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.

University of Colorado Boulder
Skills you'll gain: Teamwork, Business Writing, Constructive Feedback, Conflict Management, Diversity and Inclusion, Collaboration, Team Building, Diversity Awareness, Business Correspondence, Business Communication, Team Collaboration, Recognizing Others, Motivational Skills, Decision Making, Collaborative Software, Writing, Team Motivation, Performance Management, Staff Management, Grammar
★ 4.8 (11K) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Google Ads, Search Engine Optimization, Digital Marketing, Keyword Research, Digital Advertising, Target Audience, Search Engine Marketing, Online Advertising, Persona Development, Customer Analysis, Conversion Funnel Analysis, Content Optimization, Marketing Strategy and Techniques, Advertising Campaigns, Marketing Strategies, Customer Engagement
★ 4.8 (7.9K) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Structures, Generative AI, Test Driven Development (TDD), Integration Testing, Cloud Deployment, Development Testing, Python Programming, Object Oriented Programming (OOP), Serverless Computing, Cloud Computing, Microsoft Azure, Graph Theory, Software Documentation, Object Oriented Design, Maintainability, Code Review, Software Design, Application Deployment
★ 4.1 (27) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, Data Store, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JavaScript Frameworks, Unit Testing, Java Programming
★ 3.9 (705) · Beginner · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Java, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Android Development, Android Studio, Mobile Development, Memory Management, Computer Programming, Programming Principles, Code Reusability, Integrated Development Environments, Computational Logic, Development Environment
★ 4.7 (1.5K) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java, Java Programming, Programming Principles, Data Structures, Software Installation, Computer Programming, Object Oriented Programming (OOP), Computational Logic, Development Environment
★ 4.6 (2.3K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Prompt Engineering Tools, Prompt Patterns, AI powered creativity, AI literacy, AI Personalization, Generative AI, Timelines, LLM Application, Agentic Workflows, Spreadsheet Software, Ideation, Artificial Intelligence, Business Correspondence, Complex Problem Solving, Report Writing, Solution Design, Document Management, Critical Thinking, Machine Learning
★ 4.8 (8K) · Beginner · Specialization · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Excel Macros, Programming Principles, Visual Basic (Programming Language), Program Development, Data Import/Export, Object Oriented Programming (OOP), Microsoft Excel, Problem Solving, Computer Programming, Solution Design, Simulations, Debugging, Data Cleansing, Spreadsheet Software, Code Reusability, UI Components, Data Management, User Interface (UI), Data Structures, Automation
★ 4.8 (4.8K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object-Relational Mapping, Django (Web Framework), Database Application, Database Development, Bootstrap (Front-End Framework), Database Administration, Full-Stack Web Development, Cloud Deployment, Database Management, SQL, Database Theory, Cloud Applications, Relational Databases, Frontend Integration, Databases, Database Design, Database Systems, Application Deployment, Authentications, Back-End Web Development
★ 4.5 (364) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Relationship Building, Professional Networking, Brand Awareness, Relationship Management, Goal-Oriented, Growth Mindedness, Brand Management, Personal Development, Self-Motivation, Goal Setting, Organizational Leadership, Professional Development, Personal Attributes, Self-Awareness, Strategic Leadership, Team Building, Workforce Development, Value Propositions, Culture Transformation, Case Studies
★ 4.8 (3.1K) · Beginner · Specialization · 3 - 6 Months

University of Washington
Skills you'll gain: Model Evaluation, Classification Algorithms, Regression Analysis, Applied Machine Learning, Feature Engineering, Machine Learning Methods, Machine Learning, Image Analysis, Machine Learning Algorithms, AI Personalization, Unsupervised Learning, Predictive Modeling, Classification And Regression Tree (CART), Supervised Learning, Bayesian Statistics, Statistical Machine Learning, Model Training, Logistic Regression, Statistical Modeling, Data Mining
★ 4.6 (16K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Android Studio, Restful API, User Research, Version Control, GitHub, UI/UX Research, Usability Testing, Jest (JavaScript Testing Framework), Git (Version Control System), Data Structures, Kotlin, Android Jetpack, Android Development, Unix Commands, Persona (User Experience), Interaction Design, Mobile Development, Code Reusability, Javascript
★ 4.6 (9.3K) · Beginner · Professional Certificate · 3 - 6 Months