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.

Stanford University
Skills you'll gain: Community Development, Maternal Health, Community Health, Obstetrics And Gynecology, Gerontology, Child Health, Health Disparities, Gynecology, Health Equity, Social Justice, Family Planning, Social Determinants Of Health, Socioeconomics, Health Education, Human Services, Advocacy, Education and Training, Immigration Law, International Relations, Cultural Diversity
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Advertising, Advertising Campaigns, Marketing Materials, Media and Communications, Media Strategy, Online Advertising, Electronic Media, Marketing Communications, Content Creation, Video Production, Digital Advertising, Copywriting, Social Media Campaigns, Video Editing, Social Media, Strategic Communication, Design, Business Communication, Design Thinking, Design Elements And Principles
Beginner · Course · 1 - 3 Months

PracticalGrowth
Skills you'll gain: Dashboard, Project Documentation, Workflow Management, Project Management, Agile Project Management, Collaborative Software, Automation, Project Risk Management, AI Enablement, Process Improvement, Prioritization, Virtual Teams, Accountability, Governance, Decision Making, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Model Deployment, AI Orchestration, AI Workflows, LangGraph, Agentic systems, Middleware, Scalability, Interoperability, LLM Application, Application Deployment, Artificial Intelligence and Machine Learning (AI/ML), LangChain, Prompt Engineering, Artificial Intelligence, Generative AI, Google Gemini, Application Programming Interface (API), Python Programming, Performance Analysis
Advanced · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, System Testing, Test Case, Test Automation, Development Testing, Test Planning, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Data
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Prompt Engineering, User Story, New Product Development, Model Based Systems Engineering, Model Evaluation, Failure Analysis, Sustainable Business, Data Mining, Field-Programmable Gate Array (FPGA), Delegation Skills, Real-Time Operating Systems, Object Oriented Design, Sampling (Statistics), Proposal Writing, Supplier Management, Accountability, Data Ethics, Sustainability Reporting, Database Design, Supervised Learning
Earn a degree
Degree · 1 - 4 Years

Duke University
Skills you'll gain: File I/O, Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Web Servers
Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Prompt Engineering, Search Engine Optimization, Keyword Research, Blogs, Writing and Editing, Content Creation, Generative AI Agents, Web Content, Copywriting, Workflow Management, AI Personalization, Business Writing, Generative AI, AI Enablement, Content Strategy, Writing, Editing, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Splunk, Performance Tuning, Scalability, Data Pipelines, Real Time Data, Distributed Computing, System Monitoring, Debugging, Data Processing, Query Languages, Configuration Management
Beginner · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Digital Signal Processing, Image Analysis, Computer Vision, Visualization (Computer Graphics), Matlab, Mathematical Modeling, Color Theory, Applied Mathematics
Mixed · Course · 1 - 3 Months

Lund University
Skills you'll gain: Sustainable Development, Climate Change Adaptation, Sustainable Design, Sustainable Technologies, Community Development, Governance, Socioeconomics, Water Sustainability, Environment, Sustainable Business, Social Impact, Systems Thinking, Environmental Issue, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Multimedia, Business Modeling, Innovation
Beginner · Specialization · 3 - 6 Months

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