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.

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

University of Illinois Urbana-Champaign
Skills you'll gain: Disabilities, Learning Management Systems, Education Software and Technology, Web Content Accessibility Guidelines, Pedagogy, Differentiated Instruction, Digital pedagogy, Education and Training, Childhood Education and Development, Human Learning, Child Development, School Psychology, Formal Learning, Instructional Strategies, Teaching, Instructional Design, Diversity Awareness, Learning Theory, Curriculum Development, Interactive Design
★ 4.7 (1.1K) · Beginner · Specialization · 3 - 6 Months
University of Virginia
Skills you'll gain: Brainstorming, Design Thinking, Ideation, Creative Thinking, Innovation, Design Strategies, Product Development, Product Design, Strategic Thinking, User Feedback, Prioritization, Stakeholder Engagement, Decision Making, Data-Driven Decision-Making, Collaboration, Customer Engagement
★ 4.6 (85) · Beginner · Course · 1 - 3 Months

Epic Games
Skills you'll gain: Unreal Engine, User Interface (UI), User Interface (UI) Design, UI Components, Game Design, Video Game Development, User Interface and User Experience (UI/UX) Design, Software Design, Code Reusability, User Experience, UI/UX Strategy, Prototyping
★ 3.4 (23) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, AI literacy, Brainstorming, AI powered creativity, Email Automation, Ideation, Timelines, AI Enablement, LLM Application, AI Personalization, Taking Meeting Minutes, Concision, Large Language Modeling, Business Writing
★ 4.8 (1.2K) · Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Safety Standards, Safety Training, Safety Assurance, Robotics, Hazard Analysis, Equipment Design, Risk Control, Human Factors, Product Testing, Failure Analysis, Automation, Manufacturing and Production
★ 4.7 (260) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wiring Diagram, Architectural Drawing, AutoCAD, Electrical Wiring, Electrical Systems, Electrical Equipment, Technical Drawing, Electrical Power, Drafting and Engineering Design, Computer-Aided Design, Engineering Drawings, Schematic Diagrams, Engineering Design Process, Commercial Construction, Electrical Engineering, Layout Design, Autodesk, Technical Documentation, AutoCAD Civil 3D, Design Software
★ 4.8 (25) · Beginner · Specialization · 1 - 3 Months

L&T EduTech
Skills you'll gain: Stormwater Management, Water Sustainability, Electric Power Systems, Sustainable Technologies, Water Resource Management, Water Resources, Thermal Management, Mechanical Engineering, Risk Control, Engineering Calculations
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Vulnerability Management, Security Engineering, Secure Coding, Software Design Patterns, Software Architecture, Software Visualization, Exploitation techniques, Cryptography, Cryptographic Protocols, Blockchain, Public Key Cryptography Standards (PKCS), Data Validation
★ 4.6 (94) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Instructional and Curriculum Design, Needs Assessment, Education Software and Technology, Instructional Design, Education and Training, Diversity and Inclusion, Learning Theory, Training and Development, Instructional Strategies, People Development, Educational Materials, Pedagogy, Curriculum Development, Systems Analysis, Job Analysis, Process Analysis, Adult Education, Emerging Technologies, Data Ethics, Change Management
★ 4.6 (3K) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Azure DevOps Pipelines, Microservices, Containerization, User Interface (UI), User Interface and User Experience (UI/UX) Design, DevOps, UI Components, User Interface (UI) Design, ASP.NET, UI/UX Strategy, Secure Coding, Mobile Development Tools, Version Control
★ 4.2 (56) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Risk Analysis, Risk Management, Risk Management Framework, Project Portfolio Management, Business Risk Management, Enterprise Risk Management (ERM), Business Analysis, Risk Mitigation, Portfolio Management, Solution Design, Program Implementation, Project Implementation, Solution Architecture, Solution Delivery, Business Solutions, Business Strategies, Business Planning, System Implementation, Plan Execution, Change Management
★ 4.8 (34) · Beginner · Course · 1 - 4 Weeks