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: Extensible Markup Language (XML), Data Import/Export, Data Mapping, Document Management, Web Content Accessibility Guidelines
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Materials, Marketing Design, Typography, Graphic and Visual Design Software, Graphic Design, Promotional Materials, Advertising, Presentations, Marketing, Social Media Content, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Clinical Documentation, Responsible AI, Agentic Workflows, Healthcare Project Management, Data Governance, AI Security, Clinical Research, Regulatory Compliance, Data Validation, Health Informatics, Artificial Intelligence, Agentic systems, Data Ethics, Clinical Data Management, Automation, Decision Support Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Information System (HRIS), Systems Administration, System Configuration, Organizational Structure, Payroll Administration, Oracle Databases, Workforce Management, Benefits Administration, Payroll, Payroll Processing, Employee Training, Expense Management, User Accounts, Data Validation, Data Entry, Scheduling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MITRE ATT&CK Framework, AI Security, Cyber Threat Intelligence, Cybersecurity, Threat Modeling, Threat Detection, Responsible AI, Artificial Intelligence, Anomaly Detection, Data Ethics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Full-Stack Web Development, Restful API, .NET Framework, UI Components, Back-End Web Development, Object-Relational Mapping, Application Frameworks, Model View Controller, User Interface (UI), Data Modeling, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Collaborative Software, Motion Graphics, Graphic and Visual Design Software, Design, Business Process, Advertising
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Prompt Engineering, Generative AI, Generative AI Agents, Marketing Design, Web Content Accessibility Guidelines, Marketing Materials, Brand Awareness, Marketing, Advertising Campaigns, Branding, Search Engine Optimization, Marketing Analytics, AI Workflows, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Case Studies, Capacity Management, Cloud Computing, Resource Management, Cloud Solutions, Process Optimization, Cloud Computing Architecture, Cloud Infrastructure, Cloud Security, Solution Architecture, Analysis, Safety Standards, Compliance Management, Systems Analysis, Google Cloud Platform, Scalability, Microservices, Cryptography
Advanced · Course · 1 - 3 Months

Skills you'll gain: Miro AI, Customer Engagement, Responsible AI, AI Product Strategy, No-Code Development, Customer experience improvement, Email Automation, Customer Service, Customer Analysis, Automation, Generative AI, Customer Data Management, Customer Communications Management, Customer Relationship Management (CRM) Software, Customer Support, Workflow Management, Artificial Intelligence, Customer and Client Support, Agentic systems, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Animation and Game Design, Video Game Development, 3D Assets, Game Design, Development Testing, Artificial Intelligence, User Interface (UI), Performance Tuning
Intermediate · Course · 1 - 3 Months

The Open University
Skills you'll gain: Sustainable Business, Systems Thinking, Sustainable Development, Corporate Sustainability, Stakeholder Analysis, Sustainability Standards, Business Systems Analysis, Process Mapping, Complex Problem Solving, Innovation, Problem Solving, Interviewing Skills
Intermediate · Course · 1 - 4 Weeks