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.

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
★ 4.6 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Digital Marketing, Search Engine Optimization, Digital Advertising, Online Advertising, Campaign Management, Keyword Research, Marketing, Paid media, Digital Marketing Tools, Marketing Strategy and Techniques, Digital Publishing, Target Audience, Pay Per Click Advertising, Google Ads, Search Engine Marketing, Digital Media Strategy, Social Media Campaigns, Email Marketing, Web Analytics and SEO, Digital Content
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Application Deployment, Workflow Management, IBM Cloud, No-Code Development, Self Service Technologies, Generative AI Agents, AI Personalization, Customer Service, Customer experience improvement, Generative AI, Context Management, Operational Efficiency, WordPress
★ 4.7 (3.8K) · Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Combinatorics, Probability, Programming Principles, Computational Thinking, Computer Programming, Object Oriented Programming (OOP), Development Testing, Software Testing, Applied Mathematics, Algorithms, Python Programming, Game Design, General Mathematics
★ 4.7 (584) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ruby (Programming Language), File I/O, Object Oriented Programming (OOP), Object Oriented Design, Ruby on Rails, Debugging, Test Tools, Application Design, Code Reusability, Programming Principles, Test Case, Software Documentation, Development Environment, Integrated Development Environments, Computer Programming, Data Structures, Apple Xcode, Web Development, Computational Logic, Software Installation
★ 4.5 (19) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Windows Servers, Computer Security, Linux Administration, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Operating System Administration, OSI Models, User Accounts, Group Policy, Security Management, User Provisioning, Ubuntu, IT Management, System Monitoring, Systems Administration, Cybersecurity
★ 4.6 (2K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Story, Agile Project Management, Backlogs, Sprint Planning, Project Risk Management, Agile Methodology, Risk Management, Management Reporting, Performance Reporting, Risk Mitigation, Team Oriented, Project Estimation, Estimation, Prioritization
★ 4.7 (954) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: 3D Modeling, Design Software, 3D Assets, Computer-Aided Design, Design, Computer Graphics, Graphical Tools, User Interface (UI), Peripheral Devices
★ 4.6 (562) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Agentic Workflows, AI Orchestration, Model Context Protocol, Generative AI Agents, Agentic systems, Context Engineering, Prompt Engineering, LLM Application, LangChain, ChatGPT, Tool Calling, AI Integrations, Retrieval-Augmented Generation, Context Management, Software Architecture, Deep Learning, Interoperability, Software Design Patterns
Intermediate · Course · 3 - 6 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Control Systems, Systems Design, Systems Engineering, Systems Analysis, Mathematical Modeling, Applied Mathematics, Differential Equations
★ 4.8 (1.3K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Style Guides, Marketing Design, Marketing Materials, Content Creation, Graphic Design, Color Matching, Dashboard, Graphic and Visual Design, Design Elements And Principles, Branding, Design Software, Marketing
★ 4.6 (1.6K) · Beginner · Guided Project · Less Than 2 Hours

Kennesaw State University
Skills you'll gain: Six Sigma Methodology, Lean Methodologies, Quality Improvement, Lean Six Sigma, Quality Assessment, Process Improvement, Quality Management, Team Management, Service Improvement, Product Quality (QA/QC), Team Oriented, Team Building, Lean Manufacturing, Continuous Improvement Process, Team Performance Management, Team Leadership, Business Process, Production Process, Production Management
★ 4.5 (435) · Beginner · Course · 1 - 4 Weeks