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.

Coursera
Skills you'll gain: Brand Awareness, Branding, Brand Strategy, Style Guides, Brand Loyalty, Logo Design, Brand Marketing, Brand Management, Digital Design, Auditing, Typography, Digital Brand Strategy, Content Strategy, Graphic and Visual Design, Stakeholder Communications, Design Reviews, Case Studies, Report Writing, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Node.JS, Program Development, Hypertext Markup Language (HTML), Software Development, Web Development Tools, Web Servers, Software Testing, Code Reusability, Web Design and Development, Process Driven Development, Server Side, Development Environment, Front-End Web Development, Web Frameworks, File Management, File I/O, Full-Stack Web Development, JavaScript Frameworks, Application Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Test Script Development, Governance, System Monitoring, Blockchain, Scripting, Scalability, Distributed Computing, Payment Systems, Cryptographic Protocols, Business Analysis, Cryptography, Application Security, FinTech, Transaction Processing, Emerging Technologies, Software Development, Secure Coding, Market Dynamics, Software Development Tools, Computer Programming
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Database Management Systems, Databases, Database Development, Data Management, Data-Driven Decision-Making, Data Science, Histogram, Data Visualization Software, Business Analytics, Data Visualization, Statistical Analysis, Matplotlib, Business, E-Commerce, Environment
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Object-Relational Mapping, Database Design, Back-End Web Development, Data Modeling, Data Integrity, Health Informatics, Database Development, Program Development, Application Development, Software Architecture, Application Frameworks, Database Application, Database Systems, Operational Databases, Data Persistence, Database Management Systems, Health Care, Database Management, .NET Framework
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Cybersecurity, Cyber Attacks, Cryptography, Information Systems Security, Cyber Security Policies, Encryption, Data Security, Security Management, Network Security, IT Security Architecture, Computer Security, Security Controls, Cryptographic Protocols, Security Engineering, Network Protocols, Cyber Threat Intelligence, Security Strategy, Cyber Governance, Data Storage Technologies, Data Management
Mixed · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Software Development Life Cycle, Version Control, Program Development, Software Development, Application Deployment, Git (Version Control System), Software Design Documents, CI/CD, Software Design, DevOps, Unified Modeling Language, GitHub, Debugging, Containerization, Systems Design, Docker (Software), Code Review, Software Documentation, Functional Requirement, Requirements Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Responsive Web Design, HTML and CSS, Web Design, Layout Design, Web Design and Development, Interactive Design, Front-End Web Development, Project Design, Web Content Accessibility Guidelines, Web Content, Web Development, User Experience, Design
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Development, Javascript, Web Design, JavaScript Frameworks, Web Development Tools, Frontend Performance, Web Servers, Web Design and Development, Web Content, Web Analytics and SEO, Hypertext Markup Language (HTML), Web Applications, Front-End Web Development, Event-Driven Programming, Web Content Accessibility Guidelines, Software Development, Open Source Technology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Database Management Systems, Cloud Computing Architecture, Data Import/Export, Data Mapping, Data Strategy, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Creative Thinking, Creative Problem-Solving, Creativity, Resourcefulness, Layout Design, Time Management, Overcoming Obstacles, Curiosity, Cognitive flexibility, Design Elements And Principles, Decisiveness, Personal Development, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apple Xcode, iOS Development, Apple iOS, Swift Programming, Mobile Development, Integrated Development Environments, Application Development, User Interface (UI), Programming Principles, UI Components, Interactive Design, User Interface (UI) Design, Development Environment, Animations
Beginner · Course · 1 - 3 Months