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 Illinois Urbana-Champaign
Skills you'll gain: Teaching, Differentiated Instruction, Pedagogy, Literacy, Instructional Strategies, Human Learning, Multilingualism, Culture, Digital pedagogy, Education and Training, Cultural Diversity, Learning Theory, Multimedia, Media and Communications
★ 4.6 (138) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, MySQL Workbench, Data Warehousing, Database Design, MySQL, Interactive Data Visualization, Data Modeling, Dashboard, Database Administration, Data Visualization Software, Database Development, Star Schema, Dashboard Creation, Database Management, Analytics, Database Architecture and Administration, Data Architecture, Databases, Snowflake Schema, Data Analysis
★ 4.4 (108) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Service Management, Information Technology Infrastructure Library, IT Service Management, IT Management, Business Relationship Management, Hospitality Services, Practice Management, Organizational Structure, Strategic Partnership, Information Management, Supplier Relationship Management, Supplier Management, Vendor Relationship Management, Process Management, Process Optimization, People Development
★ 4.8 (133) · Intermediate · Course · 1 - 4 Weeks

University of Cambridge
Skills you'll gain: AI literacy, Prompt Engineering Tools
★ 4.7 (65) · Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Process Improvement, Six Sigma Methodology, Lean Six Sigma, Knowledge Transfer, Process Improvement and Optimization, Continuous Improvement Process, Lean Methodologies, Quality Management, Functional Specification, Product Development, Statistical Methods, Design and Product, Probability & Statistics
★ 4.5 (53) · Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Product Roadmaps, AI Product Strategy, Technology Roadmaps, Product Strategy, User Story, Product Management, Product Planning, Stakeholder Management, Product Requirements, New Product Development, Stakeholder Engagement, Product Development, Functional Specification, Ideation, Stakeholder Communications, Responsible AI, Requirements Management, Innovation, Market Opportunities, Market Research
★ 4.8 (31) · Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Data Mining, Database Design, Scalability, Database Systems, Relational Databases, Unstructured Data, Transaction Processing, Database Architecture and Administration, Systems Design, Database Software, Big Data, Database Development, Data Architecture, NoSQL, Data Processing, Maintainability, Apache Hadoop
★ 4.3 (40) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Analytics, Marketing Effectiveness, Market Analysis, Competitive Analysis, Marketing, Key Performance Indicators (KPIs), Market Research, Target Audience, Target Market, Dashboard, Return On Investment, Value Propositions, Smart Goals, Business Strategy, Cross-Channel Marketing, Concision, Variance Analysis, Strategic Partnership, Data Collection, Strategic Decision-Making
★ 4.6 (85) · Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: digital literacy, Systems Design, Systems Development, Data Security, System Design and Implementation, Data Ethics, Cybersecurity, Information Technology, Information Privacy
★ 4.5 (54) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Customer Relationship Building, Conversion Funnel Analysis, Brand Loyalty, Driving engagement, Customer Retention, Order Delivery, Social Media Management, Social Media Analytics, Drive Engagement, Social Media Content, Target Market, Customer Relationship Management, Customer Engagement, Digital Media Strategy, E-Commerce, Digital Marketing, Business Marketing
★ 4.9 (64) · Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Security, Network Protocols, Network Performance Management, Network Architecture, Network Monitoring, Role-Based Access Control (RBAC), Network Troubleshooting, Network Administration, Computer Networking, TCP/IP, Network Planning And Design, Cybersecurity, Routing Protocols, Firewall, Network Routing, Network Analysis, IT Infrastructure, Cloud Computing, Automation
★ 4.8 (32) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Instagram, Content Creation, Graphic and Visual Design Software, Creative Design, Graphic Design, Digital Design, Graphic and Visual Design, Design, Social Media Marketing, Video Production, Social Justice
★ 4.6 (14) · Beginner · Guided Project · Less Than 2 Hours