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.

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistical Methods, Quantitative Research, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistics, Data Analysis, Regression Analysis, Research Design, Research, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Usability, User Experience Design, Web Design, UI Components, Wireframing, Prototyping, Mockups, Data Sharing, AI Workflows
Beginner · Guided Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Team Building, Project Controls, Project Scoping, Agile Project Management, Project Management, Risk Management, Sprint Planning, Team Leadership, Project Implementation, Requirements Management, Stakeholder Management, Stakeholder Communications, Lean Methodologies, Design Thinking
Beginner · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Diagram Design, Liberal Arts, Culture, Cultural Diversity, Discussion Facilitation
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Web Servers, Distributed Computing, Application Servers, Servers, Network Architecture, System Programming, Network Protocols, Systems Architecture, TCP/IP, Computer Networking, Network Performance Management, Scalability, File Transfer Protocol (FTP), System Design and Implementation, Web Services, Microservices, File Systems, Debugging, Software Development, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Ethics, Predictive Modeling, No-Code Development, Model Deployment, Data Visualization, Data Presentation, Responsible AI, Data-Driven Decision-Making, Advanced Analytics, Business Intelligence, Business Analytics, Data Cleansing, Business Reporting, Global Marketing, LLM Application, AI Enablement, User Feedback, Data Preprocessing, Predictive Analytics, Data Architecture
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Spring Framework, Web Applications, Java Platform Enterprise Edition (J2EE), Java, Authentications, Application Development, Software Design, Database Design, Model View Controller, Databases, Object Oriented Programming (OOP), Hypertext Markup Language (HTML)
Mixed · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Engineering Drawings, Technical Drawing, 3D Modeling, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Code Coverage, Embedded Software, Real-Time Operating Systems, Performance Testing, System Testing, Software Testing, Verification And Validation, Embedded Systems, Test Case, Test Planning, Integration Testing, Simulations, Real Time Data, Safety and Security
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, Retrieval-Augmented Generation, Model Deployment, AI Enablement, Make.com, Generative Model Architectures, LLM Application, Cloud Deployment, Embeddings, Software Documentation, Unit Testing, Key Management
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: User Centered Design, Innovation, Market Opportunities, Target Market, Growth Strategies, Business Transformation, Digital Transformation, New Product Development, New Business Development, Strategic Planning, Customer Analysis, Emerging Technologies, Health Technology, Business Modeling, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, AI Orchestration, Generative AI Agents, Anthropic Claude, Prompt Engineering, Tool Calling, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
Intermediate · Course · 1 - 4 Weeks