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 System
Skills you'll gain: Cross-Functional Collaboration, Collaboration, Cross-Functional Team Leadership, Cooperation, Team Collaboration, Team Leadership, Team Management, Self-Awareness, Personal Attributes, Relationship Building
★ 4.7 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Javascript, Web Development Tools, Jest (JavaScript Testing Framework), Web Design and Development, Object Oriented Programming (OOP), Web Development, Application Programming Interface (API), HTML and CSS, Back-End Web Development, Web Applications, JSON, Restful API, Event-Driven Programming, Application Development, Application Deployment, Unit Testing, Programming Principles, Data Structures, Prototyping
★ 5 (6) · Beginner · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Shop Drawing, Drafting and Engineering Design, Construction Inspection, Structural Engineering, Structural Analysis, Building Design, Construction, Manufacturing Processes, Construction Engineering, Engineering Practices, Building Codes, Production Process, Engineering Tolerance, Verification And Validation, Product Testing, Engineering Calculations
Advanced · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), TCP/IP, Network Administration, Network Switches, General Networking, Network Architecture, OSI Models, Network Routers, Network Planning And Design, Network Engineering, Local Area Networks, Networking Hardware, Computer Networking, Network Infrastructure, Network Model, Network Protocols, Command-Line Interface
★ 3.9 (18) · Mixed · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Systems, Relational Databases, Database Software, Databases, Database Management, Database Theory, Database Design, Database Management Systems, SQL, Database Application, Query Languages, Performance Tuning, Data Integrity, Data Manipulation, Authorization (Computing), Data Processing
★ 4.4 (34) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Java, Test Tools, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: OpenAI API, OpenAI, Image Analysis, Generative AI, ChatGPT, LLM Application, Multimodal Prompts, Tool Calling, Application Programming Interface (API), Large Language Modeling, Artificial Intelligence, AI Integrations, Natural Language Processing, Computer Vision, File Management
★ 3.9 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Star Schema, Database Design, Data Security, Data Visualization Software, Spreadsheet Software, Performance Tuning, Data Access, Performance Improvement, Model Optimization, Data Manipulation
★ 4.9 (9) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Pandas (Python Package), NumPy, Probability & Statistics, Unsupervised Learning, Applied Machine Learning, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Jupyter, Data Manipulation, Machine Learning Algorithms, Descriptive Statistics, Plot (Graphics), Data Processing, Data Visualization Software, Python Programming, Machine Learning
★ 4.5 (22) · Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, User Experience Design, Usability, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Web Design and Development, Front-End Web Development, GitHub Copilot, Mobile Development, Semantic Web, Git (Version Control System)
★ 4.7 (34) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Frontend Integration, Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Spring Framework, Object-Relational Mapping, Web Services, JavaScript Frameworks, Front-End Web Development, YAML, Web Applications, Back-End Web Development, Data Access, Database Application, User Interface (UI), Context Management, Application Programming Interface (API), Databases
★ 4.6 (30) · Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Data Governance, Data Management, Data Modeling, Data Quality, Data Integration, Metadata Management, Data Transformation, Data-Driven Decision-Making, Taxonomy, Data Pipelines, Business Process Automation, IT Automation
★ 4.7 (60) · Beginner · Course · 1 - 3 Months