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 Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Plot (Graphics), Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming
★ 4.5 (1.9K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Code Review, Object Oriented Design, Maintainability, Software Design Patterns, Software Design, Functional Design, Code Reusability, Continuous Integration, Test Automation, Software Quality (SQA/SQC), Test Driven Development (TDD), Debugging, Software Documentation, Programming Principles, Scalability, Quality Improvement, Python Programming, Continuous Improvement Process, Style Guides, Continuous Monitoring
Beginner · Course · 1 - 3 Months

Skills you'll gain: NoSQL, Extract, Transform, Load, Database Administration, Apache Spark, Data Warehousing, Web Scraping, Data Pipelines, Apache Hadoop, Database Architecture and Administration, Database Design, Linux Commands, SQL, IBM Cognos Analytics, Data Store, Generative AI, Professional Networking, Data Import/Export, Python Programming, Data Analysis, Data Science
★ 4.6 (62K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: User Research, JSON, Hypertext Markup Language (HTML), User Experience Design, Design Research, Linux Commands, Javascript, Unix, Usability, Cascading Style Sheets (CSS), User Centered Design, Experience Design, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, User Interface and User Experience (UI/UX) Design, UI Components, Unit Testing, Mobile Development Tools, Code Reusability
★ 4.7 (24K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Vibe coding, Responsible AI, AI powered creativity, Brainstorming, Planning, Visual Storytelling, Prompt Patterns, Generative AI, Data Wrangling, Data Analysis, Content Creation, Presentations, AI literacy, Communication Planning, Business Communication, Artificial Intelligence, Data Visualization, Research, Project Management, Machine Learning
★ 4.8 (8.9K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Systems Architecture, Software Architecture, Information Technology Architecture, Enterprise Modeling, Data Architecture, Service Oriented Architecture, Web Services, Systems Design, System Design and Implementation, Software Design, Systems Analysis, Interoperability, Business Systems, Object Oriented Design, Restful API, Engineering Software, Information Systems, Application Programming Interface (API), API Design, IT Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Database Administration, Data Warehousing, Web Scraping, Data Engineering, Data Pipelines, Database Architecture and Administration, Database Design, Database Management, Relational Databases, Linux Commands, SQL, Apache Kafka, Bash (Scripting Language), Apache Airflow, Shell Script, Data Store, Generative AI, Data Import/Export, Data Security
★ 4.6 (62K) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Web Development, Application Frameworks, Restful API, Web Applications, UI Components, Secure Coding, API Testing, Application Programming Interface (API), Web Services, Web Components, Back-End Web Development, Application Deployment, Programming Principles, Object Oriented Design, Object Oriented Programming (OOP), Building Design, Program Implementation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Software Development Life Cycle, Linux Commands, Software Architecture, Bash (Scripting Language), Shell Script, Git (Version Control System), GitHub, Full-Stack Web Development, Flask (Web Framework), Software Design, Version Control, File Management, Unix Shell, Web Development, Linux, Application Deployment, Data Import/Export, Python Programming, NumPy
★ 4.6 (52K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Deployment, Unit Testing, Software Development Life Cycle, Open Web Application Security Project (OWASP), Object-Relational Mapping, OpenShift, Istio, Kubernetes, Cloud-Native Computing, Linux Commands, Software Architecture, Application Deployment, Django (Web Framework), Bash (Scripting Language), Shell Script, Git (Version Control System), Grafana, Microservices, Data Import/Export, Python Programming
★ 4.6 (53K) · Beginner · Professional Certificate · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design Patterns, Computer Programming, Algorithms, C (Programming Language), Software Design, Program Development, Graph Theory, Code Reusability, Computational Logic, Artificial Intelligence, Data Structures, Memory Management, File I/O, Simulations
★ 4.5 (9.6K) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Software Development Tools, Java, Computer Programming Tools, Object Oriented Design, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Virtual Machines, Algorithms
★ 4.4 (638) · Beginner · Course · 1 - 4 Weeks