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 North Texas
Skills you'll gain: Hospitality Management, Hospitality, Employee Training, Human Resources Management and Planning, Performance Appraisal, Leadership and Management, Team Motivation, Training Programs, Human Resources, Customer experience improvement, Recruitment, Employee Performance Management, Human Resource Strategy, Legal Risk, Employee Onboarding, Talent Acquisition, Job Analysis, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Gerontology, Competitive Analysis, Design Thinking, Demography, Innovation, Rehabilitation, Intellectual Property, Health Technology, Chronic Diseases, Health Systems, Health Care, Value Propositions, Preventative Care, Medical Equipment and Technology, Project Management, Nutrition and Diet
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: React.js, Debugging, Web Design and Development, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Unified Modeling Language, File I/O, Debugging, Object Oriented Programming (OOP), Python Programming, Computer Programming, System Programming, Pseudocode, Program Development, Event-Driven Programming, Software Design, User Interface (UI), Data Structures
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Houston
Skills you'll gain: Collaborative Software, Digital pedagogy, Education Software and Technology, Collaboration, Learning Management Systems, Teaching, digital literacy, Communication, Technology Strategies, Web Applications, Communication Systems, Digital Communications
Beginner · Course · 1 - 3 Months

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

Advancing Women in Tech
Skills you'll gain: AI Workflows, Retrieval-Augmented Generation, Business Process Automation, Multimodal Prompts, Image Analysis
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Sustainable Development, Transportation Operations, Case Studies, Economic Development, Land Management, Growth Strategies, Community Development, Geographic Information Systems, Environment and Resource Management, Stakeholder Engagement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, User Interface (UI), Browser Compatibility, Javascript, Mobile Development, Interactive Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Deployment, Integration Testing, Object-Relational Mapping, API Design, ASP.NET, Database Design, Enterprise Architecture, Docker (Software), Database Systems, Systems Integration, Data Validation, Business Logic, Development Environment
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Load Balancing, Application Servers, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Malware Protection, Network Monitoring, Object Oriented Programming (OOP), Cyber Security Assessment, Vulnerability Scanning, Network Security, Network Protocols, Network Analysis, Scripting, Remote Access Systems, Python Programming
Advanced · Course · 1 - 3 Months