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.

AI CERTs
Skills you'll gain: Blockchain, Private Cloud, Go (Programming Language), Compliance Auditing, Frontend Integration, Microservices, Auditing, Application Programming Interface (API), Business Logic, Containerization, Security Testing, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: Go (Programming Language), Package and Software Management, Data Structures, Debugging, Software Testing, Programming Principles, Unit Testing, Object Oriented Programming (OOP), File Management, Performance Tuning, Software Design Patterns, Context Management, Embeddings
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Social Media Management, Social Media Content, Social Media, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Deployment, DevOps, CI/CD, Application Deployment, Development Environment, Cloud Applications, Continuous Deployment, Version Control, Amazon Elastic Compute Cloud, Continuous Integration, Real Time Data, Kibana, Query Languages, Data Modeling, Distributed Computing, SQL, Data Mapping, NoSQL, Relational Databases, Scalability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: 3D Modeling, Computer Graphics, Visualization (Computer Graphics), Computer Graphic Techniques, Virtual Environment, Color Theory
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Image Analysis, Cloud API, Cloud Storage, Google Cloud Platform, Application Programming Interface (API), Computer Vision, Cloud Services
Beginner · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Teradata SQL, JSON, Data Integration, Advanced Analytics, Data Cleansing, Text Mining, Data Quality, Data Analysis, Statistical Analysis, Application Programming Interface (API), Database Management, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Video Game Development, Game Design, Unity Engine, Unreal Engine, Programming Principles, User Interface (UI), Animations, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, JSON, Responsive Web Design, Ajax, Web Design and Development, Animations, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, LLM Application, Agentic systems, Tool Calling, LangChain, Artificial Intelligence, Prompt Engineering, Model Evaluation, Context Management, Scenario Testing, Performance Testing, Development Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Usability Testing, Stakeholder Engagement, User Experience Design, User Experience, Experience Design, Persona (User Experience), Workflow Management, Human Centered Design, User Centered Design, UI/UX Strategy, Wireframing, Prototyping, Design Thinking, Cross-Functional Collaboration, Information Architecture, Storytelling
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Design, Application Programming Interface (API), Restful API, Postman API Platform, Flask (Web Framework), MySQL, Databases, Software Versioning, Software Development, Design
Beginner · Course · 1 - 4 Weeks