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 Toronto
Skills you'll gain: Apple iOS, Swift Programming, iOS Development, Model View Controller, Apple Xcode, Mobile Development, User Interface (UI), Application Design, Application Development, Objective-C (Programming Language), UI Components, Animations, User Interface and User Experience (UI/UX) Design, Object Oriented Programming (OOP), Application Frameworks, Interaction Design, Programming Principles, Data Persistence, Integrated Development Environments, Persistence
Intermediate · Specialization · 3 - 6 Months

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Teaching, Digital pedagogy, Learning Management Systems, Education Software and Technology, Planning, Technology Strategies, digital literacy, Technical Communication, Content Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Databases, User Interface and User Experience (UI/UX) Design, Database Theory, Application Frameworks, TypeScript
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Test Tools, File Management, Cascading Style Sheets (CSS), Test Automation, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Web Scraping, Data Validation, Test Case, Web Development Tools, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unity Engine, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Augmented and Virtual Reality (AR/VR), Animations, Video Game Development, Performance Tuning, Image Quality, Debugging
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Responsible AI, Containerization, Scalability, AI Orchestration, Application Deployment, Kubernetes, Azure Active Directory, System Monitoring, AI Workflows, Agentic systems, Artificial Intelligence, Microsoft 365, Microservices, Generative AI Agents, Enterprise Architecture, Microsoft Azure, AI Security, Enterprise Security, Role-Based Access Control (RBAC), Coordination
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Graph Theory, Data Structures, Operations Research, Public Key Cryptography Standards (PKCS), Cryptography, Programming Principles, Computational Thinking, Pseudocode, Design Strategies, Data Encryption Standard, Computer Science, Tree Maps, Encryption, Linear Algebra, Combinatorics, Mathematical Modeling, Advanced Mathematics, Python Programming
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Prompt Engineering, Generative AI, Generative AI Agents, Marketing Design, Web Content Accessibility Guidelines, Marketing Materials, Brand Awareness, Marketing, Advertising Campaigns, Branding, Search Engine Optimization, Marketing Analytics, AI Workflows, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Deployment, Convolutional Neural Networks, Google Cloud Platform, Natural Language Processing, Tensorflow, MLOps (Machine Learning Operations), Reinforcement Learning, Transfer Learning, Computer Vision, Systems Design, Machine Learning Methods, Applied Machine Learning, Image Analysis, AI Personalization, Cloud Deployment, Recurrent Neural Networks (RNNs), Hybrid Cloud Computing, Systems Architecture, Performance Tuning, Embeddings
Advanced · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Apache Spark, Model Evaluation, Apache Hadoop, Data Integration, Exploratory Data Analysis, Big Data, Classification Algorithms, Graph Theory, Data Pipelines, Database Design, Data Modeling, Regression Analysis, Data Mining, Data Management, Applied Machine Learning, Data Preprocessing, Data Presentation, Scalability, Data Processing, MongoDB
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Photo Editing, Adobe Photoshop, Image Quality, File Management, Adobe Creative Cloud, Photography, Graphics Software, Design Elements And Principles, Editing, Graphic and Visual Design Software, Color Matching, Computer Graphic Techniques, Productivity Software, User Interface (UI)
Mixed · Course · 1 - 3 Months

Skills you'll gain: International Financial Reporting Standards, Business Valuation, Consolidation, Technical Accounting, Financial Reporting, Financial Analysis, Financial Accounting, Mergers & Acquisitions, Financial Statement Analysis, Income Statement, Accounting, Balance Sheet
Intermediate · Course · 1 - 4 Weeks