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 Minnesota
Skills you'll gain: User Story, Agile Software Development, Software Design Patterns, Design Thinking, Software Development Methodologies, Software Design, Agile Methodology, Agile Project Management, Process Mapping, Software Engineering, Kanban Principles, Software Development Life Cycle, Software Quality Assurance, Program Development, Application Security, Scrum (Software Development), Object Oriented Design, Software Architecture, User Experience Design, Software Quality (SQA/SQC)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Web Scraping, Programming Principles, Microsoft Visual Studio, .NET Framework, Data Structures, Software Design Patterns, File I/O, Application Development, Computational Logic, Algorithms, Hypertext Markup Language (HTML), Unit Testing, Debugging
Beginner · Course · 1 - 3 Months

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, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: NoSQL, Apache Kafka, Database Design, Linux Commands, Data Warehousing, Bash (Scripting Language), Apache Hadoop, Apache Spark, MongoDB, Database Administration, Data Pipelines, SQL, IBM Cognos Analytics, Extract, Transform, Load, Jupyter, Generative AI, Professional Networking, Python Programming, Data Analysis, Data Science
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: User Research, Cascading Style Sheets (CSS), User Experience, Design Research, Linux Commands, Usability, Debugging, User Interface (UI), Command-Line Interface, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, User Interface and User Experience (UI/UX) Design, Web Design and Development, Javascript, Web Applications, Event-Driven Programming, Unit Testing, JavaScript Frameworks, API Design
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Database Design, SQL, Extract, Transform, Load, IBM DB2, Data Store, Relational Databases, Jupyter, Data Architecture, Database Management Systems, Big Data, Web Scraping, Databases, MySQL, Data Integration, Data Infrastructure, Data Storage, Data Transformation, Pandas (Python Package), Programming Principles, Python Programming
Beginner · Specialization · 3 - 6 Months
LearnQuest
Skills you'll gain: Java Programming, Java, File I/O, Eclipse (Software), Object Oriented Programming (OOP), Object Oriented Design, Integrated Development Environments, Development Environment, Software Design, Computer Programming, Application Frameworks, Programming Principles, Virtual Machines, Web Development, Debugging, Data Persistence, Package and Software Management, Data Structures
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Project Management Life Cycle, Change Management, Project Management, Project Coordination, Organizational Structure, Generative AI Agents, Program Management, Project Planning, Organizational Skills, Agile Methodology, Waterfall Methodology, Strategic Thinking
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: JSON, Computer Vision, Application Programming Interface (API), Image Analysis, Unit Testing, Object Oriented Programming (OOP), Data Processing, Restful API, Debugging, Object Oriented Design, Jupyter, Programming Principles, Web Scraping, Python Programming, Computer Programming, Data Import/Export, Integrated Development Environments, Data Manipulation, Data Structures, Functional Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Media Planning, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Order Fulfillment, Social Media Management, Online Advertising, Search Engine Optimization, Performance Measurement, Spreadsheet Software, A/B Testing, Client Services, Campaign Management, E-Commerce, Loyalty Programs, Marketing, Interviewing Skills, Applicant Tracking Systems
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

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

Skills you'll gain: GitHub, Git (Version Control System), Infrastructure as Code (IaC), Version Control, Cloud Management, Debugging, Puppet (Configuration Management Tool), Unit Testing, Infrastructure As A Service (IaaS), Bash (Scripting Language), Network Troubleshooting, Web Services, Object Oriented Programming (OOP), Application Programming Interface (API), Interviewing Skills, Applicant Tracking Systems, Data Structures, Python Programming, Configuration Management, Automation
Advanced · Professional Certificate · 3 - 6 Months