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 Maryland, College Park
Skills you'll gain: User Story, Negotiation, Data Presentation, Risk Management, Professional Development, Business Risk Management, Drive Engagement
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Server Side, Restful API, API Design, Database Management, Back-End Web Development, Databases, Database Systems, Node.JS, Application Programming Interface (API), Full-Stack Web Development, Authentications, Web Applications, JavaScript Frameworks, Web Development, Web Servers, Authorization (Computing), NoSQL, MongoDB, Servers, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Video Production, Video Editing, Videography, Photo/Video Production and Technology, Cinematography, Storytelling
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Kotlin, Android Jetpack, Cross Platform Development, Mobile Development, Cloud Deployment, Android Development, Back-End Web Development, Google Cloud Platform, MongoDB, User Interface (UI), Restful API, Application Programming Interface (API), API Design
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft Office, Proofreading, Microsoft 365, Business Writing, Document Management, Productivity Software, Editing, Microsoft Windows, Writing and Editing, Computer Literacy, Technical Documentation, Writing, Web Content, Report Writing, Business Communication, Productivity, Collaborative Software, Collaboration, Web Content Accessibility Guidelines
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Web Development Tools, Javascript, Cross Platform Development, Web Applications, Node.JS, Web Development
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Embedded Systems, Control Systems, Programmable Logic Controllers, Robotics, Internet Of Things, C (Programming Language), Automation, Simulation and Simulation Software, Integration Testing, Cloud Computing, Electronic Components, Computer Hardware, Matlab
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Architecture, Security Engineering, Internet Of Things, Encryption, Information Systems Security, Vulnerability Assessments, Threat Modeling, Data Security, Security Requirements Analysis, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Authentications, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Analysis, Regional Sales, Sales, Data Analysis Software, Data Analysis, Query Languages, Trend Analysis, Databases, Customer Insights, Performance Analysis, Market Opportunities, Product Assortment
Intermediate · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Diversity and Inclusion, Workplace inclusivity, Leadership, Organizational Leadership, Diversity Awareness, Organizational Change, Cultural Diversity, Governance, Advocacy, Social Justice, Organizational Structure
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Angular, Responsive Web Design, HTML and CSS, Web Design and Development, JavaScript Frameworks, Web Applications, Web Components
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Development, Cloud Applications, Containerization, .NET Framework, Performance Tuning, Application Development, C# (Programming Language), Application Performance Management, Scalability, Web Applications, UI Components
Intermediate · Course · 1 - 4 Weeks