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.

Scrimba
Skills you'll gain: Responsive Web Design, UI Components, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Front-End Web Development, User Interface (UI), User Interface (UI) Design, Web Design and Development, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Adobe
Skills you'll gain: Photo Editing, Adobe Photoshop, AI powered creativity, Visual Storytelling, Image Quality, Color Theory, Generative AI, Graphics Software, Editing, Storytelling, Design Elements And Principles, Graphic and Visual Design, Creativity, Creative Thinking, Creative Problem-Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java, Computer Programming, Data Structures, Code Reusability, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Android Jetpack, Mobile Development Tools, Extensible Markup Language (XML), Data Management, Application Programming Interface (API)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Load Balancing, Scalability, Microservices, .NET Framework, Cloud Deployment, Database Management Systems, Redis, Application Performance Management, Software Design Patterns, Cloud Computing Architecture, Cloud Applications, Database Development, Databases, System Monitoring, Software Architecture, Distributed Computing, Cloud-Native Computing, Microsoft Azure, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Documentation, Graphic and Visual Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, Supervised Learning, Machine Learning Methods, AI Personalization, Classification Algorithms, Machine Learning, Model Training, Logistic Regression, Model Optimization, Data Analysis, Driving engagement, Persona (User Experience)
Intermediate · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Process Analysis, Project Management, Project Risk Management, Project Coordination, Project Schedules, Process Management, Process Improvement, Business Process, Continuous Improvement Process, Process Improvement and Optimization, Business Process Improvement, Team Performance Management, Business Process Management, Process Design, Process Optimization, Risk Management, Scheduling, Project Planning, Scope Management, Cost Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Enterprise Architecture, CI/CD, Cloud Applications, Unified Modeling Language, Microservices, Cloud Infrastructure, Cloud Computing, Docker (Software), Data Modeling, Requirements Analysis, Software Systems, Architectural Design, Software Development Life Cycle, Stakeholder Engagement, Application Programming Interface (API), Database Design, Database Management, Data Governance, SQL
Advanced · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Classification Algorithms, Regression Analysis, Matplotlib, Feature Engineering, Time Series Analysis and Forecasting, Data Preprocessing, Jupyter, Image Analysis, Cloud Deployment, Scikit Learn (Machine Learning Library), Applied Machine Learning, Tensorflow, Amazon Web Services, Python Programming, Data Transformation, Logistic Regression, Health Informatics, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Supply Chain, Retail Management, Supplier Relationship Management, Order Management, Order Fulfillment, Promotional Strategies, Web Development, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: User Story, User Experience Design, Functional Requirement, System Requirements, User Experience, User Requirements Documents, Requirements Analysis, Functional Specification, User Research
Beginner · Course · 1 - 4 Weeks