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 Colorado System
Skills you'll gain: Windows Servers, Computer Security, Linux Administration, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Operating System Administration, OSI Models, User Accounts, Group Policy, Security Management, Ubuntu, System Monitoring, Cyber Security Policies, IT Management, Systems Administration, Cybersecurity
★ 4.6 (1.9K) · Beginner · Specialization · 3 - 6 Months

ESSEC Business School
Skills you'll gain: Hospitality Management, Hotels and Accommodations, Hospitality, Marketing Channel, Business Modeling, Revenue Management, Direct Selling, Wholesaling, Direct Marketing, Travel Arrangements, Booking (Sales), E-Commerce, Online Advertising, Web Analytics, Pay Per Click Advertising, Strategic Partnership, Branding, Marketing Strategies, Web Design and Development, Search Engine Marketing
★ 4.7 (1.5K) · Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Fine-tuning, MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Pandas (Python Package), AWS SageMaker, NumPy, Microsoft Azure, Hugging Face, GitHub Copilot, Unit Testing, Responsible AI, DevOps, Cloud Computing, Python Programming, Machine Learning, GitHub, Big Data, Data Management, Data Analysis
★ 4.2 (606) · Advanced · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface and User Experience (UI/UX) Design, Web Design, Typography, API Design, Web Applications, Digital Design, React.js, Javascript, Web Development
★ 4.7 (581) · Beginner · Specialization · 3 - 6 Months

Fractal Analytics
Skills you'll gain: Generative AI, ChatGPT, Responsible AI, AI literacy, Social Impact, Data Ethics, AI Personalization, Organizational Effectiveness, LLM Application, Large Language Modeling, Operational Efficiency, Human Centered Design, Ethical Standards And Conduct, Strategic Thinking, Problem Solving, Critical Thinking
★ 4.4 (464) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), Web Development, Web Applications, Application Development, Web Development Tools, Application Frameworks, Object-Relational Mapping, Database Application, Back-End Web Development, Software Development, Database Management, Python Programming, Computer Programming
★ 4.4 (557) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Relational Databases, Database Management Systems, SQL, Database Design, Databases, Database Administration, MySQL, NoSQL, Query Languages
★ 4.6 (679) · Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Systems Architecture, Systems Design, Systems Development, Functional Design, Requirements Analysis, System Requirements, Functional Requirement, Verification And Validation
★ 4.8 (292) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Human Capital, People Management, Management Training And Development, Human Resource Strategy, Staff Management, Leadership and Management, Human Relations Movement, Team Performance Management, Leadership Studies, Decision Making, Organizational Structure, Organizational Effectiveness, Organizational Change, Decisiveness, Organizational Leadership, Employee Performance Management, Performance Management, Team Motivation, Business Leadership, Change Management
★ 4.5 (2.6K) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Prioritization, Critical Thinking and Problem Solving, Security Awareness, Team Collaboration, Empathy & Emotional Intelligence, Teamwork, Active Listening, Stress Management, Problem Solving, Emotional Intelligence, Collaboration, Productivity, Courage, Personal Integrity, Workplace Bullying Intervention, Information Privacy, Accountability, Professionalism, Diversity Awareness, Diversity and Inclusion
★ 4.7 (528) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Unified Modeling Language, File I/O, System Programming, Visual Basic (Programming Language), System Software, Hardware Architecture, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Development Environment, Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Program Development, Computer Programming, Microsoft Development Tools
★ 4.6 (169) · Beginner · Specialization · 3 - 6 Months

CVS Health
Skills you'll gain: Active Listening, De-escalation Techniques, Greeting Customers, Customer Service, Cashiering, Empathy, Cross Selling, Retail Sales, Call Center Experience, Customer Support, Transaction Processing, Selling Techniques, Upselling, Retail Store Operations, Customer Complaint Resolution, Conflict Management, Product Knowledge, Team Oriented, Communication, Time Management
★ 4.6 (457) · Beginner · Professional Certificate · 3 - 6 Months