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: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Brute-force attacks, Scripting, Authentications, Vulnerability Assessments, Python Programming, Data Access, System Monitoring, Systems Analysis, Automation
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Graph Theory, Data Structures, Microsoft Copilot, .NET Framework, Algorithms, Back-End Web Development, C# (Programming Language), Performance Tuning, Programming Principles, Server Side, Scalability, Application Performance Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Systems Thinking, Creative Thinking, Innovation, Systems Analysis, Complex Problem Solving, Analysis, Business Systems Analysis, Strategic Thinking, Critical Thinking, Organizational Change, Decision Making, Collaboration, Data Visualization
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Responsible AI, Culture Transformation, Innovation, Organizational Change, Design Thinking, Business Transformation, Strategic Leadership, Product Lifecycle Management, Global Marketing, Entrepreneurship, Business Communication, Artificial Intelligence, Change Management, Organizational Leadership, Business Modeling, Generative AI, AI Product Strategy, Machine Learning, Business Strategy, Strategic Planning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Product Design, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Sustainable Architecture, Waste Minimization, Environmental Engineering, Water Sustainability, Sustainable Design, Environment and Resource Management, Water Resource Management, Energy and Utilities, Sustainable Technologies, Building Codes, HVAC, Construction, Stormwater Management, Architectural Engineering, Building Design, Construction Management
Intermediate · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Sustainable Development, Public Health, Health Policy, Social Determinants Of Health, Community Development, Gerontology, Landscape Architecture, Climate Change Adaptation, Demography, Environmental Issue, Traffic Flow Optimization, Pollution Prevention
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Generative AI Agents, Tool Calling, Agentic systems, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction Engineering, Laboratory Testing, Construction, Construction Inspection, Production Process, Construction Management, Manufacturing Operations, Plant Operations and Management, Manufacturing Processes, Civil Engineering, Commercial Construction, Safety Assurance, Product Testing, Engineering Plans And Specifications, Materials science, Structural Engineering, Sustainable Engineering, Manufacturing Standards, Design Specifications, Analytical Testing
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Engineering Analysis, Simulations, Mechanical Design, Process Engineering, Engineering, Verification And Validation
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Sustainable Development, Transportation Operations, Case Studies, Economic Development, Land Management, Growth Strategies, Community Development, Geographic Information Systems, Environment and Resource Management, Stakeholder Engagement
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: SQL, Oracle Databases, PL/SQL, Database Management, Relational Databases, Database Design, Databases, Data Modeling
Beginner · Course · 1 - 4 Weeks