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.

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Theoretical Computer Science, Mathematical Theory & Analysis, Arithmetic, Computational Thinking, Public Key Cryptography Standards (PKCS), Data Structures, Applied Mathematics, Logical Reasoning, Deductive Reasoning
Beginner · Course · 1 - 3 Months

Google AR & VR
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Virtual Environment, 3D Assets, Unity Engine, User Experience Design, Mobile Development, User Experience, Computer Vision, User Interface and User Experience (UI/UX) Design, User Flows
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Responsible AI, Model Evaluation, GitHub, Application Programming Interface (API), AI Enablement, Generative AI, Development Environment, API Design, LLM Application, Cloud Development, Microsoft Azure, Scalability, Authentications, Data Validation
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Predictive Modeling, Data Analysis, Research, AI Product Strategy, Statistical Analysis, Data Preprocessing, Data Science, Research Methodologies, AI Enablement, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, Generative AI, Research and Design, Research Reports, Ethical Standards And Conduct, Qualitative Research, Emerging Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Event-Driven Programming, Server Side, Front-End Web Development, Computer Networking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SketchUp (3D Modeling Software), Architectural Drawing, Spatial Analysis, AutoCAD, Visualization (Computer Graphics), Data Mapping, Graphic and Visual Design, 3D Modeling, Technical Communication, Color Theory, Microsoft Office
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Survey Creation, Data Collection, Statistical Analysis, Data Analysis Software, Interviewing Skills, Surveys, Research Design, STATA (Software), Data Integration, Data Validation, Data Ethics, Data Analysis, Stata, Data Quality, Statistical Modeling, Qualitative Research, Data Cleansing, R Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft PowerPoint, Presentations, Data Storytelling, Verbal Communication Skills, Public Speaking, Data Visualization, Business Communication, Storytelling, Communication, Peer Review, Communication Strategies, Data Analysis, Target Audience
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Algorithms, Computer Programming, Web Applications, Debugging, Object Oriented Programming (OOP), Information Technology, Data Structures, Computational Thinking, Javascript, SQL, Databases
Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Cloud Computing, Apache Spark, Web Services, Cloud Services, Cloud Computing Architecture, Cloud Infrastructure, PySpark, Cloud Applications, Cloud Platforms, Data Pipelines, Google Cloud Platform, Distributed Computing, Data Processing, Cloud Storage, Docker (Software), Virtualization, Containerization, Restful API, Data Architecture
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

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

Skills you'll gain: 3D Modeling, 3D Assets, Unity Engine, Computer Graphic Techniques, Animation and Game Design, Video Game Development, Graphics Software, Data Mapping, Data Import/Export, Systems Integration
Intermediate · Course · 1 - 3 Months