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.

EDUCBA
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, File I/O, Application Development, Computer Programming, User Interface (UI), Programming Principles, Databases, System Design and Implementation, Integrated Development Environments, SQL, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Organizational Change, Change Management, Business Transformation, Organizational Leadership, Organizational Strategy, Business Leadership, Strategic Leadership, Organizational Structure, Leadership, Leadership Development, Cross-Functional Collaboration, Stakeholder Engagement, Employee Engagement, Team Building, Communication Strategies, Lifelong Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Photography, Adobe Photoshop, Color Theory, Image Quality, Adobe Creative Cloud, Data Import/Export, Editing
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Professional Development, Web Development, Javascript, GitHub
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Diversity and Inclusion, Workplace inclusivity, Diversity Equity and Inclusion Initiatives, Diversity Awareness, Organizational Effectiveness, Organizational Leadership, Competitive Intelligence, Sociology, Business Leadership, Social Justice, Cultural Diversity, Entrepreneurship, Empowerment, Action Oriented, Leadership, Self-Awareness, Innovation, World History, Human Resource Policies, Critical Thinking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Performance Tuning, Embedded Systems, Application Security, System Programming, Digital Signal Processing, Security Engineering, Computer Architecture, Hardware Architecture
Advanced · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Storytelling, Social Media Content, Creative Design, Style Guides, Graphic Design, Content Creation, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: Generative AI Agents, AI Orchestration, LLM Application, OpenAI API, Java Programming, AI Workflows, Agentic systems, Generative AI, Prompt Patterns, Prompt Engineering, Large Language Modeling, Document Management, Secure Coding, Business Logic, Open Web Application Security Project (OWASP), Middleware, Plan Execution, Software Design Patterns, Persona Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Development, Web Design and Development, Web Applications, Data Structures, Javascript, Programming Principles, Object Oriented Programming (OOP), Computational Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Sales Presentations, Sales Presentation, Data Visualization, Productivity Software, Design
Beginner · Guided Project · Less Than 2 Hours

Multiple educators
Skills you'll gain: Sustainable Business, Sustainable Development, Organizational Leadership, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Systems Thinking, Brand Marketing, Change Management, Strategic Leadership, Professional Development, Waste Minimization, Packaging and Labeling, Environment and Resource Management, Business Leadership, Regulatory Compliance, Engineering Management, Market Opportunities, Key Performance Indicators (KPIs), Emerging Technologies, Digital Marketing
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: ASP.NET, .NET Framework, Responsive Web Design, HTML and CSS, C# (Programming Language), Web Applications, Web Development, Javascript and jQuery, UI Components, Application Frameworks, Bootstrap (Front-End Framework), Development Environment, Restful API, Microsoft Development Tools, React Redux, Model View Controller, Middleware
Intermediate · Course · 1 - 3 Months