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.

Cisco Learning and Certifications
Skills you'll gain: Open Shortest Path First (OSPF), Network Support
Beginner · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Jenkins, Kubernetes, Docker (Software), Devops Tools, DevOps, Continuous Integration, Containerization, Application Deployment, Continuous Deployment, GitHub, Development Environment, Version Control, System Configuration
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, 3D Modeling, Computer Graphics, Video Game Development, Model Optimization, Visualization (Computer Graphics), File Management, Computer Graphic Techniques, Graphical Tools, Data Import/Export, Image Quality
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Python Programming, Data Structures, Scripting, Web Development, Data Persistence, Full-Stack Web Development, Automation, Programming Principles, Program Development, Code Reusability, File Systems, Data Manipulation, Computational Logic, File Management, Debugging, Application Deployment, Development Environment
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Design, Computational Logic, Verification And Validation, Computer Engineering, Communication Systems, Software Systems, Process Modeling, Theoretical Computer Science, Graph Theory
★ 4.7 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JavaScript Frameworks, Event-Driven Programming, Javascript, Frontend Performance, Frontend Integration, Object Oriented Programming (OOP), Video Game Development, Web Development, Scripting, Development Environment, Cascading Style Sheets (CSS), Front-End Web Development, Data Validation, Real Time Data, Prototyping, Data Integrity, Programming Principles, Computational Logic, Data Storage, Code Reusability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Salesforce, Salesforce Development, Customer Relationship Management (CRM) Software, Customer Relationship Management, Data Validation, Cloud Computing Architecture, Object-Relational Mapping, Cloud Computing, Application Design, Data Integrity, System Configuration, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Swift Programming, Apple iOS, Core Data (Software), Interactive Design, User Interface (UI) Design, Data Persistence, Test Driven Development (TDD), Mobile Development, Application Design, Application Deployment, Animation and Game Design, Plot (Graphics), User Interface (UI), UI Components, Machine Learning Software, Software Architecture, Performance Tuning, Code Reusability, Data Integration
Intermediate · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Cloud Computing Architecture, Load Balancing, Kubernetes, Google Cloud Platform, Network Architecture, Enterprise Architecture, Network Troubleshooting, Network Monitoring, Cloud Infrastructure, Cloud Computing, Cloud Engineering, Cloud-Native Computing, Virtual Networking, Google App Engine, Cloud Services, Firewall, Cloud Deployment, Network Infrastructure, Network Planning And Design, Network Security
Advanced · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Team Performance Management, Teamwork, Team Building, Team Collaboration, Team Management, Virtual Teams, Collaboration, Intercultural Competence, Team Leadership, Conflict Management, Team Motivation, Performance Measurement, Performance Analysis, Cooperation, Productivity, Cultural Diversity, Cultural Sensitivity, Drive Engagement
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Waste Minimization, Environmental Social And Corporate Governance (ESG), Sustainable Technologies, Environmental Regulations, Sustainable Business, Environmental Laws, Environmental Monitoring, Sustainability Standards, Sustainable Engineering, Sustainable Development, Sustainable Design, Sustainability Reporting, Corporate Sustainability, Compliance Management, Regulatory Compliance, Manufacturing and Production, Environmental Engineering, Manufacturing Processes, Energy and Utilities, Innovation
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Customer Communications Management, Data Ethics, AI Integrations, Agentic Workflows, Quality Monitoring, Emerging Technologies
Beginner · Course · 1 - 3 Months