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.

Zoho Corporation
Skills you'll gain: Account Management, Sales Process, Process Mapping, Customer Relationship Management (CRM) Software, Sales Management, Customer Relationship Management, Prospecting and Qualification, Customer Retention, Sales, Sales Strategy, New Business Development, Organizational Structure, Upselling, Prioritization
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Relational Databases, Database Management, Database Systems, Performance Tuning, Databases, Database Administration, Query Languages
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Firewall, Terraform, Virtual Networking, Virtual Machines, Infrastructure as Code (IaC), Network Infrastructure, Google Cloud Platform, IT Automation, Network Security, Verification And Validation, Cloud Deployment, Network Model
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Web Content Accessibility Guidelines, Test Automation, Usability, Human Centered Design, Usability Testing, User Interface (UI), Agile Product Development, UI/UX Strategy, Front-End Web Development, Software Testing, CI/CD
Advanced · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Organizational Change, Stakeholder Management, Change Management, Team Management, Leadership and Management, Organizational Leadership, Culture Transformation, Team Building, Service Management, Innovation, Service Design, Service Improvement, Process Management, Operations Management, Process Improvement, Healthcare Industry Knowledge, Health Care Administration, Process Design, Continuous Improvement Process, Leadership
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MongoDB, Back-End Web Development, NoSQL, Data Transformation, Data Maintenance, Database Design, Databases, Data Cleansing, Data Manipulation, JSON, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Integrated Development Environments, Code Review, AI Workflows, Software Design, Python Programming, Version Control, Java Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Design, Design Elements And Principles, Creativity, Peer Review, Color Theory
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, AI Orchestration, Generative AI Agents, Anthropic Claude, Prompt Engineering, Tool Calling, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Brand Strategy, Presentations, Branding, Design Thinking, Style Guides, Marketing Strategies, Graphic and Visual Design, Adobe Illustrator, Adobe Photoshop, Target Audience, Color Theory, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: MySQL, Database Design, Python Programming, User Interface (UI) Design, UI Components, Database Application, Database Management, Software Design, Application Development, Data Access
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Copywriting, ChatGPT, Lead Generation, Social Media Content, Digital Publishing, Sales Process, Web Content, Sales Development, Marketing Materials, Content Creation, Digital Content, Advertising, Email Marketing, Prompt Engineering, Entrepreneurship, Persona Development
Beginner · Course · 1 - 4 Weeks