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: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Python Programming, Simulations, Debugging, Pandas (Python Package), Program Development, Unit Testing, Test Case, Data Science, Software Design, Computational Thinking, Integration Testing, Computer Programming, Object Oriented Programming (OOP), Data Manipulation, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, Tensorflow, Data Preprocessing, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Machine Learning Algorithms, Convolutional Neural Networks, Computer Vision, Deep Learning, Image Analysis, Machine Learning, Model Deployment, Model Evaluation, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Development, Microsoft Azure, Software Development, Cloud Deployment, Cloud Applications, Application Deployment, Design Strategies, Data Storage
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Content Creation, Social Media, Facebook, Social Media Marketing, Pay Per Click Advertising, Social Media Content, Online Advertising, Campaign Management, Performance marketing, Social Media Campaigns, Advertising, Pinterest, Advertising Campaigns, Social Media Strategy, Instagram, Branding, Digital Content, Social Media Management, Lead Generation, Digital Advertising
Beginner · Specialization · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: System Configuration, System Design and Implementation, Computer Architecture, Hardware Architecture, Computer Hardware, Embedded Systems, Automation, Computational Logic, Performance Tuning
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Fundraising, Non-Profit Accounting, Philanthropy, Law, Regulation, and Compliance, Governance, Compliance Management, Regulatory Compliance, Lobbying, Labor Law, Tax Compliance, Accountability, Tax Laws, Advocacy, Organizational Structure, Social Impact
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Human Computer Interaction, Embedded Systems, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Usability, HTML and CSS, Real-Time Operating Systems, Internet Of Things, jQuery, Mobile Development, Telecommunications, Cross Platform Development, Artificial Intelligence and Machine Learning (AI/ML)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unreal Engine, C++ (Programming Language), Data Structures, Video Game Development, Data Storage, Object Oriented Programming (OOP), Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Postman API Platform, Application Programming Interface (API), Software Testing, Restful API, Development Environment, Collaborative Software, Web Applications, JSON, Data Import/Export, Authentications
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Case Studies, Business Planning, Entrepreneurship, Business Modeling, Presentations, Stakeholder Engagement, Financial Analysis, Value Propositions, Customer Engagement, Team Oriented, Innovation, Leadership
Intermediate · Guided Project · Less Than 2 Hours