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.

Yale University
Skills you'll gain: Health Promotion, Health Education, Media and Communications, Social Impact, Behavioral Health, Web Content, Digital Analysis, Program Evaluation, Digital Communications, Persuasive Communication, Public Health, Driving engagement, Survey Creation, Data Collection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Seaborn, Exploratory Data Analysis, Data Visualization, Plot (Graphics), Regression Analysis, Statistical Visualization, Box Plots, Data Analysis, Statistical Reporting, Visualization (Computer Graphics), Data Analysis Software, Design, C and C++, Build Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Access, Excel Macros, Electronic Medical Record System, Clinic Management Systems, Health Information Management, Medical Records, Medical History Documentation, Case Report Forms, Microsoft Excel, Databases, SQL, Database Management Systems, Microsoft Project, Database Management, Database Systems, Patient Observation, Automation, Operations, Design, Business
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Google Ads, Pay Per Click Advertising, Keyword Research, Online Advertising, Target Audience, Digital Advertising, Paid media, Conversion Funnel Analysis, Performance marketing, Campaign Planning, Campaign Management, Advertising Campaigns, Budget Management, Data-Driven Marketing, Forecasting, Bidding, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Architecture, WordPress, Secure Coding, Data Management, Content Management Systems, Data Storage, Content Management, PHP (Scripting Language), Back-End Web Development, Maintainability, Code Reusability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Context Engineering, Retrieval-Augmented Generation, AI Orchestration, LLM Application, Prompt Engineering, Responsible AI, Generative AI Agents, Model Context Protocol, Context Management, Prompt Engineering Tools, Agentic Workflows, Token Optimization, OpenAI, Agentic systems, AI Security, Large Language Modeling, Hardening, Systems Architecture, Software Architecture, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File Management, Document Management, Data Management, Data Governance, Data Literacy, Records Management, Data Cleansing, File Systems, Data Analysis, Data Processing, Data Maintenance, Record Keeping, Data Quality, Version Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Debugging, Code Reusability, Computational Thinking, File Management, Programming Principles, C and C++, Program Development, Data Storage, Application Design
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Email Automation, General Data Protection Regulation (GDPR), A/B Testing, Copywriting, Marketing Automation, Campaign Management, Gmail, Compliance Auditing, Data-Driven Marketing, Content Optimization, Regulation and Legal Compliance, Target Audience, Auditing, Compliance Management, Customer Relationship Management (CRM) Software, Marketing Strategy and Techniques, Marketing Planning, Market Analysis, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: React Redux, React.js, Frontend Performance, Full-Stack Web Development, Unit Testing, Performance Tuning, JavaScript Frameworks, Frontend Integration, Code Reusability, Web Frameworks, Software Testing, Server Side, Software Design Patterns, UI Components, Data Validation, Data Access
Intermediate · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Building Information Modeling, Internet Of Things, Data Infrastructure, Infrastructure Architecture, Sustainable Technologies, Energy and Utilities, Network Infrastructure, Water Sustainability, AI Security, Facility Management, Water Resource Management, Security Controls, Real Time Data, Wireless Networks, Interoperability, Sustainable Architecture, Decision Intelligence, AI Enablement, Dashboard, Traffic Flow Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS CloudFormation, Amazon CloudWatch, Version Control, Infrastructure as Code (IaC), Serverless Computing, Git (Version Control System), Devops Tools, Continuous Deployment, CI/CD, Scalability, Amazon Web Services, DevOps, Software Versioning, Cloud Deployment, Cloud Computing Architecture, Amazon Elastic Compute Cloud, Application Deployment, Cloud Infrastructure, Event Monitoring, Network Architecture
Beginner · Course · 1 - 4 Weeks