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.

Scrimba
Skills you'll gain: Javascript, Cross Platform Development, Web Applications, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Journey Mapping, Collaborative Software, User Experience, Customer experience improvement, Customer experience strategy (CX), Experience Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Instructional Strategies, Digital pedagogy, Student Engagement, Prompt Engineering Tools
Intermediate · Course · 1 - 4 Weeks

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: Puppet (Configuration Management Tool), Devops Tools, Software Configuration Management, Software Installation, Infrastructure as Code (IaC), Package and Software Management, Systems Architecture, System Configuration, DevOps, Configuration Management, Development Environment, Infrastructure Architecture, Data Store
★ 3.1 (8) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Telecommuting, Virtual Teams, Collaborative Software, Drive Engagement, Productivity, Productivity Software, Team Performance Management, Leadership, Teamwork, Meeting Facilitation, Employee Engagement, Collaboration, Driving engagement, Leadership Development, Business Correspondence, People Management, Communication, Business Writing, Communication Strategies
★ 4.7 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Amazon S3, Network Architecture, Cloud Security, Cloud Storage, Cloud Infrastructure, Virtual Networking, Network Planning And Design, Data Storage, Network Infrastructure, Cloud Computing, Network Administration, Network Security, Computer Networking, Data Storage Technologies, Security Controls, Security Management, File Systems, Data Management, Application Lifecycle Management
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Apache Kafka, Prometheus (Software), Data Governance, Distributed Computing, Data Processing, Data Store, Event Monitoring, Network Monitoring, Systems Architecture, Performance Metric, Network Troubleshooting, Network Architecture
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Blogs, Digital Marketing Tools, Competitive Analysis, Quality Assessment, Content Creation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Content, Web Development
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Model Context Protocol, Load Balancing, Containerization, Docker (Software), Model Deployment, Restful API, API Design, Application Programming Interface (API), AI Integrations, Authentications, Tool Calling, Scalability, Context Management, Performance Tuning, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Presentations, Photo Editing, Social Media Content, Graphic and Visual Design Software, Graphic Design, Photo/Video Production and Technology, Creative Design, Content Creation, Visual Storytelling, Marketing Collateral, Design, Visual Design, Graphic and Visual Design, Video Editing, Brochures, Collaborative Software, Design Elements And Principles, Branding, Marketing Materials
Beginner · Course · 1 - 4 Weeks