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.

Coursera
Skills you'll gain: Backlogs, Jira (Software), Sprint Planning, Agile Methodology, Agile Product Development, User Story, Data-Driven Decision-Making, Workflow Management, Prioritization, Process Design, Continuous Improvement Process, Quality Assurance, Standard Operating Procedure
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Animations, Figma (Design Software), Photo Editing, User Accounts, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle Databases, Operational Databases, Package and Software Management, Scalability, Database Management Systems, Database Management, Database Architecture and Administration, Software Installation, Disaster Recovery, Performance Tuning, Verification And Validation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Marketing, Video Editing, Graphic and Visual Design Software, Web Content, Content Creation, Photo/Video Production and Technology, Video Production, Graphical Tools, Marketing, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Public Health and Disease Prevention, Public Health, Chronic Diseases, Preventative Care, Community Health, Empathy & Emotional Intelligence, Cardiology, Professional Development, Training Programs, Health Disparities, Health Policy, Education and Training, Care Management, Public Policies, Adult Education, Health Education, Adult Learning Principles, Program Evaluation, Train The Trainer, Collaboration
★ 5 (7) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Software Design Documents, React.js, Web Applications, Web Design and Development, Package and Software Management, Web Development, Version Control, Software Documentation, Web Development Tools, Software Configuration Management, Program Development, JavaScript Frameworks, Web Content Accessibility Guidelines, Application Deployment, Frontend Performance, Software Architecture, Dashboard Creation, Cloud Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Generative AI Agents, Agentic Workflows, AI Workflows, Agentic systems, Business Process Automation, Real Time Data, MLOps (Machine Learning Operations), AI Personalization, IT Automation, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, No-Code Development, Cloud-Based Integration, Business Transformation, Cloud API, Python Programming, Data Analysis, Restful API, API Design
Intermediate · Course · 1 - 4 Weeks

Fudan University
Skills you'll gain: Unity Engine, Mobile Development, Video Game Development, Android Development, Cloud Deployment, Game Design, Application Deployment, Android (Operating System), Mobile Development Tools, Back-End Web Development, Cloud Development, Cloud Applications, Digital Analysis, Data Analysis Software, Data Integration, Data Store, Event Monitoring, User Accounts, Numerical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Responsible AI, Data Ethics, Model Training, Model Deployment, Technical Design, Prompt Engineering, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Technical Communication, Communication, AI Workflows, MLOps (Machine Learning Operations), LLM Application, Apache Airflow, System Design and Implementation, Python Programming, CI/CD, SQL, AWS CloudFormation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Embeddings, Artificial Intelligence, Image Analysis, Multimodal Prompts, Vector Databases, AI Integrations
Beginner · Project · Less Than 2 Hours

Packt
Skills you'll gain: Plotly, PyTorch (Machine Learning Library), NumPy, Matplotlib, Pandas (Python Package), Plot (Graphics), Data Visualization Software, Interactive Data Visualization, Machine Learning Methods, Python Programming, Applied Machine Learning, Scatter Plots, Numerical Analysis, Data Manipulation, Deep Learning, Image Analysis, Linear Algebra, Data Wrangling
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Content, Web Design and Development, Web Design, Web Development, Typography, Web Applications, Front-End Web Development, Web Servers, Embeddings, Web Development Tools, Software Development
Mixed · Course · 1 - 4 Weeks