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.

Coursera
Skills you'll gain: Timelines, Project Schedules, Calendar Management, Project Management, Time Management, Organizational Skills, Scheduling, Project Management Software, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Expense Reports, Expense Management, Payroll Processing, QuickBooks (Accounting Software), Data Entry, Payroll Administration, Accounts Payable, Accounting Records, Document Management, Vendor Relationship Management, Verification And Validation, Workflow Management, Compliance Management, Communication Planning
Beginner · Course · 1 - 3 Months

Yale University
Skills you'll gain: Research Design, Medical Science and Research, Statistical Methods, Descriptive Statistics, Data Literacy, Scientific Methods, Clinical Research, Research, Biostatistics, Data Collection, Sampling (Statistics), Medical Terminology, Correlation Analysis
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Power Platform, Excel Formulas, Process Flow Diagrams, Business Process Modeling, User Story, Business Requirements, Stakeholder Management, Data Modeling, Microsoft Excel, Software Development Life Cycle, Requirements Analysis, Requirements Elicitation, Quality Management, Diagram Design, Pivot Tables And Charts, Microsoft Visio, Power BI, Microsoft Power Automate/Flow, Business Analysis, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Storage, Infrastructure As A Service (IaaS), Google Cloud Platform, Cloud Computing Architecture, Cloud Computing, Virtual Networking, Virtual Machines, Network Architecture, Command-Line Interface, Firewall
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Application Design, Prompt Engineering, Large Language Modeling, Context Management, Software Design Patterns, Software Development, Python Programming
Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Debugging, File I/O, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Algorithms, Simulations, System Programming, Computer Programming, Data Structures, Software Development, Software Engineering, Command-Line Interface, Operating Systems, Development Environment, User Interface (UI), Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Deployment, Tensorflow, Recurrent Neural Networks (RNNs), BeeAI, Keras (Neural Network Library), Transfer Learning, Deep Learning, Convolutional Neural Networks, Responsible AI, Agentic systems, Artificial Intelligence, AI Security, Scalability, Applied Machine Learning, Machine Learning
Advanced · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Responsive Web Design, Color Theory, Version Control, Typography, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), GitHub, Git (Version Control System), Web Design, Web Design and Development, Web Development, Web Content Accessibility Guidelines, Front-End Web Development, Image Quality, Web Applications, Animations, Web Content, Mobile Development, User Interface (UI) Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computer Graphics, Software Architecture, Development Environment, Software Design, Maintainability, Software Design Patterns, Visualization (Computer Graphics), Cross Platform Development, Computer Graphic Techniques, Integrated Development Environments, Scalability, C++ (Programming Language), System Design and Implementation, Video Game Development, Program Development, Debugging, Performance Tuning, Data Flow Diagrams (DFDs), Software Installation, System Configuration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computer Vision, Image Analysis, Real Time Data, Python Programming, Development Environment, NumPy, Debugging, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning
Beginner · Course · 1 - 4 Weeks