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: Predictive Modeling, Microsoft Excel, Classification Algorithms, Business Analytics, Logistic Regression, Data Analysis, Model Evaluation, Business Risk Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Test Automation, Unit Testing, Software Testing, Verification And Validation, Test Case, Test Driven Development (TDD), Integration Testing, Debugging, Mockups
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Performance Testing, Salesforce Development, Salesforce, Performance Tuning, Performance Analysis, Application Performance Management, Software Testing, UI Components, Query Languages, Continuous Integration, DevOps, Debugging
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Model Evaluation, LLM Application, Large Language Modeling, Prompt Engineering, Hugging Face, Transfer Learning, Context Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Active Listening, Interpersonal Communications, Conflict Management, Constructive Feedback, Social Skills, Trustworthiness, Relationship Building, Business Communication, Professionalism, Collaboration, Communication, Assertiveness, Influencing, Non-Verbal Communication, People Management, Personal Attributes
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Financial Modeling, Variance Analysis, Key Performance Indicators (KPIs), Bookkeeping, Financial Forecasting, Revenue Forecasting, Budget Management, Financial Statement Analysis, Business Reporting, Dashboard, Capital Budgeting, Financial Controls, Financial Reporting, Financial Analysis, Process Improvement, Financial Services, Financial Data, Investments, Predictive Analytics, Data-Driven Decision-Making
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Investment Banking, Mergers & Acquisitions, Private Equity, Business Valuation, Financial Analysis, Risk Analysis, Financial Modeling, Capital Markets, Underwriting, Equities, Securities Trading, Financial Forecasting, Corporate Finance, Organizational Structure, Derivatives
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Sample Size Determination, Sampling (Statistics), Survey Creation, Quantitative Research, Research Design, Business Research, Data Collection, Statistical Methods, Statistics, Decision Making, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

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

Packt
Skills you'll gain: MLOps (Machine Learning Operations), Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Containerization, AI Workflows, Model Evaluation, Model Deployment, Generative AI Agents, LangGraph, Keras (Neural Network Library), Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), CrewAI, BeeAI, Image Analysis, Deep Learning, Large Language Modeling, Natural Language Processing, Vision Transformer (ViT), Python Programming
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Email Marketing, Paid media, Target Audience, Data Storytelling, Social Media Marketing, Social Media Strategy, Content Creation, Search Engine Optimization, Marketing Budgets, Order Fulfillment, Media Planning, Search Engine Marketing, Google Ads, Social Media Management, Customer Retention, Customer Relationship Management, E-Commerce, Performance marketing, Email Automation, Marketing
Beginner · Professional Certificate · 3 - 6 Months