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.

Skills you'll gain: Responsive Web Design, React.js, HTML and CSS, Front-End Web Development, Web Development, Web Design, Javascript, Restful API, UI Components
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Gross Profit, Dashboard, Data Modeling, Data Import/Export, Interactive Data Visualization, Microsoft Power Platform, People Analytics, Data Analysis, Data Cleansing, Business Intelligence, Business Reporting, Data Transformation, Data-Driven Decision-Making, Microsoft Excel, Case Studies, Stakeholder Analysis, Business Analysis, Performance Analysis
Beginner · Specialization · 3 - 6 Months

Universitat Politècnica de València
Skills you'll gain: Computational Thinking, Computer Programming, Programming Principles, Algorithms, Web Applications, Object Oriented Programming (OOP), Information Technology, Information Systems, Data Structures, Javascript, SQL, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Performance Measurement, Technical Consulting, Performance Analysis, Content Management Systems, Digital Marketing, Auditing, Performance Reporting, Data-Driven Decision-Making, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Program Development, Python Programming, Maintainability, Programming Principles, Scripting, Debugging, Scripting Languages, Computer Programming, Software Development, Functional Design, Computational Logic
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Generative AI, Performance Tuning, Data Migration, LangChain, LLM Application, Metadata Management, Document Management, Data Infrastructure, Large Language Modeling, Prompt Patterns, Embeddings, Data Modeling, Agentic systems, Data Integrity, Scalability, Docker (Software), Query Languages, AI Workflows
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), Ajax, React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components
Beginner · Specialization · 3 - 6 Months
Duke University
Skills you'll gain: Materials science, Prototyping, Engineering, Scientific, and Technical Instruments, Laboratory Techniques, Chemistry, Manufacturing Processes, Micrometer, Image Analysis, Chemical Engineering
Mixed · Course · 1 - 3 Months

University of London
Skills you'll gain: Corporate Strategy, Business Strategy, Mergers & Acquisitions, Strategic Decision-Making, Growth Strategies, New Business Development, Business Valuation, Organizational Structure, Market Opportunities, Resource Allocation, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Multiprotocol Label Switching, Routing Protocols, Network Routing, Network Troubleshooting, Network Performance Management, Network Routers, Network Infrastructure, Network Planning And Design, Computer Networking, Network Protocols, Network Engineering, Network Model, Telecommunications, Verification And Validation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Systems Administration, Virtual Machines, Scalability
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Stored Procedure, Star Schema, Microsoft SQL Servers, Database Design, Relational Databases, Data Integrity, Database Development, Data Integration, SQL, Transaction Processing, Power BI, Data Warehousing, Database Management, Transact-SQL, Data Maintenance, Databases, Query Languages, Database Architecture and Administration, Database Systems, Data Management
Beginner · Professional Certificate · 3 - 6 Months