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.

Skills you'll gain: Node.JS, Back-End Web Development, User Accounts, Server Side, Swift Programming, Full-Stack Web Development, Web Development, API Gateway, Programming Principles, Real Time Data, Apple iOS, Frontend Integration, Web Applications, Restful API, Authentications, Data Management, Image Analysis, JSON, UI Components, User Interface (UI)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Virtual Environment, 3D Assets, Computer Graphics, Game Design, Video Game Development, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Performance Testing, Maintainability, Software Testing, Code Review, Security Testing, Test Planning, Software Quality Assurance, Test Tools, White-Box Testing, Regression Testing
Advanced · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Responsible AI, AI Security, LLM Application, Threat Detection, Endpoint Detection and Response, Threat Modeling, Cyber Threat Intelligence, Cyber Threat Hunting, Generative AI Agents, Agentic Workflows, Agentic systems, Incident Response, Cyber Governance, Cyber Security Strategy, Data Ethics, Cyber Operations, Cybersecurity, Cyber Security Assessment, Risk Mitigation, Technology Strategies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Autodesk, Visualization (Computer Graphics), Computer Graphics, Computer Graphic Techniques, Image Quality
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Entry, Data Visualization, Spreadsheet Software, Data Literacy, Data Science, Business Writing
Beginner · Guided Project · Less Than 2 Hours
Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Case, Test Automation, Test Tools, Regression Testing, Maintainability, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Authentications, Compliance Reporting, Performance Tuning, Automation
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Business Transformation, Leadership, Organizational Change, Innovation, Adaptability, Organizational Structure, Business Technologies, Digital Transformation, Organizational Strategy, AI Enablement, Operational Efficiency, Business Economics, Change Management, Communication Strategies, Agile Methodology, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: Collaborative Software, Education Software and Technology, Teaching, Content Creation
Beginner · Guided Project · Less Than 2 Hours
Starweaver
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, AI Personalization, Data Engineering, System Monitoring, Generative AI, Prompt Engineering, Data Processing, AI Workflows, Scalability, Data Architecture, Data Pipelines, Embeddings, Performance Tuning, Continuous Monitoring, Database Systems, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: User Interface (UI), User Interface and User Experience (UI/UX) Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Calendar Management, Organizational Skills, Collaborative Software, Time Management, Team Management, Collaboration, Data Visualization, Data Management
Beginner · Guided Project · Less Than 2 Hours