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.

Johns Hopkins University
Skills you'll gain: Data Science, Data Strategy, Data Literacy, Data Management, Data Analysis, Data-Driven Decision-Making, Project Design, Performance Metric, Software Engineering, Machine Learning, Statistical Inference
★ 4.5 (8.4K) · Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Business Modeling, Feasibility Studies, Entrepreneurship, Business Strategy, Strategic Partnership, Strategic Thinking, Marketing Channel, Business Architecture, New Business Development, Business Analysis, Revenue Management, Business Operations, Value Propositions
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Bedrock, AI Workflows, Agentic Workflows, Generative AI Agents, AI Orchestration, AI Security, Responsible AI, Amazon Web Services, Model Context Protocol, Agentic systems, Prompt Engineering, Tool Calling, Verification And Validation, Prompt Patterns, Development Testing, Security Controls, Authorization (Computing), Enterprise Architecture, Application Performance Management, Middleware
Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Presentations, Public Speaking, Oral Expression, Verbal Communication Skills, Peer Review, Communication, Constructive Feedback, Communication Strategies, Concision, Trustworthiness, Writing, Goal Setting, Organizational Skills
★ 4.8 (483) · Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Studio, Android (Operating System), Android Development, Mockups, Mobile Development, Mobile Development Tools, Software Design Patterns, Software Design, User Interface (UI) Design, Application Design, Prototyping, UI Components, Development Environment, GitHub, Configuration Management
★ 4.5 (684) · Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Software Design, Maintainability, Code Reusability, Program Development, Java, Java Programming, AI Personalization, Object Oriented Programming (OOP), Data Structures, Algorithms, File I/O, Hypertext Markup Language (HTML)
★ 4.7 (660) · Intermediate · Course · 1 - 3 Months

Chegg Skills
Skills you'll gain: Constructive Feedback, Conflict Management, Recognizing Others, Team Collaboration, Performance Management, Teamwork, Communication Strategies, Verbal Communication Skills, Interpersonal Communications, Collaboration, Active Listening, Communication, Business Communication, Team Management, Professional Development, Leadership, Relationship Building, Emotional Intelligence, Business Relationship Management, Productivity
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Image Analysis, Tensorflow, Transfer Learning, Convolutional Neural Networks, Computer Vision, Fine-tuning, Keras (Neural Network Library), JavaScript Frameworks, JSON, Model Deployment, Applied Machine Learning, Javascript, Machine Learning Methods, Model Training, Artificial Neural Networks, Data Processing, Real Time Data, Web Applications, Data Capture, Machine Learning
★ 4.8 (1K) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: JSON, Data Processing, Data Wrangling, Restful API, Data Manipulation, Data Access, Application Programming Interface (API), Python Programming, Data Import/Export, Data Transformation, Data Structures, File I/O, Data Collection
★ 4.7 (4.1K) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

University of Glasgow
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Data Warehousing, Database Systems, Database Theory, Relational Databases, Database Management, Extract, Transform, Load, SQL, Databases, Data Mining, Database Development, Business Intelligence, Database Application, Database Management Systems, Big Data, Information Systems, Database Design, MongoDB, Scalability, Database Software
★ 4.3 (702) · Intermediate · Specialization · 3 - 6 Months