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: Model Optimization, Systems Design, Design Software, Engineering Calculations, Engineering Analysis, Technical Design, Engineering, Scientific, and Technical Instruments, Systems Analysis, Numerical Analysis, Simulation and Simulation Software, Image Quality, Medical Imaging, Graphical Tools, Physics
Build toward a degree
Advanced · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, User Interface (UI), Figma (Design Software), User Interface and User Experience (UI/UX) Design, UI Components, User Experience Design, Layout Design, User Centered Design, Prototyping, Interactive Design, Design Software
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Web Content Accessibility Guidelines, Web Design, Usability, HTML and CSS, Web Design and Development, Hypertext Markup Language (HTML), Typography, Color Theory, Semantic Web
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Visualization, Data Visualization Software, Tableau Software, Data Storytelling, Data Presentation, Exploratory Data Analysis, Visual Design, Statistical Visualization, Graphic and Visual Design, Design Elements And Principles, Data Analysis, Color Theory, Data Ethics, Statistical Analysis, Anomaly Detection, User Centered Design, Human Factors, Aesthetics
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Information Architecture, Technical Documentation, Audit Planning, Software Documentation, Auditing, Document Control, Document Management, Internal Auditing, User Centered Design, Scalability, Content Strategy, Content Management, Data Quality, Content Performance Analysis, Content Optimization, Content Development and Management, Data Governance, Process Improvement and Optimization, Governance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power Electronics, Electric Power Systems, Electrical Power, Electrical Systems, Electrical Engineering, High Voltage, Simulation and Simulation Software, Torque (Physics), Simulations, Engineering Calculations, Engineering Analysis, Energy and Utilities, Mechanics, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Planning And Design, Network Troubleshooting, Internet Of Things, Network Security, Network Engineering, Network Architecture, Computer Networking, Network Infrastructure, Network Routers, TCP/IP, Network Routing, Virtual Local Area Network (VLAN), Routing Protocols, System Configuration, Network Switches, Firewall, Enterprise Architecture, Dynamic Host Configuration Protocol (DHCP), Scalability
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Data Analysis, Research Design, Epidemiology, Statistical Inference, Statistical Analysis, Analysis, Clinical Research, Biostatistics, Quantitative Research, Public Health, Statistical Methods, Health Care, Probability & Statistics, Research Methodologies, Research, Clinical Trials, Science and Research, Medical Science and Research, Statistics, Descriptive Statistics
Intermediate · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Game Design, Conceptual Design, Video Game Development, Technical Communication, Virtual Environment, Art History, Ideation, Storytelling, Design Strategies, Visual Storytelling, Creative Design, Aesthetics, Design Research, Creativity
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, HTML and CSS, User Interface (UI), User Interface and User Experience (UI/UX) Design, Web Design, Figma (Design Software), Typography, Digital Design, Front-End Web Development, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Mockups, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Development, Web Development Tools, Software Engineering
Intermediate · Specialization · 3 - 6 Months

Dassault Systèmes
Skills you'll gain: Assembly Drawing, Computer Aided Three-Dimensional Interactive Application (CATIA), Computer-Aided Design, Mechanical Design, Technical Design, Engineering Analysis
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Engineering Drawings, Mechanical Drawings, Structural Analysis, Design Specifications, Hydraulics, Mechanical Design, Petroleum Industry, Building Codes, Technical Drawing, Process Flow Diagrams, Civil Engineering, Construction Management, Oil and Gas, Construction, Engineering Analysis, Engineering Calculations, Mechanical Engineering, Chemical Engineering, Process Analysis, Process Engineering
Intermediate · Specialization · 3 - 6 Months