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: Encryption, Cryptography, Security Engineering, Data Security, Cybersecurity
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: AI Personalization, AI Product Strategy, Customer Service, Customer Insights, Customer Analysis, AI Enablement, Customer Data Management, Responsible AI, Personalized Service, Customer Support, Customer experience strategy (CX), Customer and Client Support, Data Ethics, Customer Relationship Building, Customer Engagement, Customer Retention, Artificial Intelligence and Machine Learning (AI/ML), Customer Success Management, Generative AI Agents, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: 3D Assets, 3D Modeling, Animation and Game Design, Visualization (Computer Graphics), Computer Graphics, Animations, Computer Graphic Techniques, Model Optimization, Simulations
Beginner · Course · 3 - 6 Months

Skills you'll gain: PHP (Scripting Language), MySQL, WordPress, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Linux Commands, DevOps, Linux, Web Design and Development, Devops Tools, Frontend Integration, Full-Stack Web Development, Data Store, Command-Line Interface, Back-End Web Development, Database Development, Server Side, Scripting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Product Roadmaps, Backlogs, Stakeholder Communications, Business Analysis, Requirements Elicitation, Business Analysis Tools, Stakeholder Management, Business Requirements, Stakeholder Engagement, Project Management Institute (PMI) Methodology, Verification And Validation, Requirements Analysis, Product Management, Requirements Management, Release Management, Milestones (Project Management), Project Management, Communication Planning, Project Planning, Agile Methodology
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Video Editing, Post-Production
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Development Tools, Web Applications, Scalability, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Application Programming Interface (API), JSON, Database Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: 3D Modeling, 3D Assets, Color Theory, Computer Graphics, Visualization (Computer Graphics), Computer Graphic Techniques, Visual Storytelling, Animations, Graphical Tools, Model Optimization, Data Import/Export, Image Quality, User Interface (UI), Animation and Game Design, Creative Design, Post-Production
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: ASP.NET, Middleware, .NET Framework, Restful API, Application Programming Interface (API), C# (Programming Language), API Design, Databases, Performance Tuning, Data Persistence, Web Development, Scalability, Development Environment, Web Applications, Web Analytics, Application Security
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Node.JS, Secure Coding, Application Programming Interface (API), API Design, Authentications, Server Side, MongoDB, Restful API, Full-Stack Web Development, Development Environment, Back-End Web Development, Package and Software Management, Object-Relational Mapping, Database Development, Middleware, JSON, User Accounts, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Classification Algorithms, File I/O
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Instagram, Marketing Materials, Marketing Design, Graphic Design, Social Media Campaigns, Social Media Content, Graphical Tools, Content Creation, Social Media Marketing, Graphic and Visual Design, Brand Awareness, Social Media, Personalized Campaigns, Social Impact, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours