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 California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Graph Theory, C (Programming Language), Artificial Intelligence, Algorithms, Debugging, Data Structures, Game Design, Software Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, Code Review, Database Design, SQL, Data Access, Data Manipulation, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Maven Analytics
Skills you'll gain: Unsupervised Learning, Model Evaluation, Regression Analysis, Exploratory Data Analysis, Applied Machine Learning, Time Series Analysis and Forecasting, Data Analysis, Classification Algorithms, Statistical Analysis, Data Science, Data Preprocessing, Data Mining, Machine Learning, Predictive Modeling, Machine Learning Algorithms, Customer Analysis, Supervised Learning, Histogram, Data Quality, Business Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Statistical Methods, Advanced Analytics, Statistical Analysis, Correlation Analysis, Data Analysis, Report Writing, Probability & Statistics, Analytical Skills, Data-Driven Decision-Making, Health Information Management and Medical Records, Business Process Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interaction Design, Computer Graphics
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Process Mapping, Diagram Design, Data Visualization, User Accounts, Graphic Design, Account Management, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Alberta Machine Intelligence Institute
Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Vision Transformer (ViT), Image Analysis, Embeddings, Autoencoders, Convolutional Neural Networks, Computer Vision, Responsible AI, Music, Recurrent Neural Networks (RNNs)
Mixed · Course · 1 - 4 Weeks

The Open University
Skills you'll gain: Sustainable Business, Sustainable Development, Innovation, Environmental Social And Corporate Governance (ESG), Stakeholder Engagement, Business Continuity, Environmental Issue, Social Impact, Business Ethics, Business Architecture, Systems Thinking, Business Modeling, Complex Problem Solving
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Marketing Operations, Operations Management, Technical Management, Marketing Management, Media Planning, Marketing Strategies, Customer Relationship Management, Sales Management, Marketing and Public Relations, Verbal Communication Skills, Supply Chain Management, Branding, Marketing Budgets, Supply Chain, Loyalty Programs, Business Operations, Presentations, Financial Forecasting, Brand Management, Forecasting
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Network Analysis, Social Network Analysis, Marketing Analytics, Unstructured Data, Semantic Web, Statistical Methods, Text Mining, Data Structures, JSON, Natural Language Processing, Data Visualization Software, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Construction Engineering, Structural Engineering, Construction, Civil Engineering, Engineering Practices, Structural Analysis, Engineering Design Process, Architecture and Construction, Engineering, Engineering Calculations, Maintenance, Repair, and Facility Services, Property Maintenance, Continuous Monitoring, Failure Analysis, Environmental Monitoring
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: TypeScript, React.js, UI Components, Javascript, Software Design Patterns
Advanced · Guided Project · Less Than 2 Hours