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.

Board Infinity
Skills you'll gain: Performance Testing, Maintainability, Software Testing, Code Review, Security Testing, Test Planning, Software Quality Assurance, Test Tools, White-Box Testing, Regression Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Network Protocols, Communication Systems, Internet Of Things, Electronic Components, Wireless Networks, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Webpack, React.js, Web Applications, Package and Software Management, Web Development, Version Control, Software Documentation, Web Development Tools, JavaScript Frameworks, Web Content Accessibility Guidelines, Application Deployment, Frontend Performance, Software Architecture, Cloud Deployment, Software Testing, Javascript, UI Components, Interactive Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Data Processing, Java, Data Warehousing, File Management, Data Import/Export, Data Migration, Data Manipulation, Data Mapping, Scalability, Data Transformation, Software Documentation, Software Installation, Context Management, Data Storage Technologies, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Content Strategy, Content Creation, Blogs, Search Engine Optimization, Keyword Research, Web Content, Content Marketing, AI Personalization, Data Science
Intermediate · Guided Project · Less Than 2 Hours

SAE Institute México
Skills you'll gain: Video Game Development, Unity Engine, Game Design, Animation and Game Design, User Interface (UI), Software Design, Scripting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Multimodal Prompts, Embeddings, Metadata Management, Image Analysis, LLM Application, Text Mining, Generative AI, Large Language Modeling, Vector Databases
Intermediate · Project · Less Than 2 Hours

Lund University
Skills you'll gain: Machine Controls, Automation Engineering, Programming Principles, Control Systems, Automation, Software Architecture, Real-Time Operating Systems, Robotics, Other Programming Languages, Computer Programming, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Plot (Graphics), Data Visualization, Matplotlib, Interactive Data Visualization, Data Visualization Software, Seaborn, Data Analysis, Graphic and Visual Design, Python Programming, Jupyter, Pandas (Python Package), Data Manipulation, NumPy
Build toward a degree
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: API Gateway, Authentications, Application Programming Interface (API), OAuth, API Design, Cloud API, Authorization (Computing), Secure Coding, API Testing, Restful API, Threat Modeling, Application Security, Data Security, Distributed Denial-Of-Service (DDoS) Attacks, Identity and Access Management, Encryption, Prometheus (Software), Flask (Web Framework), Grafana, Python Programming
Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Network Security, Network Planning And Design, VPN Clients, Virtual Private Networks (VPN), Cyber Security Strategy, Network Architecture, Firewall, Security Controls, Network Monitoring, Intrusion Detection and Prevention, Virtual Local Area Network (VLAN), Threat Management, Threat Detection, Continuous Monitoring, Authentications, Wireless Networks, Authorization (Computing), Identity and Access Management, Encryption, Incident Response
Intermediate · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, .NET Framework, Restful API, Application Programming Interface (API), API Design, C# (Programming Language), Back-End Web Development, Databases, Data Persistence, Data Validation, Data Mapping, Data Modeling
Beginner · Course · 1 - 3 Months