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.

Coursera
Skills you'll gain: Ajax, JSON, Javascript, Application Programming Interface (API), Web Applications, Secure Coding, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, Spring Boot, Model View Controller, Hibernate (Java), Java, Java Programming, Web Development, Web Applications, Object-Relational Mapping, Application Deployment, Application Security, Database Application, Software Development Tools, Authentications, Development Environment, Data Access, Authorization (Computing)
Intermediate · Course · 3 - 6 Months

University of Virginia
Skills you'll gain: User Story, Agile Product Development, Agile Methodology, Design Thinking, User Research, Product Development, Agile Project Management, User Feedback, User Centered Design, Interviewing Skills, Value Propositions, Innovation, Storytelling, Meeting Facilitation, Team Oriented, Persona Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, C++ (Programming Language), C and C++, Network Routing, Data Structures, Object Oriented Programming (OOP), File I/O, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Design, SQL, Relational Databases, Databases, Database Systems, Database Management, Data Modeling, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, NoSQL, Databases, Database Management Systems, Application Deployment, Database Architecture and Administration, Database Design, Query Languages, Data Architecture, Database Management, Data Storage, System Monitoring, Data Maintenance, Distributed Computing, Data Modeling, Data Security, Scalability
Beginner · Course · 1 - 4 Weeks

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

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Chemical Engineering, Energy and Utilities, Chemical and Biomedical Engineering, Chemistry, Engineering, Process Engineering, Environmental Engineering, Biological Engineering, Sustainable Engineering, Engineering Calculations, Engineering Analysis, Mathematical Modeling
Intermediate · Course · 1 - 3 Months
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, JSON, Software Documentation, Javascript, Web Services, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Firefly, AI powered creativity, Adobe Photoshop, Generative AI, Adobe Creative Cloud, AI Workflows, Design Software, Photo Editing, Artificial Intelligence, Computer Graphic Techniques, Image Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Data Infrastructure, Data Governance, Data Modeling, Data Strategy, Data Architecture, Data Migration, Cloud Management, Database Design, Correlation Analysis, Stored Procedure, Data Pipelines, Infrastructure as Code (IaC), Data Validation, Disaster Recovery, Role-Based Access Control (RBAC), Compliance Auditing, CI/CD, Resource Management, Performance Management
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Corporate Sustainability, Corporate Strategy, Business Ethics, Organizational Strategy, Sustainable Business, Business Strategy, Philanthropy, Governance Risk Management and Compliance, Governance, Compliance Management, Strategic Sourcing, Regulatory Compliance, Stakeholder Management, Stakeholder Engagement, Diversity Equity and Inclusion Initiatives, Law, Regulation, and Compliance, Ethical Standards And Conduct, Business Risk Management, Diversity and Inclusion
Mixed · Course · 1 - 4 Weeks