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.

LearnQuest
Skills you'll gain: Blockchain, Key Management, Cryptography, Application Security, Encryption, Secure Coding, Data Security, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Vulnerability Assessments, Code Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Instagram, Social Media Management, Social Media Content, Social Media Marketing, Facebook, Social Media Strategy, Target Audience, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Instagram, Canva (Software), Animations, Creative Design, Video Editing, Content Creation, Video Production
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Intercultural Competence, Teamwork, Diversity and Inclusion, Cultural Diversity, Cultural Sensitivity, Virtual Teams, Self-Awareness, Collaboration, Professional Development, Empathy, Adaptability, Conflict Management, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Fred Hutchinson Cancer Center
Skills you'll gain: Responsible AI, ChatGPT, Data Ethics, Generative AI, Social Justice, Artificial Intelligence, Ethical Standards And Conduct, Model Evaluation, Social Impact, Informed Consent, Verification And Validation, Case Studies, Mitigation, Data Science
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Collaboration, Sustainable Development, Decision Making, Business Transformation, Environmental Issue, Social Impact, Socioeconomics, Systems Thinking, Sustainable Business, Economics, Policy, and Social Studies, Adaptability, Community Development, Cultural Diversity, Governance
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, System Design and Implementation, Unified Modeling Language, Performance Metric, Performance Measurement, Requirements Analysis, Performance Analysis, Model Evaluation, Prototyping, Stakeholder Communications, Simulation and Simulation Software, Benchmarking
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction Inspection, Construction, Construction Management, Construction Engineering, Building Codes, Structural Engineering, Environmental Engineering, Civil Engineering, Laboratory Testing, Structural Analysis, Product Testing, Manufacturing Processes, Analytical Testing
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Applications, Javascript, Other Programming Languages, UI Components, Front-End Web Development, Web Development, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Programming Principles
Intermediate · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Cloud-Native Computing, Cloud Management, Cloud Applications, Kubernetes, DevOps, Cloud Deployment, Cloud Computing, Containerization, CI/CD, Cloud Services, Cloud Computing Architecture, Application Deployment, Serverless Computing, Cloud Security, Data Migration
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: AI Security, Responsible AI, Data Ethics, LLM Application, Generative AI, Google Gemini, Artificial Intelligence, Cloud Security, Governance Risk Management and Compliance, Cyber Security Strategy, Security Strategy, Artificial Intelligence and Machine Learning (AI/ML), Computer Security Awareness Training, Network Security, Security Management, Cyber Attacks, Cyber Security Policies, Natural Language Processing, Risk Management, Supply Chain
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Game Design, Investments, Test Automation, Digital Assets, Investment Management, Unit Testing, Development Testing, Cryptography, Key Management, Program Development, Emerging Technologies, Return On Investment, General Finance, FinTech, Payment Systems, Software Development, Web Development Tools, Asset Management, Development Environment
Beginner · Course · 3 - 6 Months