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.

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Cyber Security Policies, Security Management, Information Systems Security, Risk Management, Risk Management Framework, Identity and Access Management, Change Control, Record Keeping, Information Technology
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Public Policies, Policy Development, Public Affairs, Policy Analysis, Research, and Development, Policy Analysis, Political Sciences, Economics, Policy, and Social Studies, Advocacy, Environmental Policy, Behavioral Economics, Public Administration, Media and Communications, Program Evaluation, Ethical Standards And Conduct, Governance, Economics
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Campaigns, Advertising Campaigns, Social Media, Storytelling, Marketing Materials, Advertising, Online Advertising, Social Media Content, Social Media Marketing, Marketing Design, Dashboard, Graphic Design, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, Model View Controller, ASP.NET, OAuth, API Design, Web Development, Application Programming Interface (API), .NET Framework, Web Services, Authentications, Unit Testing, Back-End Web Development, C# (Programming Language), Web Applications, Object-Relational Mapping, Application Frameworks, API Testing, Authorization (Computing), Cloud Computing, Computer Programming
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Adobe Premiere, Post-Production, Video Editing, Video Production, Photo/Video Production and Technology, Media Production, Editing, Visual Storytelling, Data Import/Export, Graphic and Visual Design, Graphic and Visual Design Software, Storytelling, Timelines, File Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Data Pipelines, Model Evaluation, Systems Design, Transfer Learning, Data Preprocessing, Data Quality, Feature Engineering, Deep Learning, Python Programming, Data Validation, Scikit Learn (Machine Learning Library), Applied Machine Learning, Predictive Modeling, Software Engineering, Debugging, Supervised Learning, Git (Version Control System), Performance Metric, Statistical Analysis
Intermediate · Specialization · 1 - 3 Months

JetBrains
Skills you'll gain: Vibe coding, Generative AI Agents, Prompt Engineering, Game Design, Code Review, 3D Assets, Animation and Game Design, 3D Modeling, Integrated Development Environments, Artificial Intelligence, Generative AI, Project Planning, Javascript, Software Development, Product Development, Web Development, Product Design, Animations, Visual Design, Interactive Data Visualization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Express, Adobe Firefly, AI powered creativity, Visual Design, Workflow Management, Design Elements And Principles, Graphic Design, Layout Design, Graphic and Visual Design, Collaborative Software, Photo Editing, Creative Design, Editing, Typography, Content Creation, Branding, Generative AI, AI Personalization, Social Media Strategy
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Retrieval-Augmented Generation, Agentic Workflows, AI Workflows, AI Orchestration, Responsible AI, AI Security, AI Integrations, Model Deployment, Context Engineering, Context Management, Healthcare Ethics, Patient Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Quality Management, Continuous Quality Improvement (CQI), Quality Management Systems, Quality Improvement, Continuous Improvement Process, Supplier Quality Management, Product Quality (QA/QC), Quality Assurance and Control, Quality Assessment, Service Improvement, Quality Assurance, Supplier Management, Drive Engagement, Quality Control, Corrective and Preventive Action (CAPA), Customer experience improvement, Employee Engagement, Supplier Relationship Management, Process Management, Manufacturing Processes
Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Facility Management and Maintenance, Energy and Utilities, Construction Management, Sustainable Architecture, Construction Engineering, Construction, Sustainable Business, Sustainable Technologies, Stakeholder Engagement, Sustainable Design, Facility Management, Sustainable Engineering, Stakeholder Management, Stormwater Management, Building Information Modeling, Project Design, Environmental Engineering, Sustainability Standards, Building Services Engineering, Project Performance
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Code Reusability, Virtual Machines, Verification And Validation, Program Development, Python Programming, Maintainability, Data Manipulation, Programming Principles, Scripting, Development Environment, Scripting Languages, Computer Programming, Software Installation, Debugging, Software Development, Computer Programming Tools, Computational Logic, Cross Platform Development
Beginner · Specialization · 1 - 3 Months