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.

Skills you'll gain: Product Testing, Laboratory Testing, Structural Engineering, Construction Inspection, Process Validation, Construction Engineering, Construction, Civil Engineering, Engineering Analysis, Simulation and Simulation Software, Safety Standards
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Business Strategy, Organizational Strategy, Business Planning, Strategic Decision-Making, Stakeholder Management, Data Visualization, Competitive Analysis, Market Analysis, Goal Setting, Key Performance Indicators (KPIs), Analysis, Performance Metric
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Event-Driven Programming, User Interface (UI), Software Design, UI Components, User Interface (UI) Design, Application Design, Development Environment, Cross Platform Development, Application Development, Data Entry
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Systems Architecture, Configuration Management, Systems Development, Systems Development Life Cycle, Systems Design, Reliability, Risk Management, Risk Management Framework, Systems Analysis, Systems Integration, Requirements Analysis, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Code Review, Data Validation
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Nutritional Assessment, Health Assessment, Diagnostic Tests, Physiology, Endocrinology, Biochemistry, Laboratory Testing, Pathology, Nutrition and Diet, Clinical Nutrition, Biology, Systems Analysis, Molecular Biology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Javascript, Web Development Tools, Application Programming Interface (API), Game Design, Restful API, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Instagram, Marketing Design, Graphic Design, Social Media Campaigns, Social Media Content, Content Creation, Social Media Marketing, Design, Graphic and Visual Design, Brand Awareness, Social Media, Social Impact, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Search Engine Optimization, Blogs, Keyword Research, Web Analytics and SEO, Web Content, Content Development and Management, Content Creation, Content Strategy, AI Enablement, Editing, Generative AI, Writing
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Sprint Planning, Sprint Retrospectives, Agile Methodology, Backlogs, Agile Project Management, Estimation, Capacity Planning, User Story, Dependency Analysis, Cross-Functional Team Leadership, Prioritization, Collaboration, Stakeholder Management, Risk Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Slack (Software), Marketing Materials, Marketing Design, Shared Media, Multimedia, Content Creation, Social Media Content, Graphic Design, Calendar Management, Content Marketing, User Accounts, Business Communication, Marketing Communications, Cloud-Based Integration, Team Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Flutter (Software), Cross Platform Development, Web Applications, Mobile Development, Application Development, User Interface (UI) Design, Development Environment
Beginner · Project · Less Than 2 Hours