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: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Routing Protocols, Software Design Patterns, Maintainability, Servers
Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), Cloud API, Restful API, Server Side, JSON, Software Documentation, Javascript, Web Services, Application Security
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Logo Design, Marketing Design, Graphic Design, Digital Design, Design, Collaborative Software, Advertising, Organizational Skills, Marketing, Color Theory
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, File I/O, Network Routing, Computer Networking, Object Oriented Programming (OOP), Python Programming, Network Routers, Algorithms, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Probability & Statistics, Statistical Methods, Probability Distribution, Quantitative Research, Statistical Analysis, Statistical Software, Statistical Inference, Sampling (Statistics), Data Analysis, Analysis, Statistics, Probability, Analytical Skills, Regression Analysis, Psychology, Research Design, Research
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Version Control, GitHub, User Accounts, Role-Based Access Control (RBAC), Microsoft Visual Studio, Git (Version Control System), Debugging, .NET Framework, Microsoft SQL Servers, Object-Relational Mapping, Full-Stack Web Development, Identity and Access Management, Development Environment, Database Management, Database Development, Application Development, Authorization (Computing), Microsoft Windows
Intermediate · Specialization · 1 - 3 Months

SkillUp
Skills you'll gain: Relational Databases, MySQL, Data Management, Database Design, Data Warehousing, Data Visualization, Data Visualization Software, Data Security, Dashboard, Tableau Software, Data Cleansing, Data Integration, Extract, Transform, Load, SQL, Personally Identifiable Information, Microsoft Excel, Data Governance, Data Preprocessing, Data Transformation, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Design Thinking, IT Management, Agile Methodology, Process Design, Customer experience strategy (CX), Stakeholder Engagement, Solution Design, Business Modeling, Lean Methodologies, Performance Measurement, Sales
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Roadmaps, Workflow Management, Agile Methodology, Miro AI, Product Management, Business Priorities, Collaborative Software, Product Strategy, Project Design, Team Management, Business Metrics
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Blood Pressure, Medication Dispensation, Pharmacy Operations, Healthcare Project Management, Community Health, Care Management, Chronic Diseases, Medication Administration, Medication Therapy Management, Patient Evaluation, Public Health and Disease Prevention, Pharmacotherapy, Diagnostic Tests, Patient Treatment, Collaboration, Planning, Patient-centered Care, Teamwork, Vital Signs, Communication
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Artificial Intelligence and Machine Learning (AI/ML), Vision Transformer (ViT), PyTorch (Machine Learning Library), Keras (Neural Network Library), Large Language Modeling, Natural Language Processing, Embeddings, Network Model, Network Architecture
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Goal Setting, Strategic Planning, Smart Goals, Planning, Personal Development, Strategic Thinking, Action Oriented, Timelines, Professional Development, Adaptability, Accountability, Self-Awareness, Constructive Feedback, Time Management, Mentorship
Beginner · Course · 1 - 4 Weeks