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: Unit Testing, .NET Framework, Software Testing, Event-Driven Programming, Test Tools, Application Frameworks, Maintainability, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Animation and Game Design, User Interface (UI), Animations, Debugging, Program Development, C# (Programming Language), Scripting, Build Tools, Software Installation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: No-Code Development, Workflow Management, Business Process Modeling, Process Mapping, Process Modeling, Business Process, Data Integration
Intermediate · Course · 1 - 4 Weeks

Google - Spectrum Sharing
Skills you'll gain: Software Installation, Wireless Networks, Public Key Infrastructure, General Networking, Network Infrastructure, Communication Systems, Data Sharing, Global Positioning Systems, Telecommunications, System Configuration, System Requirements, Network Planning And Design, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Android Development, Unity Engine, Mobile Development, Video Game Development, User Interface (UI) Design, UI Components, Animation and Game Design, Game Design, C# (Programming Language), Scripting, Software Installation, Programming Principles, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Object-Relational Mapping, Database Design, Back-End Web Development, Data Modeling, Data Integrity, Health Informatics, Database Development, Program Development, Application Development, Software Architecture, Application Frameworks, Database Application, Database Systems, Operational Databases, Data Persistence, Database Management Systems, Health Care, Database Management, .NET Framework
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Unreal Engine, Interactive Design, System Design and Implementation, User Interface (UI), Video Game Development, User Interface (UI) Design, Virtual Environment, Animations, Computer Graphics
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Responsible AI, Prompt Engineering, AI Security, Google Gemini, Gemini, Generative AI, Embeddings, Multimodal Prompts, AI Product Strategy, Model Deployment, Vector Databases, Cloud Security, Keras (Neural Network Library), Google Cloud Platform, Generative Model Architectures, Federated Learning, Image Analysis, Natural Language Processing, Recurrent Neural Networks (RNNs), Machine Learning
Advanced · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Generative AI Agents, AI Integrations, Agentic systems, Context Engineering, Agentic Workflows, Application Deployment, Token Optimization, Tool Calling, LLM Application, Context Management, Enterprise Architecture, Responsible AI, Model Evaluation, Large Language Modeling, Memory Management, Routing Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: Code Reusability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Single Sign-On (SSO), Amazon Web Services, Security Assertion Markup Language (SAML), Cloud Security, Security Management, Computer Security Incident Management, Incident Response, Cloud Standards, Amazon Elastic Compute Cloud, Authentications, Amazon S3, Database Architecture and Administration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Applications, Javascript, JSON, Node.JS, PHP (Scripting Language), Back-End Web Development, Application Programming Interface (API), Servers, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks