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.

IE Business School
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Workplace inclusivity, Cultural Diversity, Human Resource Policies, Employee Engagement, Human Resources, Employee Retention, Organizational Leadership, Relationship Building, Mentorship, Empathy & Emotional Intelligence, Business Strategy, Leadership, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Responsive Web Design, Web Design and Development, Mockups, Web Design, Web Content Accessibility Guidelines, Prototyping, Javascript, Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Git (Version Control System), Postman API Platform, Web Design, Hypertext Markup Language (HTML), MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Web Design and Development, Scripting, Browser Compatibility
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computer Hardware, SQL, Database Design, Hardware Troubleshooting, Databases, Computer Networking, Relational Databases, Network Protocols, Information Technology, Network Routers, Wireless Networks, System Configuration, Peripheral Devices
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Active Directory, Load Balancing, Virtual Networking, Network Architecture, Authorization (Computing), Data Security, Relational Databases, Authentications, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Computing Architecture, Disaster Recovery, Cloud Management, Cloud Security, Single Sign-On (SSO), Databases, General Networking
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Amazon Web Services, Tensorflow, Applied Machine Learning, Machine Learning Methods, Natural Language Processing, Classification Algorithms, Software Design, Application Development, Supervised Learning, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Storytelling, Team Leadership, Recognizing Others, Team Building, Team Management, Self-Awareness, Personal Development, Professional Development, Employee Engagement, Communication Strategies, Mindfulness
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Machine Learning Algorithms, Computer Vision, Applied Machine Learning, Image Analysis, Civil Engineering, Artificial Intelligence, Electrical Substation, Machine Learning, Tensorflow, Convolutional Neural Networks, PyTorch (Machine Learning Library), Deep Learning, Artificial Neural Networks, Electric Power Systems, Electrical Engineering, Oil and Gas, Mechanical Engineering, Data Preprocessing, Healthcare 5.0
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Scalability
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: LangGraph, AI Orchestration, System Monitoring, CrewAI, Agentic Workflows, Continuous Monitoring, Agentic systems, Enterprise Application Management, Event Monitoring, Artificial Intelligence and Machine Learning (AI/ML), Site Reliability Engineering, AI Enablement, Model Deployment, Generative AI Agents, Generative Model Architectures, AI Security, Systems Architecture, Software Architecture, Application Deployment, Middleware
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaborative Software, Design, Graphic and Visual Design, Graphic and Visual Design Software, Graphic Design, Data Sharing, User Accounts, Marketing
Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Python Programming, Data Pipelines, Scripting, Computer Programming, Data-oriented programming, Scripting Languages, Software Engineering
Beginner · Guided Project · Less Than 2 Hours