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.

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Personally Identifiable Information, Law, Regulation, and Compliance, Data Sharing, Financial Regulation, Financial Services, Decision Intelligence, Data Strategy, Financial Systems, Finance, Business Ethics, Product Design, Application Programming Interface (API)
★ 4.8 (37) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Plotly, PyTorch (Machine Learning Library), NumPy, Matplotlib, Object Oriented Programming (OOP), Pandas (Python Package), Plot (Graphics), Data Structures, Unit Testing, Python Programming, File I/O, Data Visualization Software, Algorithms, Interactive Data Visualization, Machine Learning Methods, Test Case, Computational Thinking, Programming Principles, Computer Programming, Code Reusability
Intermediate · Specialization · 3 - 6 Months

Goldman Sachs
Skills you'll gain: Market Research, New Product Development, Product Development, Entrepreneurship, Product Planning, User Research, Product Design, Innovation, Focus Group, Ideation, Business Development, Product Testing, Logistics
★ 4.7 (88) · Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authorization (Computing), Cyber Risk, Authentications, Continuous Monitoring, Threat Management, Security Controls, Application Security, Secure Coding, System Monitoring, Cryptographic Protocols, Cryptography, Event Monitoring, Data Security, Identity and Access Management, Role-Based Access Control (RBAC), Hardening
★ 4.6 (26) · Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Application Specific Integrated Circuits, Amazon Elastic Compute Cloud, Cloud Infrastructure, Cloud Deployment, Amazon Web Services, Hardware Architecture, Cloud Applications, Performance Tuning, Software Development, Computer Architecture, Dataflow, Development Environment, Software Development Tools, Memory Management, Computational Logic, Programming Principles
★ 4.7 (77) · Intermediate · Course · 1 - 3 Months

Nanyang Technological University, Singapore
Skills you'll gain: Materials science, Design, Mathematics and Mathematical Modeling, Architectural Drawing, Creative Design
★ 3.7 (7) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, LLM Application, Generative AI Agents, AI Workflows, LangChain, Model Context Protocol, Vector Databases, AI Orchestration, Agentic Workflows, Tool Calling, Artificial Intelligence and Machine Learning (AI/ML), LangGraph, Large Language Modeling, Agentic systems, Embeddings, Model Deployment, Artificial Intelligence, Application Performance Management
★ 2.3 (8) · Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Windows PowerShell, Shell Script, Scripting Languages, Scripting, IT Automation, Command-Line Interface, System Configuration, File Management, Software Installation, Security Controls, Configuration Management, Integrated Development Environments, Data Management
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Telehealth, Patient Education And Counseling, Medical Telemetry, Teamwork, Patient Communication, Collaboration, Patient Preparation, Clinical Assessment, Vital Signs, Patient Education and Support, Health Technology, Health Assessment, Patient Treatment, Health Care, Health Systems, Telecommunications, Patient Evaluation, Care Management, Health Care Procedure and Regulation, Communication
★ 4.9 (44) · Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Graphic Design, Logo Design, Graphics Software, Graphic and Visual Design Software, Computer Graphic Techniques, Digital Design
★ 4.5 (10) · Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: AI powered creativity, Photo/Video Production and Technology, Generative AI, Multimedia, Prompt Engineering, Content Creation, Digital Content, Business Process Automation, Media Production, ChatGPT, Image Quality, Digital Assets, Course Development, Email Marketing, Artificial Intelligence, Design and Product, Product Development, Writing
★ 4.8 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Identity and Access Management, User Provisioning, Verification And Validation, Cloud Deployment, IT Infrastructure, User Accounts, IT Automation, Code Reusability, Development Testing, Data Structures, Authentications, Data Security, Dependency Analysis, Relational Databases, Software Installation
Beginner · Specialization · 3 - 6 Months