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.

Simplilearn
Skills you'll gain: Data Structures, C (Programming Language), Programming Principles, Data Management, Algorithms, Computer Programming, File I/O
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Budgets, Social Media Content, Social Media Campaigns, Collaborative Software, Social Media Marketing, Content Creation, Video Editing, Marketing Materials, Marketing, Graphic Design, Photo Editing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Programming Principles, Information Technology, Operating Systems, Web Applications, Collaborative Software, Computer Literacy, Python Programming, Application Development, Microsoft Office, Linux, Microsoft Windows, Mac OS
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Team Management, Systems Architecture, Requirements Analysis, Requirements Elicitation, Scrum (Software Development), Systems Development Life Cycle, Teamwork, Configuration Management, Team Building, Agile Methodology, Scaled Agile Framework, Team Motivation, Organizational Leadership, Engineering Management, Risk Management, Waterfall Methodology, Lean Methodologies, Leadership and Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Sales Presentation, Presentations, Sales Presentations, Product Demonstration, Microsoft PowerPoint, Customer Analysis, Competitive Analysis, Business Strategy, Business Communication, Team Oriented
Beginner · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Infrastructure Security, Vulnerability Scanning, Network Security, Amazon Web Services, Firewall, Virtual Networking, Virtual Private Networks (VPN), Security Controls, Cloud Security, AWS Identity and Access Management (IAM), Distributed Denial-Of-Service (DDoS) Attacks, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Postman API Platform, API Design, Application Programming Interface (API), API Testing, Authentications, Object-Relational Mapping, Development Environment, Microsoft Development Tools, Microsoft Visual Studio, Web Development Tools, Authorization (Computing), Endpoint Security, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Data Processing, Model Deployment, Data Pipelines, Systems Design, Google Cloud Platform, Analytics, Database Development, Data Infrastructure, Cloud Engineering, Data Architecture, Data Analysis, Security Controls, Machine Learning, Data Visualization, Data Storage Technologies, Scalability, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: Energy and Utilities, Electrical Power, Electrical Systems, Electric Power Systems, Sustainable Technologies, Thermal Management, Power Electronics, Climate Change Mitigation, Mechanical Engineering, Materials science, Chemistry, Engineering Calculations, Sustainability Standards
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, .NET Framework, Software Design Patterns, Software Design, Object-Relational Mapping, ASP.NET, Software Architecture, C# (Programming Language), Enterprise Architecture, Maintainability, Docker (Software), Database Systems, Business Logic, Development Environment
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Responsible AI, Database Management, Back-End Web Development, OpenAI API, Generative AI, Performance Tuning, API Design, Prompt Engineering, Application Programming Interface (API), Databases, Artificial Intelligence, Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Productivity, Organizational Skills, Journals, Digital Design, Design, Layout Design, Graphic Design, Creative Design, Design Software, Graphical Tools
Intermediate · Guided Project · Less Than 2 Hours