Process Automation, Application Deployment, Automation, Business Process, Workflow Management, Google Workspace, Application Development, Application Performance Management, User Interface and User Experience (UI/UX) Design, Security Controls, Data Integration, Authorization (Computing), Application Design, Authentications, Cloud Applications, Scripting, Google Sheets, Application Lifecycle Management
★ 4.7 (196) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Digital Assets, Blockchain, Emerging Technologies, FinTech, Business Transformation, Digital Transformation, Systems Design, Organizational Structure, Case Studies, Scalability, Business Strategy, Governance
★ 4.6 (115) · Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Sustainable Development, Sustainable Systems, Design Thinking, Innovation, Environmental Science, Environmental Issue, Climate Change Programs, Sustainability Standards, Socioeconomics, Environment and Resource Management, Social Impact, Natural Resource Management, Social Justice, Climate Change Adaptation, Economic Development, Social Studies, Economics, Policy, and Social Studies, Climate Change Mitigation, Case Studies
★ 4.8 (699) · Beginner · Course · 1 - 3 Months

Skills you'll gain: No-Code Development, Mobile Development, Google Sheets, Application Development, Mobile Development Tools, Google Workspace, Application Design, Application Deployment, Development Testing, Spreadsheet Software, Data Structures, User Interface (UI), User Accounts, Persona (User Experience), Authentications, User Feedback, Web Development, Marketing
★ 4.5 (691) · Beginner · Guided Project · Less Than 2 Hours

University of Virginia Darden School Foundation
Skills you'll gain: Large Language Modeling, Customer Insights, Online Advertising, Digital Advertising, Marketing Planning, ChatGPT, Branding, Marketing Strategies, Design Thinking, Keyword Research, AI Product Strategy, Brand Marketing, Brand Awareness, Brand Strategy, Digital Marketing, Generative AI, Personalized Service, AI Personalization, Customer Communications Management, Machine Learning
★ 4.3 (157) · Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Security Strategy, Security Testing, Data Security, Application Security, Exploitation techniques, Software Design, C and C++, Linux Administration, System Design and Implementation, Java, Programming Principles, Cybersecurity
★ 4.5 (617) · Intermediate · Specialization · 3 - 6 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Drafting and Engineering Design, Mechanical Engineering
★ 4.8 (49) · Beginner · Course · 1 - 4 Weeks