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 Colorado Boulder
Skills you'll gain: Building Services Engineering, HVAC, Building Design, Energy and Utilities, Engineering, Thermal Management, Sustainable Engineering, Mechanical Engineering, Engineering Calculations, Sustainable Design, Architectural Design, Engineering Analysis, Climate Change Mitigation, Trigonometry
Advanced · Course · 1 - 3 Months

Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Authentications, MongoDB, Postman API Platform, Restful API, Server Side, Middleware, JSON, Application Programming Interface (API), Web Development Tools, Web Applications, Javascript, Back-End Web Development, API Testing, NoSQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, Database Development, Database Management Systems, Relational Databases, Transact-SQL, Database Architecture and Administration, Data Analysis, Analytics, Data Import/Export, Scripting
Beginner · Course · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Data Validation, Data Transformation, Applied Machine Learning, Object-Relational Mapping, Data Wrangling, Data Cleansing, Data Manipulation, Data Integration, Web Scraping, Data Quality, Data Pipelines, Pandas (Python Package), Descriptive Statistics, Data Modeling, Data Science, Python Programming, Scikit Learn (Machine Learning Library), Extensible Markup Language (XML), Data Analysis
Beginner · Specialization · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Cloud Computing, Cloud Deployment, Apache Spark, Web Services, Cloud Technologies, Cloud Services, Virtualization and Virtual Machines, Cloud Computing Architecture, PySpark, Cloud Infrastructure, Cloud Development, Distributed Computing, Data Processing, Cloud Storage, Docker (Software), Virtualization, Containerization, Restful API, Data Architecture
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Java Programming, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Cryptographic Protocols, Authentications, Application Security, Data Import/Export, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Social Media Content, Social Media, Social Media Marketing, Graphic and Visual Design Software, Graphic Design, Graphical Tools, Graphic and Visual Design, Content Creation, Social Media Strategy, Shared Media, Multimedia, Organizational Skills, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Design Thinking, Technical Product Management, Product Management, Product Lifecycle Management, Agile Methodology, Agile Product Development, Product Development, Go To Market Strategy, Agile Software Development, New Product Development, Product Strategy, Data Visualization Software, Market Analysis, Technical Management, Product Marketing, Market Research, Customer Analysis, Target Market, Commercialization, Data Analysis Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, Prompt Engineering, AI Integrations, Generative AI, ChatGPT, AI literacy, AI Workflows, Application Development, Code Review, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Automation, Safety Assurance, Safety Standards, Electrical Systems, Emerging Technologies, Environmental Issue, Computer Vision, Artificial Intelligence, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operations Support Systems, Decision Intelligence, Operational Analysis, AI Security, Operational Efficiency, Business Intelligence, Workflow Management, AI Enablement, AI Integrations, Business Process Automation, Cyber Governance, System Monitoring, Infrastructure Security, Process Optimization, AI literacy, Network Security, Network Infrastructure
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Workflow Management, Dashboard, Project Management Software, Process Design, Project Management
Beginner · Guided Project · Less Than 2 Hours