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.

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Usability, Front-End Web Development, User Interface (UI), Javascript, Web Content, User Experience, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Multimedia, Writing and Editing, Public Speaking, Storytelling, Branding
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Thinking, Systems Design, System Design and Implementation, Systems Analysis, Model Evaluation, Pseudocode, Software Design, Computer Architecture, Software Quality (SQA/SQC), Logical Reasoning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, API Testing, Test Script Development, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Kubernetes, Devops Tools, Infrastructure as Code (IaC), Docker (Software), YAML, Containerization, System Configuration, Software Installation, Application Deployment, Cloud Computing, Security Controls, System Monitoring, Azure DevOps, Integration Testing, Command-Line Interface, Key Management, JSON, Software Versioning
Beginner · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Unreal Engine, Computer Graphics, Visualization (Computer Graphics), Animations
Beginner · Course · 3 - 6 Months

Xi'an Jiaotong University
Skills you'll gain: User Interface (UI), Database Design, System Testing, User Interface (UI) Design, .NET Framework, Software Testing, Relational Databases, Development Testing, Databases, ASP.NET, C# (Programming Language), System Design and Implementation, Web Applications, HTML and CSS, Software Development, Microsoft SQL Servers, SQL, Cascading Style Sheets (CSS)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Interactive Design, User Interface (UI), Web Design and Development, Web Content, Application Programming Interface (API), Real Time Data, Web Content Accessibility Guidelines, Semantic Web, Data Storage Technologies, Information Architecture, Data Storage
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Image Analysis, Model Evaluation, Generative AI, Convolutional Neural Networks, Deep Learning, Embeddings, Vision Transformer (ViT)
Advanced · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon Web Services, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Cloud Computing Architecture, Cloud Infrastructure, Load Balancing, Network Routing, Hybrid Cloud Computing, Network Security, File Transfer Protocol (FTP), Data Migration
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Application Programming Interface (API), API Design, Secure Coding, User Acceptance Testing (UAT), Application Security, Web Development Tools, Frontend Integration, Software Development Tools, Cloud Applications, Application Design, Middleware, Full-Stack Web Development, Interoperability, Scripting, FinTech, Payment Systems, Solution Architecture, Emerging Technologies, Cryptography
Advanced · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Software Development Life Cycle, Agile Project Management, Collaborative Software, Software Development, System Testing, Acceptance Testing, Test Case, Python Programming, Cloud Management, Computer Science
Beginner · Course · 1 - 3 Months