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: Database Design, SQL, Database Management Systems, NoSQL, Relational Databases, Data Warehousing, Database Theory, Database Architecture and Administration, Database Administration, Databases, Database Systems, Database Management, Data Modeling, Query Languages, Big Data, Database Application, Data Integrity, Data Access, Data Science, Data Analysis
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Regression Testing, Unit Testing, Test Case, System Testing, Test Automation, Software Testing, Integration Testing, Test Planning, Verification And Validation, Anomaly Detection, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Git (Version Control System), JUnit, Android Studio, Android Development, Unit Testing, Maintainability, Software Design Patterns, Test Automation, File I/O, Object Oriented Programming (OOP), Integration Testing, Test Driven Development (TDD), Mobile Development, Software Testing, Testability, Software Engineering, System Testing, Java Programming, Java, Application Security
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Angular, Frontend Performance, Application Deployment, JavaScript Frameworks, Scalability, Software Architecture, Performance Tuning, Node.JS, Web Applications, Web Development Tools, Application Performance Management, Server Side, Enterprise Architecture, Web Analytics and SEO, Maintainability, Debugging
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Brand Marketing, Brand Strategy, Storytelling, Marketing Materials, Branding, Microsoft Outlook, Gmail, Marketing Communications, Communication Strategies, Business Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple iOS, Application Development, Mobile Development, Software Architecture, Application Design, Secure Coding, Software Design Patterns, UI Components, Data Validation, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks
UNSW Sydney (The University of New South Wales)
Skills you'll gain: Storytelling, User Experience Design, Driving engagement, Content Creation, Storyboarding, Animation and Game Design, Augmented and Virtual Reality (AR/VR), Design Strategies, Emerging Technologies, Qualitative Research
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Copywriting, Social Media Content, Content Creation, Social Media, Instagram, Marketing Materials, Brand Strategy, Storytelling, Branding, Graphic and Visual Design, Social Impact, Software Development Tools, Build Tools, Social Work, Time Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Languages and XML, White-Box Testing, Scenario Testing
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Ethics, Data Validation, Generative AI, Data Cleansing, Data Quality, Data Preprocessing, Large Language Modeling, Text Mining, Hugging Face, Data Collection, Unstructured Data, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Deep Learning, Performance Analysis, Artificial Neural Networks, Resource Utilization
Intermediate · Course · 1 - 4 Weeks