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 Illinois Urbana-Champaign
Skills you'll gain: Certified Public Accountant, Labor Law, Commercial Laws, Regulation and Legal Compliance, Bankruptcies, Organizational Structure, Business, Legal Writing, Contract Management, Sales
Build toward a degree
Intermediate · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Global Positioning Systems, Human Factors, Manufacturing and Production, Digital Transformation, Environmental Monitoring, Control Systems, Structural Engineering, Aerospace Basic Quality System Standards, Manufacturing Processes, Production Process, Automation, Engineering Analysis, Leadership, Image Analysis, Communication Systems, Industrial Engineering, Human Machine Interfaces, Robotics, Cybersecurity, Mathematical Modeling
Intermediate · Specialization · 3 - 6 Months

Deep Teaching Solutions
Skills you'll gain: Lifelong Learning, Learning Strategies, Collaboration, Productivity, Willingness To Learn, Human Learning, Mental Concentration, Time Management, Creativity, Growth Mindedness, Cognitive flexibility, Self-Awareness
Mixed · Course · 1 - 3 Months

Emory University
Skills you'll gain: Conflict Management, Mediation, Empathy, Collaboration, Communication Strategies, Self-Awareness, Active Listening, Adaptability, Communication
Beginner · Course · 1 - 3 Months

Universidade Estadual de Campinas
Skills you'll gain: Data Synthesis, Data Collection, Research, Research Design, Research Reports, Research Methodologies, Clinical Research, Quantitative Research, Peer Review, Statistical Methods, Data Quality, Report Writing, Epidemiology, Statistical Analysis, Qualitative Research, Risk Analysis
Intermediate · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Storytelling, Writing and Editing, Content Creation, Journals, Writing, Organizational Skills, Editing, Personal Development, Self-Awareness, Overcoming Obstacles, Creativity, English Language, Detail Oriented
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Programming, File I/O, Object Oriented Programming (OOP), Application Frameworks, Debugging, Data Persistence, Data Structures
Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Business Writing, Concision, Organizational Skills, Personal Development, Keyword Research, Peer Review, Action Oriented, Talent Recruitment, Detail Oriented
Mixed · Course · 1 - 3 Months

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Object Oriented Design, Case Studies, Business Systems Analysis, Software Engineering, Business Systems, Object Oriented Programming (OOP), Software Design, Systems Design, Business Modeling, System Design and Implementation, Complex Problem Solving, Strategic Decision-Making
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Content Strategy, Competitive Analysis, Forecasting, Content Performance Analysis, Expectation Management, Relationship Management, Content Marketing, Content Creation, Marketing, A/B Testing, Key Performance Indicators (KPIs), Goal Setting, Internal Auditing
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Project Schedules, Project Risk Management, Scheduling, Construction Management, Timelines, Lean Methodologies, Architecture and Construction, Construction Engineering, Milestones (Project Management), Diagram Design, Project Management Software, Work Breakdown Structure, Resource Allocation, Dependency Analysis
Beginner · Course · 3 - 6 Months