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 Michigan
Skills you'll gain: C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Data Structures, Programming Principles, Algorithms, Computer Programming, Software Design, Application Security, Python Programming, Java Programming, System Programming, Computer Architecture, Performance Tuning, Numerical Analysis, Unix, Computer Science, Debugging
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Hardware Architecture, Performance Tuning, Cloud Platforms, Artificial Intelligence, Computer Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Image Analysis, Generative AI, Machine Learning, Computer Vision, Microsoft Azure, Artificial Intelligence, Data Preprocessing, Natural Language Processing, OpenAI, Regression Analysis, AI Workflows, Model Deployment, Model Evaluation, Classification Algorithms
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Frontend Performance, Application Deployment, JavaScript Frameworks, Scalability, Software Architecture, Performance Tuning, Node.JS, Web Applications, Web Development Tools, Application Performance Management, Server Side, Enterprise Architecture, Web Analytics and SEO, Maintainability, Debugging
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Search Engine Optimization, Blogs, Web Analytics and SEO, TikTok, Social Media Content, Campaign Management, Social Media Management, Cross-Channel Marketing, Content Creation, Content Performance Analysis, Digital Advertising, Social Media Marketing, Google Ads, Email Marketing, Email Automation, Constructive Feedback, Content Management, Project Management, Performance Reporting
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Patterns, Salesforce, Artificial Intelligence, Generative AI Agents, Agentic systems, Customer Relationship Management (CRM) Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Accounting Records, Auditing, Record Keeping, Compliance Auditing, Metadata Management, Records Management, Financial Auditing, Document Management, Organizational Skills, Operational Efficiency, Information Management, Information Architecture, QuickBooks (Accounting Software), Systems Design, File Management, Data Validation, Verification And Validation, Excel Formulas, Microsoft Excel
Beginner · Course · 1 - 4 Weeks
UNSW Sydney (The University of New South Wales)
Skills you'll gain: Storytelling, User Experience Design, Driving engagement, Content Creation, Storyboarding, Animation and Game Design, Augmented and Virtual Reality (AR/VR), Design Strategies, Emerging Technologies, Qualitative Research
Mixed · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Star Schema, Microsoft Power Platform, Data Analysis Expressions (DAX), Data Storytelling, Microsoft Power Automate/Flow, Dashboard, Microsoft Excel, Excel Formulas, Power BI, Data-Driven Decision-Making, Microsoft Copilot, Data Presentation, No-Code Development, Data Transformation, Data Literacy, Data Modeling, Data Visualization, Data Analysis, Business Intelligence
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Warehousing, Data Modeling, Trend Analysis, Business Intelligence, Scalability, Data Integrity, Time Series Analysis and Forecasting, Data Validation, Data Quality, Data Pipelines, SQL
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Vector Databases, Embeddings, Semantic Web, Flask (Web Framework), Model Deployment, Restful API, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Open Web Application Security Project (OWASP), Swift Programming, Mobile Security, Mobile Development, Secure Coding, IT Security Architecture, Application Security, Data Validation, Vulnerability Assessments, Cryptography, Application Programming Interface (API), JSON
Intermediate · Course · 1 - 4 Weeks