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.

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft Office, Excel Macros, Microsoft Windows, Productivity Software, Document Management, Writing and Editing, Computer Literacy, Business Writing, Technical Documentation, Web Content, Proofreading, Collaborative Software, Writing, Collaboration, Editing, Web Content Accessibility Guidelines, Report Writing, Business Communication, Productivity
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Hugging Face, Large Language Modeling, MLOps (Machine Learning Operations), Generative AI, Artificial Intelligence and Machine Learning (AI/ML), AI Product Strategy, Transfer Learning, Applied Machine Learning, AI Personalization, Model Deployment, Model Evaluation, Responsible AI, Performance Tuning, Model Based Systems Engineering, Program Evaluation, Analysis
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Vibrations, Value Engineering, Failure Analysis, Engineering Analysis, Mechanical Design, Engineering Design Process, Mechanical Engineering, Engineering Calculations, Industrial Design, Materials science, Material Handling, Industrial Engineering, Design, Analysis, Innovation, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, API Testing, Web Development, Javascript, JSON, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Authentications, Application Frameworks, Web Applications, Web Development, Test Script Development, Maintainability, Network Routing, Test Case, Unit Testing, Authorization (Computing), Identity and Access Management, Functional Testing, Integration Testing, Application Security, Configuration Management
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Building Services Engineering, HVAC, Thermal Management, Building Design, Energy and Utilities, Electrical Systems, Architectural Engineering, Climate Change Mitigation, Electric Power Systems, Construction, Sustainable Technologies, Control Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Animations, 3D Assets, Game Design, Video Game Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Modeling, Collaborative Software, Virtual Teams, Team Building, Business Process, Business Strategy, Project Design, New Business Development, Business Development, Business Planning, Feasibility Studies, Project Implementation, Case Studies
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Agile Project Management, Stakeholder Engagement, Stakeholder Management, Team Motivation, Team Leadership, Agile Methodology, Risk Analysis, Earned Value Management, Sprint Planning, Continuous Improvement Process, Project Management, Sprint Retrospectives, Communication Strategies, Project Risk Management, Estimation, Prioritization, User Story
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Mindfulness, Personal Development, Self-Awareness, Creativity, Digital Design, Graphical Tools, Emotional Intelligence, Color Theory, Creative Thinking, Storytelling, Design Elements And Principles, Design Software, Adobe Creative Cloud
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, JSON, Responsive Web Design, Ajax, Web Design and Development, Animations, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months