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.

Coursera
Skills you'll gain: Collaborative Software, Productivity Software, Telecommuting, Virtual Teams, Team Building, Organizational Skills, User Accounts, Brainstorming, Data Visualization, Business Strategy
★ 3.9 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Public Key Infrastructure, IT Security Architecture, Cloud Security, Hardening, Security Engineering, Cryptographic Protocols, Infrastructure Security, Information Systems Security, System Configuration, Cryptography, Endpoint Security, Key Management, Encryption, Mobile Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Prompt Patterns, Token Optimization, Memory Management, Context Management, Document Management, Embeddings, User Interface (UI), Vector Databases, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: Investment Banking, Reconciliation, Derivatives, Financial Trading, Banking, Capital Markets, Securities Trading, Financial Market, Front Office, Order Processing, Business Economics, Transaction Processing, Operational Risk, Business, Verification And Validation, Risk Mitigation
★ 5 (17) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Cyber Operations, Cybersecurity, Operating Systems, Hardening, Computer Security, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), System Programming, Memory Management, Data Persistence, Computer Architecture
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, ASP.NET, Postman API Platform, Application Programming Interface (API), .NET Framework, API Design, Cloud Deployment, Object-Relational Mapping, Web Development, Database Design, Authentications, API Testing, Web Services, Database Development, Data Store, Microsoft Visual Studio, Microsoft Development Tools, Microsoft Azure, Secure Coding, Identity and Access Management
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Core Data (Software), Apple Xcode, Mobile Development, User Interface (UI), User Interface (UI) Design, UI Components, Integrated Development Environments, Debugging, Data Persistence, Data Management, Programming Principles, Application Programming Interface (API), Data Storage, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, Prompt Engineering, AI Integrations, Generative AI, ChatGPT, AI literacy, AI Workflows, Application Development, Code Review, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Responsible AI, MITRE ATT&CK Framework, Cyber Security Strategy, Data Ethics, Cyber Security Assessment, Cybersecurity, Penetration Testing, IT Security Architecture, Cyber Risk, Data Loss Prevention, Vulnerability Assessments, Exploitation techniques, Data Security, Incident Response, Tensorflow
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, Swift Programming, Core Data (Software), Mobile Development, Secure Coding, Application Deployment, Scalability, User Interface (UI) Design, UI Components, Integrated Development Environments, Apple software proficiency, User Interface (UI), Back-End Web Development, Debugging, Data Persistence, Data Management, Performance Tuning, Frontend Performance
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Nursing Management, Patient Safety, Continuous Quality Improvement (CQI), Clinical Leadership, Nursing Practices, Health Care Administration, Nursing, Nursing Care, Leadership, Collaboration, Accountability, Safety Standards
Intermediate · Course · 1 - 4 Weeks

University of the Arts London
Skills you'll gain: Design Thinking, Sustainable Systems, Human Centered Design, Economic Development, Systems Thinking, Creative Thinking, Ideation, Business Modeling, Creative Problem-Solving
Beginner · Course · 1 - 4 Weeks