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.

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate Ā· Course Ā· 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Creative Thinking, Cognitive flexibility, Critical Thinking and Problem Solving, Brainstorming, Problem Solving, Ideation, Decision Making, Complex Problem Solving, Innovation, Overcoming Obstacles, Staff Management, Collaboration, Leadership, Employee Engagement
Beginner Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Restful API, Postman API Platform, API Design, Application Programming Interface (API), API Testing, Authentications, Object-Relational Mapping, Development Environment, Microsoft Development Tools, Microsoft Visual Studio, Web Development Tools, Authorization (Computing), Endpoint Security, Data Validation
Intermediate Ā· Course Ā· 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Corporate Tax, Income Tax, Tax Laws, Liquidation, Tax Planning, Tax Compliance, Mergers & Acquisitions, Capital Expenditure, Organizational Structure, Depreciation, Business Analysis
Build toward a degree
Intermediate Ā· Course Ā· 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Typography, Graphic Design, Visual Design, Design Elements And Principles, Creative Design, Layout Design, Photo Editing, Color Theory, Creativity
Beginner Ā· Course Ā· 1 - 4 Weeks

Board Infinity
Skills you'll gain: Make.com, Email Automation, DeepSeek API, Deepseek, Workflow Management, AI Workflows, No-Code Development, User Interface (UI), LLM Application, Operational Efficiency, Human Computer Interaction, AI Enablement, Application Design, Large Language Modeling, Retrieval-Augmented Generation, Automation, Application Programming Interface (API), Natural Language Processing, Prompt Engineering, Debugging
Intermediate Ā· Specialization Ā· 1 - 3 Months

Skills you'll gain: Canva (Software), Storytelling, Color Theory, Data Sharing, Organizational Skills, Graphic and Visual Design, Graphic Design, Design, Creative Design, Dashboard, User Accounts, Design Elements And Principles, Marketing
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

University of California San Diego
Skills you'll gain: Bioinformatics, Graph Theory, Epidemiology, Infectious Diseases, Program Development, Molecular Biology, Computational Thinking, Algorithms, Software Development
Advanced Ā· Course Ā· 1 - 4 Weeks

Coursera
Skills you'll gain: Product Lifecycle Management, Product Flow Diagram, Competitive Analysis, Product Strategy, Innovation, Design Thinking, Process Flow Diagrams, Ideation, New Product Development, Customer Insights, Go To Market Strategy, Product Management, Product Development, Product Planning, Strategic Prioritization, AI Product Strategy, Market Analysis, Prototyping, Generative AI, Strategic Planning
Beginner Ā· Specialization Ā· 1 - 3 Months

Skills you'll gain: Solution Design, Project Management, Project Implementation, Project Closure, Technical Consulting, Stakeholder Analysis, Requirements Analysis, Customer Engagement, Test Planning, Peer Review, SAP Applications, Customer Analysis, Project Documentation, Gap Analysis, Needs Assessment, Business Requirements, Business Transformation
Beginner Ā· Course Ā· 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, AI Orchestration, Agentic systems, Development Environment, AI Enablement, Model Evaluation, OpenAI, Scalability, Programming Principles, Application Design, Performance Tuning, Design
Intermediate Ā· Course Ā· 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Building Codes, Construction Inspection, Electrical Systems, Electrical Safety, Architectural Engineering, Land Development, Design Reviews, Submittals (Construction), System Requirements
Intermediate Ā· Course Ā· 1 - 3 Months