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: Marketing Effectiveness, Marketing Analytics, Google Analytics, Web Analytics, Verification And Validation, Goal Setting, Web Analytics and SEO, Performance Metric, Transaction Processing, Data Validation, System Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graphical Tools, Design Elements And Principles
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Make.com, JSON, Outbound Calls, Application Programming Interface (API), Phone Sales, Booking (Sales), Sales Presentation, Setting Appointments, Systems Integration, No-Code Development, Calendar Management, Technical Sales, Automation, AI Personalization, Scheduling
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Unity Engine, Mobile Development, Android (Operating System), Video Game Development, Game Design, C# (Programming Language), User Interface (UI), Scripting, Programming Principles, Development Environment, Animations
Beginner · Course · 3 - 6 Months

Skills you'll gain: Key Management, Encryption, Amazon CloudWatch, Amazon Web Services, AWS Identity and Access Management (IAM), Cloud Security, Event Monitoring, Continuous Monitoring, Security Information and Event Management (SIEM), Data Security, Advanced Encryption Standard (AES), System Monitoring, Amazon S3, Incident Response
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Color Theory, Cascading Style Sheets (CSS), Typography, HTML and CSS, Web Design, Web Content Accessibility Guidelines, Semantic Web
Mixed · Course · 1 - 4 Weeks
Logical Operations
Skills you'll gain: Prompt Engineering, Generative AI, Prompt Engineering Tools, Prompt Patterns, Multimodal Prompts, Data Ethics, Responsible AI, Image Quality, Business Ethics, Presentations, Photo Editing, Creativity, Artificial Intelligence, Photo/Video Production and Technology, Graphic and Visual Design, Promotional Materials, Design, Customer Service, Marketing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, AI Workflows, AI Enablement, Agentic systems, Automation, 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

Creo Incubator
Skills you'll gain: Go To Market Strategy, Competitive Analysis, Growth Strategies, Product Development, Market Opportunities, User Experience, Market Analysis, Sales Strategy, Brand Strategy, Marketing Strategies, Product Marketing, Entrepreneurship, Business Strategy, Product Management, Market Research, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Agile Project Management, Stakeholder Engagement, Leadership, Team Leadership, Climate Change Adaptation, Team Motivation, Strategic Leadership, Water Sustainability, Environmental Resource Management, Project Management, Sustainability Reporting, Cross-Functional Collaboration, Natural Resource Management, Innovation, Community Outreach, Complex Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vector Databases, User Interface (UI) Design, OpenAI API, AI Personalization, Embeddings, UI/UX Research, Application Development, Artificial Intelligence, Data Processing, Database Management, Restful API, Web Development
Intermediate · Guided Project · Less Than 2 Hours

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