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

Coursera
Skills you'll gain: User Feedback, Functional Testing, Root Cause Analysis, UI/UX Research, Experience Design, User Experience, Problem Management, User Interface (UI) Design, Integration Testing, Application Development, Network Troubleshooting, Investigation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Graphic Design, Graphic and Visual Design Software, Design, Marketing Design, Brand Awareness, Social Media, Social Media Content, Social Media Marketing, Photo Editing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Adobe Firefly, AI Security, Ethical Standards And Conduct, Diversity and Inclusion, Stakeholder Engagement, Content Creation, Authentications, Brand Management, Communication
Beginner · Course · 1 - 4 Weeks

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: Dashboard, Azure Synapse Analytics, Microsoft Azure, Data Storage Technologies, Microsoft SQL Servers, Data Storage, Cloud Engineering, Data Architecture, Data Infrastructure, Performance Tuning, Query Languages, Database Design, SQL, NoSQL, Data Processing, Cloud Solutions, Analytics, Process Optimization, Data Modeling, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, OpenAI API, Command-Line Interface, AI Enablement, Agentic systems, API Testing, Rust (Programming Language), Key Management, Software Technical Review, Verification And Validation, Unit Testing, Solution Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Visualization Software, Data Structures, Data Manipulation, Pandas (Python Package), NumPy, Exploratory Data Analysis, Python Programming, Data Preprocessing, Scripting, Scripting Languages
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Presentations, Business Writing, Sales Presentation, Marketing Materials, Business Planning, Product Demonstration, Price Negotiation, Marketing Design, Business Strategy, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

Pearson
Skills you'll gain: Large Language Modeling, Prompt Engineering, Image Analysis, Model Deployment, PyTorch (Machine Learning Library), Deep Learning, Vision Transformer (ViT), Tensorflow, Convolutional Neural Networks, LLM Application, Transfer Learning, Computer Vision, Responsible AI, Generative AI, Multimodal Prompts, Artificial Neural Networks, Artificial Intelligence, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

HubSpot Academy
Skills you'll gain: Sales Management, Sales Process, Sales Development, Employee Onboarding, Sales Strategy, Employee Coaching, Process Design, Team Management, Employee Training, Target Market, Recruitment Strategies, Goal Setting
Beginner · Course · 1 - 4 Weeks