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.

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Correspondence, Business Communication, Writing, Organizational Skills, Concision, Writing and Editing, Proofreading, Grammar, Communication, Editing, Organizational Strategy, Persuasive Communication, Verbal Communication Skills, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Financial Trading, Financial Market, Portfolio Risk, Derivatives, Market Analysis, Statistical Analysis, Market Dynamics, Market Data, Risk Analysis, Data Validation, Trend Analysis, Performance Analysis, Probability Distribution, Behavioral Economics, Model Evaluation, Consolidation, Risk Management
Beginner · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Business Reporting, Data Manipulation, Data Transformation, Business Intelligence, Data Visualization Software, Business Intelligence Software, Dashboard, Data Analysis, Microsoft Excel, Data Visualization, Data Cleansing, Data Modeling, Data Analysis Software, Microsoft PowerPoint, Microsoft 365, Microsoft Office, Collaboration, Data Import/Export
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Campaign Management, Advertising Campaigns, Data Storytelling, Key Performance Indicators (KPIs), Marketing Strategies, Marketing Analytics, Project Management Life Cycle, Performance Metric, Marketing Planning, Performance Reporting, Data-Driven Decision-Making, Project Closure, Search Engine Optimization, Goal Setting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Software Testing, Debugging, Test Case, Issue Tracking, Functional Testing, Unit Testing, Software Quality Assurance, System Testing, Test Tools, Acceptance Testing, Integration Testing, Test Driven Development (TDD), Test Automation, Regression Testing, Quality Assurance, Waterfall Methodology, Agile Methodology, Python Programming
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Machine Controls, Robotic Process Automation, Product Automation, Manufacturing Operations, Integration Testing, Workflow Management, Coordination, Application Programming Interface (API), Simulation and Simulation Software, Process Optimization, Process Improvement and Optimization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Tensorflow, Recurrent Neural Networks (RNNs), BeeAI, Keras (Neural Network Library), Transfer Learning, Deep Learning, Convolutional Neural Networks, Responsible AI, Agentic systems, Artificial Intelligence, AI Security, Scalability, Applied Machine Learning, Machine Learning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Jira (Software), Business Process Automation, Model Evaluation, Data Validation, Verification And Validation, AI Workflows, Responsible AI, Automation, Software Documentation, Performance Measurement, Generative AI, Technical Documentation, Quality Assessment, Benchmarking, Technical Communication
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Content Marketing, Content Performance Analysis, Marketing Strategy and Techniques, Key Performance Indicators (KPIs), Search Engine Optimization, Strategic Marketing, Content Creation, Marketing Channel, Customer Insights, Writing, Marketing Analytics, Web Analytics and SEO, Social Media Campaigns, Scalability, Customer Engagement, Email Marketing, Brand Management, Marketing, Advertising Campaigns, Content Management
Intermediate · 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

Skills you'll gain: HubSpot CRM, Social Media Marketing, Market Research, Surveys, Marketing Automation, Marketing, Customer Relationship Management, Brand Awareness, Social Media Management, Marketing Effectiveness, Customer Retention, Research Methodologies, Market Analysis, Customer Insights, Customer Acquisition Management, Customer Engagement, Customer Data Management, Customer Communications Management, Content Management, Analytics
Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Supply Chain Management, Supply Chain, Supply Chain Systems, Transportation, Supply Chain, and Logistics, Generative AI Agents, Inventory Management System, AI Enablement, Generative AI, Supply Management, Demand Planning, Logistics, Warehousing, Data-Driven Decision-Making, Forecasting, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Predictive Analytics, Supplier Relationship Management, Automation, Real Time Data
Intermediate · Course · 1 - 3 Months