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.

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

Dartmouth College
Skills you'll gain: Talent Management, People Development, Professional Networking, Collaboration, Leadership Development, Team Motivation, Teamwork, People Management, Entrepreneurship, Innovation, Leadership and Management, Leadership, Creativity, Employee Coaching, Mentorship, Influencing, Employee Retention, Recruitment Strategies, Growth Strategies
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, CI/CD, Authorization (Computing), Secure Coding, Application Frameworks, Performance Tuning, Application Lifecycle Management, Prometheus (Software), Grafana
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Mobile Development, User Interface and User Experience (UI/UX) Design, React Native, Apple iOS, Android Development, iOS Development, Application Development, Databases, Database Management, Flutter (Software), Application Deployment, Back-End Web Development, Application Performance Management, Marketing Strategies, Google Analytics
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Generative Adversarial Networks (GANs), AI Security, Generative AI, Fraud detection, Model Evaluation, Feature Engineering, Cybersecurity, Cyber Security Strategy, Data Preprocessing, Anomaly Detection, Security Testing, Applied Machine Learning, Reinforcement Learning, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Verification And Validation, Embedded Software, Software Systems, Systems Analysis, Distributed Computing, Mathematical Modeling, Theoretical Computer Science, Software Architecture, Data Modeling, Software Design, Algorithms, Data Structures
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Web Services, Web Applications, Application Development, Database Application, User Interface (UI), Python Programming, Restful API, Databases, Database Management, Application Security, Network Protocols, User Interface (UI) Design, Scripting, Relational Databases, Object Oriented Programming (OOP), Computer Programming, Software Development, Scripting Languages, Object Oriented Design, Programming Principles
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Incident Response, Computer Security Incident Management, Threat Management, Incident Management, Disaster Recovery, Cybersecurity, Cyber Threat Hunting, Threat Detection, Event Monitoring, Digital Forensics, Business Continuity, Verification And Validation, Technical Communication
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Teams, Collaborative Software, File Management, Document Management, Collaboration, Team Management, Microsoft 365, Productivity Software, Project Management
Intermediate · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Public Policies, Policy Development, Policy Analysis, Political Sciences, Economics, Policy, and Social Studies, Advocacy, Environmental Policy, Behavioral Economics, Public Administration, Program Evaluation, Ethical Standards And Conduct, Governance, Systems Thinking
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Business Process Automation, Microsoft 365, Invoicing, No-Code Development, Application Design, Document Management, Data Integration
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Web Content Accessibility Guidelines, Compliance Auditing, Compliance Management, Regulatory Compliance, Case Studies, Usability, Web Design, User Interface (UI), Auditing, Web Development Tools, Automation, Consulting, Test Tools, Gap Analysis, Stakeholder Communications, Prioritization
Intermediate · Course · 1 - 4 Weeks