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.

Commonwealth Education Trust
Skills you'll gain: Student Engagement, Teaching, Education and Training, Pedagogy, Formal Learning, Human Learning, Working With Children, Child Development, Instructional Strategies, Childhood Education and Development, Learning Theory, Collaboration, Cultural Diversity, Substance Abuse
Mixed · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Loyalty Programs, Customer Relationship Management (CRM) Software, Customer Relationship Building, Brand Loyalty, Customer Analysis, Customer Retention, Relationship Management, Customer Success Management, Sales Management, Marketing Automation, Marketing Strategies, Target Audience, Data-Driven Marketing, Business Development, Performance Management, Performance Measurement, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Digital Transformation, Data Sharing, Manufacturing Operations, Business Transformation, Document Management, Product Lifecycle Management, Data Storage, Process Management, Data Strategy, Interoperability, Data Persistence, Innovation, Goal Setting, Knowledge Transfer, Project Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), File I/O, Program Development, Software Development, Automation, Data Structures, Code Reusability, Maintainability, File Management, Python Programming, Scalability, Scripting Languages, Data Persistence, JSON
Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Performance Measurement, Variance Analysis, Budgeting, Accounting, Capital Budgeting, Financial Accounting, Performance Management, Financial Data, Performance Metric, Operating Budget, Cost Management, Organizational Strategy, Key Performance Indicators (KPIs), Financial Analysis, Organizational Structure, Decision Making
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Multimedia, Interactive Data Visualization, Data Visualization, Marketing Design, Visual Storytelling, Diagram Design, Brainstorming, Data Sharing, Presentations, Creative Design, Visual Design, Color Theory, Knowledge Transfer, Drive Engagement, Design Elements And Principles, Graphic Design, Marketing, Communication
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Frontend Integration, API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Event-Driven Programming, Database Development, Front-End Web Development, Python Programming, Database Management, Restful API, Object-Relational Mapping, SQL
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Development Environment, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, Programming Principles, Apple Xcode, Software Installation, Performance Tuning, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Spreadsheet Software, Business Reporting, Management Reporting, Data Analysis, Data Visualization, Interactive Data Visualization, Data Management, Analysis, Information Management, Debugging, File Management, Business, Business Management, Design, File I/O
Mixed · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: Full-Stack Web Development, Restful API, Cloud Deployment, Frontend Integration, Front-End Web Development, Web Design and Development, Web Services, Cloud Development, Application Deployment, Cloud Applications, Web Development, Spring Framework, Amazon Web Services, HTML and CSS, Data Persistence, Application Programming Interface (API), Server Side, Web Applications, Back-End Web Development, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, AI Workflows, Agentic Workflows, AI Orchestration, Generative AI Agents, Agentic systems, LangChain, LLM Application, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Prompt Patterns, Retrieval-Augmented Generation, Tool Calling, Responsible AI, Risking, Context Management, Software Development, Python Programming, Data Science
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Secure Coding, Software Design, System Design and Implementation, Programming Principles, Security Engineering, Program Development, Vulnerability Assessments, C (Programming Language), Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks