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.

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, Operating System Administration, Memory Management, OS Process Management, System Software, System Programming, Command-Line Interface, Linux Administration, File Systems, System Monitoring, Performance Tuning, Package and Software Management, Systems Architecture, File Management, Algorithms, Cloud Platforms, User Accounts, Security Controls, Data Sharing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Project Management Office (PMO), Program Management, Change Management, Organizational Change, Project Portfolio Management, Agile Project Management, Project Management, Project Management Institute (PMI) Methodology, Sustainable Business, Sustainable Development, Corporate Sustainability, Sustainability Standards, Agile Methodology, Organizational Strategy, Collaboration, Data-Driven Decision-Making
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Communication, Writing, Presentations, Report Writing, Communication, Grammar, Writing and Editing, Persuasive Communication, Editing, Graphic Design, Organizational Structure
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Version Control, Integrated Development Environments, GitHub, Git (Version Control System), Internet Of Things, Development Environment, Embedded Software, Software Development Tools, Software Versioning, Embedded Systems, Program Development, Prototyping, Linux, Linux Commands, Operating System Administration, Operating Systems, Ubuntu, Peripheral Devices, Android (Operating System), Open Source Technology
Mixed · Course · 1 - 3 Months
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, HTML and CSS, Semantic Web, Cascading Style Sheets (CSS), Javascript
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Frontend Integration, CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Cloud-Native Computing, Scalability, Software Documentation, Application Deployment, Java, API Design, Java Programming, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), React.js
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Apple iOS, iOS Development, Transaction Processing, Mobile Development, Knowledge of Apple Software, User Interface (UI), User Interface and User Experience (UI/UX) Design, Payment Systems, User Experience
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Proposal Writing, Business Writing, Proposal Development, Sales Presentations, Presentations, Value Propositions, Data Visualization, Company, Product, and Service Knowledge, Business Strategy, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: CI/CD, Verification And Validation, Software Testing, Restful API, Web Development Tools, Development Testing, Code Reusability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Production, Web Analytics and SEO, Search Engine Optimization, Videography, Media Production, Content Development and Management, Driving engagement, Content Strategy, Video Editing, Content Performance Analysis, Social Media Content, Content Creation, Content Optimization, Digital Content, Branding, Brand Strategy, Live Streaming, Growth Strategies, Storytelling, Editing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medication Therapy Management, Pharmacotherapy, Pharmacology, Medical Prescription, Patient Education And Counseling, Pharmaceuticals, Clinical Pharmacy, Patient Education and Support, Drug Development, Value-Based Care, Utilization Management, Health Policy, Clinical Research, Patient Safety, Research Design, Epidemiology
Mixed · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Ancient History, Art History, Materials science, Architecture and Construction, Architectural Engineering, Hydrology, Construction Engineering, Architectural Design, Construction, Structural Engineering, Hydraulics, Structural Analysis, Geometry, Manufacturing Processes
Beginner · Course · 1 - 3 Months