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.

Illinois Tech
Skills you'll gain: Culture Transformation, Innovation, Organizational Change, Business Transformation, Strategic Leadership, Strategic Planning, Business Communication, Change Management, Organizational Leadership, Organizational Structure, Business Planning, Competitive Analysis, Business Writing, Leadership, Business Analysis, Business Strategy, Presentations, Financial Analysis, Project Planning, Financial Planning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud API, Natural Language Processing, Google Cloud Platform, Text Mining, Image Analysis, Cloud-Based Integration, Computer Vision, Network Analysis, Web Design
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Agentic systems, Human Computer Interaction, Interaction Design, User Experience Design, User Experience, Responsible AI, AI Product Strategy, Design Strategies, Human Centered Design, Data Ethics, Artificial Intelligence, Automation, Machine Learning, Technology Strategies, Emerging Technologies
Intermediate · Course · 3 - 6 Months

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Gradle, Software Development Tools, Integration Testing, Mockups, JSON, Authentications
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Mathematical Software, Biotechnology, Engineering Analysis, Simulations, Differential Equations, Computer-Aided Design, Algorithms, Chemistry
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Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Generative AI Agents, CrewAI, AI Orchestration, Generative AI, Agentic systems, Prompt Patterns, Tool Calling, LLM Application, Model Deployment, Responsible AI, Scalability, Application Deployment, Collaboration, Data Integration, Job Evaluation, Logical Reasoning
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Model View Controller, Test Driven Development (TDD), Restful API, Vue.JS, Full-Stack Web Development, Frontend Integration, Web Applications, Unit Testing, Server Side, Javascript, HTML and CSS, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Strategy, Search Engine Optimization, Content Creation, Keyword Research, Digital Content, Content Marketing, Social Media Content, Target Audience, ChatGPT, Web Analytics and SEO, Video Production, Prompt Engineering, Workflow Management
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Model Evaluation, Regression Analysis, Applied Machine Learning, Machine Learning, Deep Learning, Jupyter, Supervised Learning, Predictive Analytics, Classification Algorithms, Image Analysis, Unsupervised Learning, Computer Vision, Text Mining, Natural Language Processing, Python Programming
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Software Design, Databases, Computer Programming, Object Oriented Programming (OOP), User Interface (UI), Algorithms, Data Analysis, Java, Data Structures, Data Processing
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Design and Development, Front-End Web Development, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Content Management, Application Frameworks, Javascript
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Video Game Development, Game Design, Art History, Music History, Animation and Game Design, Computer Graphics, Culture, Policy Analysis, Public Policies, Interactive Design, Cultural Diversity, Storytelling, Case Studies, Innovation
Build toward a degree
Beginner · Course · 1 - 3 Months