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 Arizona
Skills you'll gain: Web Analytics, Search Engine Marketing, Pay Per Click Advertising, User Experience Design, Google Ads, Search Engine Optimization, Web Analytics and SEO, Digital Marketing, Campaign Management, Content Marketing, Keyword Research, Data-Driven Decision-Making, Social Media Strategy, Marketing Channel, Marketing Effectiveness, Marketing Analytics, Marketing Strategy and Techniques, Marketing Planning, Customer Engagement, Target Audience
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Databases, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, OAuth, Responsive Web Design, Prototyping, Animation and Game Design, Apple Xcode, Human Computer Interaction, UI/UX Strategy, Usability Testing
Beginner · Specialization · 3 - 6 Months

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

Pontificia Universidad Católica de Chile
Skills you'll gain: People Management, Entrepreneurship, Accounting, Financial Management, Business Management, Team Management, Marketing, Customer experience strategy (CX), Finance, Financial Analysis, Business Planning, Innovation, Persona (User Experience), Recruitment
Mixed · Course · 1 - 3 Months

Skills you'll gain: Financial Trading, Financial Market, Technical Analysis, Derivatives, Statistical Analysis, Market Dynamics, Risk Analysis, Market Analysis, Trend Analysis, Performance Analysis, Probability Distribution, Behavioral Economics, Model Evaluation
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Marketing Psychology, Marketing Planning, Marketing Strategies, Blogs, Marketing, Web Analytics and SEO, Marketing Effectiveness, Podcasting, Video Production, Growth Strategies, Social Media Content, Search Engine Optimization, Marketing Channel, Content Creation, Advertising Campaigns, Product Promotion, Digital Advertising, Marketing Automation, Case Studies, Professional Networking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Key Performance Indicators (KPIs), Marketing Planning, Sprint Retrospectives, Marketing Effectiveness, Marketing Strategies, Strategic Marketing, Performance Measurement, Marketing Operations, Marketing Strategy and Techniques, Cross-Channel Marketing, Marketing, Marketing Analytics, Persona Development, Workflow Management, Market Research, Market Analysis, Business Analysis, Analytical Skills, Data Visualization, Data Analysis
Beginner · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Peripheral Devices, Hardware Architecture, Computer Hardware, Hardware Troubleshooting, Computer Architecture, Display Devices, USB, Data Storage, Computer Networking, Servers
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Construction Management, Construction, Building Information Modeling, Environment Health And Safety, Project Schedules, Lean Methodologies, Work Breakdown Structure, Project Management, Project Management Life Cycle, Sustainability Standards, Contract Management, Project Scoping, Project Planning, Risk Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Expense Reports, Payroll Tax, Expense Management, Payroll Processing, QuickBooks (Accounting Software), Data Entry, Payroll Administration, Accounts Payable, Billing & Invoicing, Administrative Support, Ledgers (Accounting), Accounting Records, Accounting Systems, Project Documentation, Document Management, Vendor Relationship Management, Verification And Validation, Workflow Management, Compliance Management, Communication Planning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Transformation, Large Language Modeling, Data Preprocessing, Generative AI, Workflow Management, Artificial Intelligence, Responsible AI, Embeddings, Context Management, Automation, Metadata Management, JSON
Intermediate · Course · 1 - 4 Weeks