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 Boulder
Skills you'll gain: Market Research, Data-Driven Decision-Making, Consumer Behaviour, Business Research, Customer Analysis, Marketing Psychology, Market Analysis, Marketing, Marketing Planning, Behavioral Economics, Target Market, Customer Insights, Strategic Marketing, Marketing Strategies, Product Lifecycle Management, Business-To-Consumer, B2B Sales, Decision Making, Digital Marketing
★ 4.5 (11) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Figma (Design Software), Prototyping, Interactive Design, User Interface (UI), Interaction Design, User Interface and User Experience (UI/UX) Design, UI Components, User Experience Design, User Experience, User Flows, Animations
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Human Factors (Security), Security Awareness, Safety Culture, Computer Security Awareness Training, User Interface and User Experience (UI/UX) Design, Cyber Governance, Cyber Security Strategy, User Experience, Cyber Attacks, Security Strategy, Cyber Security Policies, Security Management, Usability, Cyber Risk, Cybersecurity, Cyber Security Assessment, Ethical Standards And Conduct, Network Security, Employee Training, Information Privacy
★ 4.9 (14) · Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Responsible AI, Generative Model Architectures, Generative AI, AI Security, Artificial Intelligence, AI literacy, Large Language Modeling, Amazon Web Services, Data Ethics, Retrieval-Augmented Generation, Image Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon CloudWatch, Network Troubleshooting, Continuous Monitoring, Identity and Access Management, Dynamic Host Configuration Protocol (DHCP), AWS Identity and Access Management (IAM), Encryption, Network Security, Routing Protocols, Virtual Networking, Network Routing, Network Architecture, Hybrid Cloud Computing, Event Monitoring, Amazon Web Services, Network Planning And Design, Security Controls, Cloud Security, Network Infrastructure, AWS CloudFormation
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Server Side, MongoDB, Back-End Web Development, Restful API, Full-Stack Web Development, Web Applications, Database Development, Frontend Integration, Web Development, JavaScript Frameworks, Database Management, Secure Coding, Application Programming Interface (API), Software Architecture, NoSQL, API Design, Authentications, Performance Tuning, Authorization (Computing)
★ 4.2 (6) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, LLM Application, Generative AI Agents, AI Workflows, LangChain, Model Context Protocol, Vector Databases, AI Orchestration, Agentic Workflows, Tool Calling, Artificial Intelligence and Machine Learning (AI/ML), LangGraph, Large Language Modeling, Agentic systems, Embeddings, Model Deployment, AI Integrations, Artificial Intelligence
★ 2 (6) · Intermediate · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Web Scraping, Restful API, Network Protocols, JSON, Extensible Markup Language (XML), Web Services, Data Access, TCP/IP, Application Programming Interface (API), Hypertext Markup Language (HTML), Python Programming, Software Installation
★ 4.2 (12) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Keyword Research, Search Engine Optimization, Generative AI, AI Integrations
★ 4.6 (39) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Analysis, Marketing Planning, Marketing Strategies, Strategic Marketing, Global Marketing, Performance Improvement, Product Marketing, Market Analysis, Product Strategy, Case Studies, Marketing, Competitive Analysis, Brand Marketing, Strategic Planning, Business Strategy, Market Opportunities, Logistics
★ 5 (12) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Sales Presentation, Presentations, Sales Presentations, Product Demonstration, Microsoft PowerPoint, Microsoft Office, Customer Analysis, Competitive Analysis, Productivity Software, Business Communication, Value Propositions
★ 4.8 (38) · Beginner · Guided Project · Less Than 2 Hours

Pearson
Skills you'll gain: Zero Trust Network Access, Cybersecurity, Cyber Security Strategy, Cyber Security Assessment, IT Security Architecture, Computer Security, Security Architecture Review, Network Security, Security Strategy, Enterprise Architecture, Cloud Security
Intermediate · Course · 1 - 4 Weeks