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.

Nanjing University
Skills you'll gain: Data Processing, Data Mining, Data Structures, Data Presentation, Object Oriented Programming (OOP), Web Scraping, Data Capture, Data Analysis, Python Programming, Pandas (Python Package), NumPy, Data Visualization, Data Manipulation, Matplotlib, User Interface (UI) Design
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Responsible AI, AI Security, Generative AI, Data Ethics, General Data Protection Regulation (GDPR), Security Testing, Model Evaluation, Open Source Technology, Metadata Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Software Testing, Unit Testing, Test Script Development, Regression Testing, Test Case, Continuous Integration, Automation, Software Design Patterns, Web Development Tools, Maintainability, Python Programming, UI Components
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Consulting, Relationship Management, Business Consulting, Product Strategy, SAP Applications, Technical Consulting, Relationship Building, Project Management, Rapport Building, Consultative Approaches, Project Implementation, Agile Methodology, Company, Product, and Service Knowledge, Waterfall Methodology, Solution Delivery, Systems Thinking, Business Transformation, Digital Transformation, Design Thinking, Business Research
Beginner · Course · 1 - 3 Months

University of California, Santa Barbara
Skills you'll gain: Balance Sheet, Depreciation, Financial Reporting, Financial Accounting, Financial Statements, Technical Accounting, Generally Accepted Accounting Principles (GAAP), Capital Expenditure, Equities, Accrual Accounting, Fixed Asset, Finance, Accounts Receivable, Analysis, Estimation, Corporate Finance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, TikTok, Debugging, Keyword Research, Podcasting, Video Production, Vibe coding, Prototyping, Social Media Content, Social Media Marketing, Social Media, Search Engine Optimization, Social Media Strategy, Copywriting, Mobile Development, Business Planning, Content Marketing, Mobile Development Tools, Case Studies, Other Mobile Programming Languages
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Campaign Management, Keyword Research, Digital Marketing, Pay Per Click Advertising, Email Marketing, Digital Advertising, Performance Analysis, Performance Metric, Marketing Effectiveness, Web Analytics, Google Ads, Marketing Channel, Social Media Management, Key Performance Indicators (KPIs), Social Media, Social Media Strategy, Content Creation, Content Management, Content Strategy, Data Analysis
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Prompt Engineering, User Story, New Product Development, Model Based Systems Engineering, Model Evaluation, Failure Analysis, Sustainable Business, Data Mining, Field-Programmable Gate Array (FPGA), Delegation Skills, Real-Time Operating Systems, Object Oriented Design, Project Schedules, Sampling (Statistics), Proposal Writing, Accountability, Data Ethics, Sustainability Reporting, Database Design, Supervised Learning
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: Splunk, Performance Tuning, Scalability, Data Pipelines, Real Time Data, Distributed Computing, System Monitoring, Debugging, Data Processing, Query Languages, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Package and Software Management, Unit Testing, Testability, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Leaflet (Software), Data Visualization, Extract, Transform, Load, Interactive Data Visualization, Data Pipelines, Data Presentation, Spatial Data Analysis, Heat Maps, Data Visualization Software, Apache Airflow, GIS Software, Geographic Information Systems, Metadata Management, Spatial Analysis, Color Theory, Design, Technical Documentation, Global Positioning Systems, Geospatial Mapping, Cloud Computing
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Market Intelligence, Survey Creation, Market Research, Business Research, Research Methodologies, Customer Insights, User Feedback, Target Audience, Qualitative Research, Target Market, Quantitative Research, Data Collection, Case Studies, Data Analysis
Intermediate · Course · 1 - 4 Weeks