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: Angular, JavaScript Frameworks, TypeScript, UI Components, Data Transformation, Web Development Tools, Hypertext Markup Language (HTML), Application Frameworks, Network Routing, Cascading Style Sheets (CSS), Model View Controller, Data Validation
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Multi-Cloud, Cloud Computing Architecture, Cloud Deployment, Cloud Computing, Terraform, Kubernetes, Cloud Infrastructure, Containerization, Cloud Storage, Hybrid Cloud Computing, Microsoft Azure, Infrastructure as Code (IaC), Amazon Web Services, Threat Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Layout Design, Computer Graphic Techniques
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Patient Communication, Nursing Care, Patient Education And Counseling, Nursing Process, Clinical Assessment, Basic Nursing Skills, Health Assessment, Patient Safety, Care Management, Patient-centered Care, Communication, Infection Control, Prioritization, Collaboration, Project Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, IntelliJ IDEA
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Positivity, Resilience, Mindfulness, Growth Mindedness, Empowerment, Persistence, Personal Development, Goal Setting, Self-Motivation, Courage, Self-Awareness, Visionary, Creative Thinking, Action Oriented, Journals
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Blockchain, Programming Principles, Data Management, Secure Coding, Object Oriented Programming (OOP), Cryptography, Debugging
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional de Colombia
Skills you'll gain: Mathematical Modeling, Machine Learning, Applied Mathematics, System Design and Implementation, Software Development Tools, Programming Principles, Logical Reasoning, Arithmetic, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Planning, Market Analysis, Process Design, Cost Management
Mixed · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Ancient History, Art History, Engineering, Scientific, and Technical Instruments, Materials science, Architecture and Construction, Civil Engineering, Architectural Design, Structural Engineering, Instrumental Music, Hydraulics, Geometry, Manufacturing Processes, Vibrations
Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Writing, Proofreading, Editing, Business Writing, Microsoft Word, Content Creation, Productivity Software, Organizational Skills, Constructive Feedback, Keyword Research, Detail Oriented
Mixed · Course · 1 - 3 Months

Edureka
Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, AI Workflows, AI Orchestration, OpenAI, LLM Application, Generative AI Agents, Embeddings, Cloud Deployment, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment, Tool Calling, ChatGPT, Artificial Intelligence, Vector Databases, Agentic systems, Prompt Engineering, Application Programming Interface (API), Responsible AI
Intermediate · Specialization · 1 - 3 Months