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: Semiconductors, Display Devices, Computer Displays, Systems Design, Electrical Engineering, Technical Design, Electronics, Electronics Engineering, Engineering, Scientific, and Technical Instruments, Hardware Design, Electronic Components, Electrical and Computer Engineering, Materials science, Image Quality, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Performance Testing, Physics
★ 3.8 (119) · Advanced · Specialization · 3 - 6 Months
Xi'an Jiaotong University
Skills you'll gain: Microsoft SQL Servers, ASP.NET, File I/O, User Interface (UI), System Testing, Database Design, SQL, C# (Programming Language), Object Oriented Programming (OOP), Relational Databases, .NET Framework, Program Development, Operating Systems, Hypertext Markup Language (HTML), User Interface (UI) Design, Database Management, Object Oriented Design, Database Theory, Computer Systems, Programming Principles
★ 4.4 (112) · Beginner · Specialization · 3 - 6 Months

Yonsei University
Skills you'll gain: Apache Spark, Augmented Reality, Cloud Computing Architecture, Big Data, Wireless Networks, SPSS (Software), SPSS, Augmented and Virtual Reality (AR/VR), Cloud Computing, Cloud Services, Internet Of Things, Live Streaming, Cloud Platforms, Analytics, Telecommunications, Multimedia, Emerging Technologies, Mobile Development, Apple iOS, Display Devices
★ 4.7 (2.2K) · Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Health Technology, Data Presentation, Data Visualization Software, Telehealth, Agile Methodology, Interactive Data Visualization, Health Disparities, Health Informatics, Health Care Procedure and Regulation, Health Systems, Electronic Medical Record System, Electronic Medical Record, Health Equity, Interoperability, Public Health, Digital Analysis, Tableau Software, Data Ethics, Digital Transformation, User Centered Design
★ 4.6 (368) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Data-Driven Marketing, Customer Retention, Email Automation, Marketing Automation, HubSpot CRM, Marketing Strategies, Customer Analysis, Marketing Analytics, Customer Relationship Management (CRM) Software, Target Audience, Email Marketing, Data-Driven Decision-Making, Brand Loyalty, Customer Insights, B2B Sales, Marketing Effectiveness, Data Cleansing, Lead Generation, Growth Strategies, E-Commerce
Intermediate · Specialization · 3 - 6 Months

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, IT Security Architecture, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Threat Management, Cloud Services, Data Security, Network Planning And Design, Firewall, Cloud Security, OSI Models, Network Protocols, Network Model
★ 4.7 (256) · Beginner · Course · 1 - 3 Months

Skills you'll gain: GitLab, CI/CD, Version Control, Continuous Integration, DevSecOps, Continuous Delivery, Git (Version Control System), GitHub, Devops Tools, DevOps, Continuous Deployment, Package and Software Management, Infrastructure as Code (IaC), Docker (Software), Containerization, Code Review, Application Deployment, Data Pipelines, AWS Identity and Access Management (IAM), Data Integration
Intermediate · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Science and Research, Research, Research Design, Scientific Methods, Psychological Evaluations, Quantitative Research, Research Methodologies, Qualitative Research, Experimentation, Tenacity, Program Evaluation, Personal Attributes, Persistence, Data Collection, Journals, Surveys, Statistical Methods, Reliability
★ 4.4 (1.2K) · Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Branding, Brand Strategy, Marketing and Public Relations, Photo/Video Production and Technology, Entrepreneurship, Content Creation, Video Production, Copywriting, Business Modeling, Public Relations, Presentations, Customer Engagement, Value Propositions, Proposal Development, Web Design and Development, Business Planning, Photography, Web Presence, Marketing Strategies, Content Strategy
★ 4.7 (881) · Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Prompt Engineering, Anthropic Claude, Claude Code, Prompt Patterns, Context Engineering, AI literacy, Google Workspace, AI Enablement, AI Personalization, Office Administration, Vibe coding, Productivity Software, Workflow Management, Agentic Workflows, Administrative Support and Clerical Tasks, Business Workflow Analysis, OpenAI, AI Workflows, Generative AI Agents, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, AI Enablement, Decision Intelligence, Governance, AI Security, Governance Risk Management and Compliance, Risking, Cyber Governance, Data Governance, Enterprise Architecture, Data Strategy, Data Ethics, Compliance Training, AI Workflows, Return On Investment, Security Controls, Accountability Frameworks, Security Strategy, Information Technology, Business
Beginner · Course · 1 - 3 Months