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.

EDUCBA
Skills you'll gain: Event-Driven Programming, User Interface (UI), UI Components, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Interactive Data Visualization, Development Environment, Application Development, Software Installation
★ 4.9 (10) · Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Generative AI Agents, Email Automation, Vibe coding, Agentic Workflows, Agentic systems, AI Workflows, AI Orchestration, Sales Process, Software As A Service, Sales Development, AI Integrations, Lead Generation, Business Development, Prompt Engineering, No-Code Development, Software Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Animations, 3D Assets, Motion Graphics, Timelines, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Anomaly Detection, Model Deployment, Google Cloud Platform, Cloud Deployment, Cloud Applications, Application Deployment, Image Analysis, Computer Vision
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Marketing Materials, Marketing Design, Typography, Graphic and Visual Design Software, Graphic Design, Promotional Materials, Advertising, Graphic and Visual Design, Design, Content Creation, Marketing, Social Media Content, Social Media Marketing, Gmail
Beginner · Guided Project · Less Than 2 Hours

Harvard Business Review
Skills you'll gain: Innovation, Creative Thinking, Curiosity, Creativity, Strategic Thinking, Business Transformation, Initiative and Leadership, Business Risk Management, Collaboration, Risk Appetite, Continuous Improvement Process, Prioritization, Stakeholder Engagement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, CI/CD, Database Design, Continuous Integration, Transact-SQL, Data Pipelines, Extract, Transform, Load, Data Architecture, Data Modeling, DevOps, Data Transformation, Data Integration, Dataflow, Git (Version Control System), Performance Tuning
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Threat Modeling, Cyber Threat Intelligence, Incident Response, Cloud Management, DevSecOps, Incident Management, MITRE ATT&CK Framework, Cloud Security, Cyber Threat Hunting, Computer Security Incident Management, Threat Management, Threat Detection, Security Strategy, Cloud Standards, Cloud Computing, Cyber Governance, Cyber Security Strategy, Risk Management Framework, Vulnerability Assessments, Cyber Security Policies
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Access, Relational Databases, Database Development, Database Design, Database Management, Database Management Systems, Data Integrity, Databases, Data Validation, Database Software, Query Languages, Microsoft 365, Data Management, Microsoft Office, Data Entry, Data Presentation, Productivity Software, User Interface (UI), User Interface (UI) Design
Mixed · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Software Development Life Cycle, Agile Project Management, Collaborative Software, Software Development, Development Testing, Test Script Development, Test Case, Python Programming, Cloud Management, Computer Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: TypeScript, Restful API, API Design, Full-Stack Web Development, PostgreSQL, Application Programming Interface (API), Object-Relational Mapping, Secure Coding, Web Applications, AI Integrations, JavaScript Frameworks, SQL, Front-End Web Development, React.js, Web Development Tools, Relational Databases, Database Management, Server Side, Javascript, Artificial Intelligence
Beginner · Course · 3 - 6 Months

Skills you'll gain: User Interface (UI), Development Testing, Software Testing, Program Development, Usability, Software Design, Systems Development, Database Design, Databases
Beginner · Course · 1 - 4 Weeks