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.

Skills you'll gain: Test Planning, Test Driven Development (TDD), Release Management, Software Testing, Behavior-Driven Development, Business Continuity Planning, Risk Management, System Testing, Application Deployment, Software Quality Assurance, Software Development Life Cycle, CI/CD, Data Validation, Systems Analysis, Systems Thinking, Data Modeling, Product Lifecycle Management, Business Process Automation, Digital Transformation, Process Flow Diagrams
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Productivity Software, Multimedia, Business Correspondence, Data Visualization, Business Communication, Content Creation, User Accounts, Graphic Design, Business Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Docker (Software), Containerization, Restful API, User Interface (UI), HTML and CSS, Node.JS, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Back-End Web Development, Full-Stack Web Development, Application Development, Javascript, GitHub
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Interactive Learning, Developing Training Materials, Game Design, Education Software and Technology, Infographics, Content Creation, Digital pedagogy
Beginner · Guided Project · Less Than 2 Hours
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Microsoft Visual Studio, AI Enablement, Test Driven Development (TDD), Software Development Tools, GitHub, Debugging, HTML and CSS, User Interface (UI), Cascading Style Sheets (CSS), Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Marketing Design, Graphic Design, Content Creation, Style Guides, Marketing, Branding
Beginner · Guided Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Model Context Protocol, Retrieval-Augmented Generation, Anthropic Claude, Application Programming Interface (API), API Design, Tool Calling, Embeddings, Vector Databases, Model Evaluation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Graphic Design, Design, Marketing Design, Creative Design, Typography, Design Elements And Principles, Marketing Materials
Intermediate · Guided Project · Less Than 2 Hours

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Java, Java Programming, Object Oriented Programming (OOP), Integrated Development Environments, Data Structures, File I/O, Programming Principles, Algorithms, Computer Programming, Development Environment, Computational Thinking, Debugging, Software Development
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Secure Coding, Application Security, Verification And Validation, Code Review, Linux, Vulnerability Assessments, User Accounts, Data Validation, Debugging, Cryptography, C (Programming Language), File Management, OS Process Management
Intermediate · Course · 1 - 4 Weeks