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.

Board Infinity
Skills you'll gain: Test Planning, Software Testing, Configuration Management, Software Technical Review, Code Review, Software Quality Assurance, Risk Management, Verification And Validation, Quality Assurance, SonarQube, Human Factors
★ 4.4 (106) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Feasibility Studies, Systems Development, Process Modeling, Software Design Documents, Software Development Methodologies, Business Analysis, Functional Requirement, Software Design, Analysis, Business Process Modeling, Business Analysis Tools, Verbal Communication Skills, Communication, Software Development, Data Flow Diagrams (DFDs), Stakeholder Communications, Business Communication, Product Lifecycle Management, Stakeholder Engagement
★ 4.6 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Architectural Drawing, AutoCAD, Technical Drawing, Computer-Aided Design, Architecture and Construction, Drafting and Engineering Design, Architectural Design, Building Design
★ 4.9 (14) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Video Game Development, Animations, Event-Driven Programming, Animation and Game Design, Cinematography, Game Design, Storyboarding, 3D Assets, Programming Principles, Computer Graphics, Code Reusability, Computer Programming, Computational Logic
★ 4.2 (44) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Technologies, Sustainable Engineering, Sustainable Business, Energy and Utilities, Sustainable Development, Sustainable Systems, Corporate Sustainability, Strategic Leadership, Product Engineering, Initiative and Leadership, Electrical Power, Environmental Engineering, Waste Minimization, Packaging and Labeling, Product Lifecycle Management, Environmental Issue, Climate Change Mitigation, Electric Power Systems, Emerging Technologies
★ 4.5 (55) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Performance Stress Testing, Regression Testing, Software Quality (SQA/SQC), AI Integrations, Code Review, Scalability, Automation, Code Coverage, Software Technical Review, DevOps, Collaborative Software, Development Environment, Security Testing
★ 4.1 (48) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, electromagnetics, Image Quality, Engineering Calculations, System Requirements, Simulation and Simulation Software, Design Software, Systems Design, System Design and Implementation, Graphical Tools, Applied Mathematics, Physics, Spatial Analysis
★ 4.2 (66) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Decision Intelligence, Digital Transformation, GitHub Copilot, Generative AI, ChatGPT, Software Development Tools, AI literacy, Business Transformation, LLM Application, Program Development, AI Integrations, Operational Efficiency, Responsible AI, User Interface (UI) Design, Debugging
★ 4.6 (28) · Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Land Management, Environmental Science, Sustainable Systems, Sustainable Development, Natural Resource Management, Environmental Engineering and Restoration, Environmental Resource Management, Environment and Resource Management, Philanthropy, Social Studies, Climate Change Mitigation, Finance
★ 4.9 (180) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: ArcGIS, Data Storytelling, GIS Software, Spatial Data Analysis, Data Presentation, Geographic Information Systems, Spatial Analysis, Geospatial Mapping, Geospatial Information and Technology, Heat Maps, Data Visualization Software, Network Analysis, Data Manipulation, Network Routing
★ 4.5 (139) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Earned Value Management, Configuration Management, Communication Planning, Project Controls, Project Risk Management, Project Implementation, Project Management Life Cycle, Quality Assurance, Project Management, Risk Management, Communication Strategies, Conflict Management, Quality Assurance and Control, Product Quality (QA/QC), Strategic Communication, Risk Mitigation, Project Performance, Risk Analysis, Plan Execution, Stakeholder Communications
★ 5 (23) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Interviewing Skills, Professional Networking, Project Management, Web Presence, Applicant Tracking Systems, Project Management Institute (PMI) Methodology, Negotiation, Writing and Editing, Oral Expression
★ 4.8 (118) · Beginner · Course · 1 - 3 Months