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.

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, Internet Of Things, Security Requirements Analysis, Network Architecture, Network Security, Operating Systems, Cybersecurity, Web Services, Encryption, Network Protocols, Public Key Cryptography Standards (PKCS), System Programming, Simple Object Access Protocol (SOAP), Application Development, System Requirements, C (Programming Language), System Design and Implementation, Software Development
★ 4.3 (1.2K) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Model View Controller, Software Architecture, Hypertext Markup Language (HTML), UI Components, Software Design Patterns
★ 4.8 (1.9K) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Presentations, Peer Review, Business Writing, Project Design, Graphic Design, Branding, Communication, Public Speaking, Storytelling, Data Science
★ 4.7 (176) · Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Persuasive Communication, Public Speaking, Verbal Communication Skills, Storytelling, Driving engagement, Communication Strategies, Action Oriented, Constructive Feedback, Non-Verbal Communication
★ 4.8 (351) · Beginner · Course · 1 - 3 Months

Board Infinity
★ 4.3 (433) · Beginner · Course · 1 - 4 Weeks

Cloudera
Skills you'll gain: Database Design, SQL, Apache Hive, Relational Databases, Databases, Database Management, Big Data, Database Systems, Amazon Web Services, MySQL, Data Management, Amazon S3, Apache Hadoop, Data Storage, NoSQL, Operational Databases, Data Warehousing, Cloud Storage, Performance Tuning, Data Analysis
★ 4.7 (1.4K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: CI/CD, Full-Stack Web Development, Application Design, Node.JS, Django (Web Framework), Back-End Web Development, Web Applications, Front-End Web Development, Restful API, Application Development, GitHub, Microservices, User Accounts, Kubernetes, Cloud Deployment, IBM Cloud, Containerization, React.js, MongoDB, Javascript
★ 4.6 (203) · Advanced · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Prioritization, Negotiation, Conflict Management, Teamwork, Workplace inclusivity, Diversity and Inclusion, Stress Management, Diversity Training, Communication, Diversity Equity and Inclusion Initiatives, Emotional Intelligence, Collaboration, Team Management, Team Leadership, Productivity, Courage, Ethical Standards And Conduct, Workplace Bullying Intervention, Professionalism, Strategic Prioritization
★ 4.7 (572) · Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Restful API, API Testing, Django (Web Framework), API Design, Software Documentation, Application Programming Interface (API), Authentications, Authorization (Computing), Debugging, JSON, Performance Tuning, Data Validation, Extensible Markup Language (XML)
★ 4.4 (377) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Programming Principles, Artificial Intelligence, Computer Programming, Scientific Visualization, Game Design
★ 4.5 (2.2K) · Beginner · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Sustainable Development, Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Social Impact, Business Ethics, Environmental Issue, Systems Thinking, Strategic Partnership, Entrepreneurship, Innovation, Collaboration, Climate Change Mitigation, Complex Problem Solving
★ 4.8 (1.6K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Programming (OOP), File I/O, Computer Programming, Microsoft Visual Studio, System Programming, Apple Xcode, Development Environment, Algorithms, File Systems, Software Design Patterns, Data Structures, Performance Tuning, Debugging, File Management
★ 4.4 (27) · Intermediate · Specialization · 3 - 6 Months