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: Ajax, Build Tools, Object Oriented Design, Test Script Development, Web Development Tools, Software Design Patterns, Test Data, Scripting, Test Tools, Data Structures, Package and Software Management, Code Reusability, File I/O, Data Access, Automation, Cascading Style Sheets (CSS)
★ 4.4 (11) · Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: C (Programming Language), Data Structures, Programming Principles, Computer Science, Computer Architecture, Computer Programming, Quantum computing, Computational Thinking, Computer Hardware, Data Storage
★ 4.8 (1.7K) · Mixed · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Design, Sustainable Systems, Sustainable Technologies, Sustainable Business, Organizational Leadership, Corporate Sustainability, Strategic Leadership, Environmental Resource Management, Business Leadership, Sustainable Architecture, Environment and Resource Management, Environmental Issue, Environment, Land Management, Climate Change Adaptation, Building Design, Climate Change Mitigation, Energy and Utilities, Economics
★ 4.7 (430) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java, Java Programming, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Computer Programming, Android Development, Application Development, Programming Principles, Program Development, File Management, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Art History, European History, Social Studies, Liberal Arts, Architecture and Construction, World History, Architectural Engineering, Economic Development, Higher Education, Economics, Storytelling, Architectural Design, Aesthetics
★ 4.7 (506) · Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Pay Per Click Advertising, Digital Marketing, Web Analytics, Digital Marketing Campaigns, Email Marketing, Paid media, Digital Advertising, Social Media Campaigns, Digital Brand Strategy, Marketing Strategies, Online Advertising, Social Media Marketing, Digital Marketing Tools, Web Design and Development, Marketing Analytics, Search Engine Optimization, Social Media, Campaign Management, Data-Driven Marketing, Search Engine Marketing
★ 4.5 (62) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, No-Code Development, Web Design, Content Management, Web Design and Development, Web Content, Web Development
★ 4.4 (132) · Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Image Quality, Digital Signal Processing, Image Analysis, Computer Vision, Digital Communications, Computer Graphics, Medical Imaging, Applied Mathematics, Sensory Systems Analysis, Spatial Analysis, Linear Algebra, Matlab, Mathematical Modeling, Histogram, Differential Equations
★ 4.7 (1.1K) · Mixed · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Agentic systems, Financial Inclusion, Business Modeling, Financial Systems, Payment Systems, Emerging Technologies, Business Transformation, Distributed Computing, Transaction Processing, Cryptographic Protocols, Identity and Access Management, Contract Management, Cost Reduction
★ 4.7 (383) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Information Assurance, Encryption, Exploit development, Advanced Encryption Standard (AES), Cryptographic Protocols, Intrusion Detection and Prevention, Metasploit, Application Security, Security Testing, Cyber Security Policies
★ 4 (603) · Intermediate · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Influencing, Persuasive Communication, Leadership, Motivational Skills, Communication, Leadership Studies, Advocacy, Social Impact, Empowerment, Behavior Management, Overcoming Objections, Negotiation, Action Oriented, Drive Engagement
★ 4.7 (1.4K) · Mixed · Course · 1 - 4 Weeks