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.

Duke University
Skills you'll gain: Deep Learning, MLOps (Machine Learning Operations), Responsible AI, Model Evaluation, Data Ethics, Data Management, Project Management Life Cycle, Unsupervised Learning, Human Computer Interaction, User Experience Design, Classification And Regression Tree (CART), Data Quality, Model Deployment, Data Preprocessing, Human Centered Design, Machine Learning, Project Management, Product Management, Product Design, Data Science
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Simulations, Data-oriented programming, Plot (Graphics)
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: AI Personalization, Education Software and Technology, AI Enablement, Education and Training, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Learning Management Systems, Generative AI Agents, Adult Education, Educational Materials, Childhood Education and Development, Special Education, Driving engagement, Learning Strategies, Natural Language Processing
Intermediate · Course · 1 - 3 Months

PracticalGrowth
Skills you'll gain: Project Planning, Project Risk Management, Root Cause Analysis, Project Scoping, Dashboard, Risk Management, Program Management, Workflow Management, Project Management, Project Estimation, Process Improvement, Agile Project Management, Capacity Planning, Project Documentation, Stakeholder Management, Collaborative Software, Prioritization, Resource Management, Meeting Facilitation, Portfolio Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, Financial Data, Financial Forecasting, Performance Metric, Financial Analysis, Credit Risk, Predictive Modeling, Real Time Data, Financial Statement Analysis, Continuous Monitoring, Applied Machine Learning, MLOps (Machine Learning Operations), Data Pipelines, Artificial Neural Networks, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, AI Personalization, Consumer Behaviour, Patient Preparation, Supervised Learning, User Research, Health And Wellness Coaching, Usability Testing, Customer Insights, Usability, AI Security, Human Factors, Responsible AI, Empathy & Emotional Intelligence, Behavioral Management, Stress Management, Data Ethics, Decision Making, Mindfulness, Goal Setting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI Agents, Agentic systems, OpenAI API, AI Workflows, Performance Tuning, Tool Calling, Prompt Engineering, AI Security, Application Programming Interface (API), Software Architecture, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design and Development, Web Design, Web Content, Web Development, Cascading Style Sheets (CSS), Responsive Web Design, Web Applications, Front-End Web Development, Browser Compatibility, Web Development Tools, Software Development, Embeddings, Software Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: C# (Programming Language), Artificial Intelligence
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Writing and Editing, Editing, Constructive Feedback, Concision, Writing, Organizational Skills, Proofreading, Storytelling, Productivity, Planning, Detail Oriented, Time Management, Brainstorming, Content Creation, Overcoming Obstacles, Resourcefulness, Lifelong Learning, Decision Making, Critical Thinking, Creativity
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Robotic Process Automation, Email Automation, Transaction Processing, Business Process Automation, Scenario Testing, Automation, Data Integration, Debugging, Scalability, Image Analysis, Data Cleansing, Data Validation, Service Level
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Office, Microsoft 365, Layout Design, Digital Publishing, Proofreading, Graphic Design, Content Management, Editing, Content Creation, Graphic and Visual Design Software, Productivity Software, Data Sharing, Writing and Editing, Design, Typography, Multimedia, File Management, Marketing
Mixed · Course · 1 - 3 Months