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: CI/CD, Microsoft Azure, Data Lakes, Microsoft Power Platform, Azure Synapse Analytics, Data Pipelines, Analytics, Data Governance, Advanced Analytics, Data Security, Data Management, Data Analysis Expressions (DAX), Power BI, Microsoft Excel, Exploratory Data Analysis, Apache Spark, Application Deployment, SQL, Governance, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Pandas (Python Package), Image Analysis, Data Manipulation, Matplotlib, Computer Vision, Data Analysis, Interactive Data Visualization, Python Programming, Data Visualization, JSON, Programming Principles, Scripting, Scripting Languages, Data Structures, Development Environment, Microsoft Visual Studio, Integrated Development Environments, Computer Programming, Software Installation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Personal Development, Human Development, Self-Awareness, Growth Mindedness, Lifelong Learning, Psychology, Emotional Intelligence, Social Sciences, Cultural Diversity, Sociology, Goal Setting, Physiology
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Extract, Transform, Load, Data Pipelines, Data Processing, Data Transformation, Data Manipulation, Apache, Scripting, Debugging, Query Languages, Scripting Languages, Open Source Technology
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Reinforcement Learning, Responsible AI, Agentic systems, Artificial Intelligence, Machine Learning Methods, Distributed Computing, Simulations, Transfer Learning
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Electronic Systems, Semiconductors, Basic Electrical Systems, Electrical Engineering, Electronics, Electronic Components, Electronics Engineering, Power Electronics, Electrical Systems, Engineering Analysis, Network Analysis, Engineering Calculations, Control Systems, Applied Mathematics
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Core Data (Software), Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, iOS Development, Responsive Web Design, Data Persistence, Data Structures, Object Oriented Programming (OOP), Unit Testing, Transaction Processing, Database Application, User Interface (UI), Application Development, UI Components, Application Programming Interface (API), Data Access, Mobile Development
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Web Analytics, Google Analytics, Digital Marketing, Content Strategy, Web Content, Content Creation, User Experience, Competitive Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Splunk, Pivot Tables And Charts, Data Analysis Expressions (DAX), Unstructured Data, Data Visualization Software, Data Modeling, Dashboard, Text Mining, Data Wrangling, Taxonomy, Management Reporting, Data Integration, Data Transformation, Workflow Management, Statistical Reporting, Data Manipulation, Event Monitoring, Continuous Monitoring, Role-Based Access Control (RBAC), Scheduling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Facebook, Target Audience, Online Advertising, Digital Advertising, Advertising, Advertising Campaigns, Social Media Campaigns, Paid media, Campaign Management, Social Media, Performance marketing, Social Media Management, Bidding, A/B Testing, Lead Generation, Customer Engagement, Brand Awareness
Mixed · Course · 1 - 3 Months
IE Business School
Skills you'll gain: Brand Strategy, Customer experience strategy (CX), Branding, Storytelling, Production Planning, Brand Awareness, Logo Design, Content Marketing, Target Audience, Advertising Campaigns, Target Market, Content Creation, Advertising, Marketing Design, Creative Design, Brand Management, Behavioral Economics, Journalism, Creativity, Communication
Beginner · Specialization · 3 - 6 Months