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.

Simplilearn
Skills you'll gain: AI Product Strategy, Generative AI, Miro AI, Product Lifecycle Management, Marketing Materials, Product Roadmaps, Go To Market Strategy, ChatGPT, Product Improvement, Marketing Collateral, Copywriting, User Feedback, Competitive Analysis, Customer Insights, Market Research, Marketing Strategies, Strategic Thinking, Market Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Components, Web Design, UI Components, Code Reusability, Web Analytics and SEO, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HubSpot CRM, Customer Relationship Management (CRM) Software, Social Media Marketing, Market Research, Surveys, Marketing Automation, Digital Marketing Tools, Marketing, Customer Relationship Management, Content Scheduling, Brand Awareness, Social Media Management, Social Media, Marketing Effectiveness, Research Methodologies, Market Analysis, Customer Data Management, Customer Communications Management, Content Management, Analytics
Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Social Determinants Of Health, Social Impact, Sustainable Design, Climate Change Mitigation, Energy and Utilities
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Deepseek, DeepSeek API, LLM Application, Model Deployment, Generative AI Agents, Prompt Engineering, AI Workflows, Tool Calling, OpenAI, AI Orchestration, Agentic Workflows, Large Language Modeling, Fine-tuning, Prompt Patterns, Legal Technology, Model Optimization, Model Training, Gemini, Deep Learning, Cloud Platforms
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Go (Programming Language), Data Structures, Programming Principles, System Programming, Development Environment, Computational Logic, Program Development, Software Installation
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Product Development, New Product Development, Risk Management, Project Risk Management, Product Design, Innovation, Healthcare Industry Knowledge, Healthcare Project Management, Business Risk Management, Stakeholder Engagement, Health Systems, Risk Analysis, Stakeholder Communications, Stakeholder Management, Demand Planning, Market Opportunities, Health Policy, Project Management, Financial Analysis, Project Planning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Transfer Learning, Model Optimization, Convolutional Neural Networks, Deep Learning, Keras (Neural Network Library), Fine-tuning, Tensorflow, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), PyTorch (Machine Learning Library), Image Analysis, Model Training, Machine Learning Methods, Applied Machine Learning, Natural Language Processing
Intermediate · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Cultural Diversity, Diversity Training, Cross-Functional Team Leadership, Cultural Sensitivity, Management Training And Development, Cultural Responsiveness, Leadership Studies, Business Ethics, Knowledge Transfer, Organizational Leadership, Workforce Development, Culture, Research Design, Research Methodologies, Research, Organizational Development, Leadership and Management, Talent Management, Critical Thinking and Problem Solving, Critical Thinking
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Compensation Analysis, Dashboard Creation, Microsoft Excel, Employee Retention, People Analytics, Training and Development, Compensation Management, Recruitment, Excel Macros, Spreadsheet Software, Talent Recruitment, Payroll, Employee Training, Data Visualization, Compensation Strategy, Training Programs, Human Resource Strategy, Workforce Planning, Human Resource Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: API Design, Application Programming Interface (API), Restful API, Postman API Platform, Flask (Web Framework), MySQL, API Testing, Database Development, Databases, Back-End Web Development, Software Versioning, Software Development, Design
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Due Diligence, Business Valuation, Entrepreneurship, Fundraising and Crowdsourcing, Business Ethics, Sales Strategy, Contract Negotiation, Grant Applications, Price Negotiation, Environmental Social And Corporate Governance (ESG), Legal Risk, Tax Management, Tax, Risk Management, Organizational Structure, Research and Design
Intermediate · Course · 1 - 3 Months