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: Application Deployment, Configuration Management, Application Performance Management, Application Servers, Model View Controller, UI Components, Virtual Environment
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Verification And Validation, Python Programming, Data Preprocessing, Programming Principles, Scripting, Scripting Languages, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft PowerPoint, Presentations, Microsoft Office, Editing, Microsoft 365, Multimedia, Graphic and Visual Design, Graphics Software, Productivity Software, Data Visualization, User Interface (UI)
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Effectiveness, Marketing Analytics, Google Analytics, Web Analytics, Verification And Validation, Goal Setting, Web Analytics and SEO, Performance Metric, Transaction Processing, Data Validation, System Testing
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Hugging Face, Large Language Modeling, MLOps (Machine Learning Operations), Generative AI, Artificial Intelligence and Machine Learning (AI/ML), AI Product Strategy, Transfer Learning, Applied Machine Learning, AI Personalization, Model Deployment, Model Evaluation, Responsible AI, Performance Tuning, Model Based Systems Engineering, Program Evaluation, Analysis
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Emotional Intelligence, Empathy & Emotional Intelligence, Personal Development, Patient Communication, Self-Awareness, Patient-centered Care, Resilience, Professional Development, Health And Wellness Coaching, Application Design, Stress Management, Mindfulness, Content Management, Digital Design, User Centered Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, API Testing, Web Development, Javascript, JSON, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: AWS SageMaker, Image Analysis, Deep Learning, Keras (Neural Network Library), Model Evaluation, Convolutional Neural Networks, PyTorch (Machine Learning Library), Tensorflow, Computer Vision, Applied Machine Learning, Machine Learning, Python Programming, Matplotlib, Data Science
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Gemini, Generative AI, Google Cloud Platform, Data Analysis, Image Analysis, Multimodal Prompts, Data Processing, Text Mining
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Project Planning, No-Code Development, Microsoft 365, Requirements Analysis, Application Development, Application Lifecycle Management, Power BI, Business Logic, Microsoft Copilot, Solution Delivery, Microsoft Teams, Governance, Development Environment, Microsoft PowerPoint, Data Integration, Software Development, Microsoft Outlook, Data Validation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, API Testing, Web Development, Javascript, Front-End Web Development, JSON, Middleware
Advanced · Course · 1 - 3 Months