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.

Packt
Skills you'll gain: Geographic Information Systems, Package and Software Management, Scripting, Statistical Analysis, Probability & Statistics, JSON, Image Analysis, Data Validation, Web Scraping, Intelligence Collection and Analysis, Data Analysis, Statistics, Python Programming, Data Processing, Restful API, File Transfer Protocol (FTP), Open Source Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Process Capability, Lean Six Sigma, Root Cause Analysis, Statistics, Process Mapping, Process Analysis, Performance Measurement, Statistical Methods, Statistical Process Controls, Descriptive Statistics, Process Improvement, Performance Analysis, Statistical Analysis, Data Analysis, Failure Mode And Effects Analysis, Risk Analysis, Verification And Validation, Systems Of Measurement, Probability Distribution
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Finance, Financial Modeling, Risk Analysis, Loans, Financial Analysis, Financial Forecasting, Excel Formulas, Project Risk Management, Cost Benefit Analysis, Revenue Forecasting, Risk Management, Due Diligence, Microsoft Excel, Cash Flows
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Email Marketing, Email Automation, Microsoft Copilot, Marketing Automation, Data Ethics, Business Marketing, Generative AI, Search Engine Optimization, Content Marketing, Google Gemini, Prompt Patterns, Multimodal Prompts, ChatGPT, Search Engine Marketing, Digital Marketing, Deepseek, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Sales
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Customer Retention, Sales Strategy, Upselling, Customer Acquisition Management, Revenue Management, Telecommuting, Growth Strategies, Entrepreneurship, Search Engine Optimization, Self-Starter, Copywriting, Branding
Mixed · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Performance Metric, Performance Measurement, Failure Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Servers, Data Manipulation, System Requirements
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Visualization, Web Content Accessibility Guidelines, Data Presentation, Data Literacy, Data Visualization Software, Statistical Visualization, Heat Maps, Scatter Plots, Tableau Software, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Programming Principles, Algorithms, C (Programming Language), Computer Programming, Software Engineering, Problem Solving, Solution Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Animations, User Interface (UI) Design, C# (Programming Language), Performance Tuning
Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Model Deployment, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Middleware, Gemini, Scalability, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months