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.

Microsoft
Skills you'll gain: Extract, Transform, Load, Data Cleansing, Power BI, Data Transformation, Data Management, Data Quality, Data Preprocessing, Data Wrangling, Data Processing, Data Maintenance, Data Integration, Data Integrity, Data Analysis, Data Storage
★ 5 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Web Development Tools, Development Environment, Frontend Integration, Software Development Tools, Program Development, Integrated Development Environments, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Event-Driven Programming, Development Testing, Javascript, Network Architecture
★ 5 (50) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Manufacturing and Production, Manufacturing Operations, Production Process, Manufacturing Processes, Process Control, Production Planning, Lean Manufacturing, Production Management, Lean Methodologies, Operational Efficiency, Continuous Improvement Process, Sustainable Business, Collaboration, Innovation, Adaptability, Communication
★ 4.6 (29) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Development Tools, Web Design and Development, Web Design, Semantic Web, Web Content, Web Development
★ 4.7 (6) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Program Development, Debugging, Programming Principles, Python Programming, Computer Programming, Computational Logic, Game Design, Interactive Design, Design and Product, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Business Process Modeling, Process Analysis, Business Process Improvement, Process Design, Business Process Management, Process Improvement, Lean Methodologies, Systems Thinking, Lean Six Sigma, Change Management, Quality Improvement, Process Flow Diagrams, Six Sigma Methodology, Stakeholder Analysis, Agile Methodology, Matrix Management, Dataflow, Prioritization, Generative AI
★ 4.5 (11) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Hibernate (Java), Java Programming, Spring Boot, Java, Object-Relational Mapping, Database Management, Application Frameworks, Data Access, Apache Maven, SQL, Object Oriented Programming (OOP), Data Persistence, Functional Design
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: System Programming, Rust (Programming Language), Data Structures, Memory Management, Relational Databases, Other Programming Languages, Databases, Data Access, C (Programming Language), Programming Principles, Application Development, Code Reusability, Object Oriented Programming (OOP), C++ (Programming Language), Interoperability, Systems Integration, File I/O, Command-Line Interface, Program Development, Software Development
★ 3.9 (8) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Retail Management, Retail Store Operations, Merchandising, Customer Analysis, Customer Insights, Market Intelligence, Business Strategies, Competitive Analysis, Business Management, Organizational Strategy, Consumer Behaviour, Inventory Management System, Market Analysis, Case Studies, Market Share, Strategic Decision-Making, Sustainable Business, Intellectual Property, Financial Analysis, Geographic Information Systems
★ 5 (46) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Containerization, AWS CloudFormation, Infrastructure as Code (IaC), Amazon CloudWatch, CI/CD, Kubernetes, Cloud Deployment, Cloud-Native Computing, Cloud Infrastructure, Application Deployment, Serverless Computing, Software Development Life Cycle, Systems Development Life Cycle, Configuration Management, Disaster Recovery, Continuous Deployment, Amazon Elastic Compute Cloud, DevOps, API Gateway
★ 4.4 (32) · Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Model Context Protocol, Token Optimization, AI Workflows, Generative AI Agents, Agentic Workflows, AI Orchestration, Agentic systems, Tool Calling, Context Engineering, Artificial Intelligence and Machine Learning (AI/ML), AI Security, AI Enablement, Prompt Patterns, Prompt Engineering, ChatGPT, AI Personalization, AI Product Strategy, Anthropic Claude, Multimodal Prompts, Generative AI
★ 4.6 (17) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Management Systems, NoSQL, Database Design, Systems Architecture, Transaction Processing
Intermediate · Course · 1 - 3 Months