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: Drupal, Content Management Systems, Project Management Life Cycle, Presentations, Business Requirements, Content Development and Management, HTML and CSS, Web Design and Development, UI Components, Blogs, Advertising, Application Deployment, Portfolio Management, Responsive Web Design, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Agentic systems, AI Workflows, Hugging Face, CrewAI, Embeddings, Transfer Learning
Intermediate · Course · 3 - 6 Months
University of Colorado Boulder
Skills you'll gain: Electrical Safety, Electrical Systems, High Voltage, Simulations, Safety Standards, Electronic Components, Estimation, Control Systems, Basic Electrical Systems, Thermal Management, Mathematical Modeling, Power Electronics, Electrical Power, Probability, Electrical Engineering, Electronic Systems, Model Evaluation, Simulation and Simulation Software, Engineering Calculations, Machine Learning Methods
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Salesforce, Business Process Automation, Robotic Process Automation, Salesforce Development, Automation, Enterprise Architecture, AI Workflows, Enterprise Application Management, Business Transformation, Technical Consulting, Governance, Change Management, Systems Architecture, Scalability, Performance Measurement, Consulting, Application Programming Interface (API), API Design, Program Development, Generative AI
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Apache Spark, Apache Hadoop, Scala Programming, Spring Boot, Development Environment, Apache, JSON, Data Processing, Information Architecture, Live Streaming, Data Transformation, Java, Restful API, Performance Tuning, Software Architecture, Data Validation, System Configuration
Beginner · Specialization · 1 - 3 Months

Università Bocconi
Skills you'll gain: Food and Beverage, Hospitality Management, Restaurant Management, Product Quality (QA/QC), Global Marketing, Market Dynamics, Business Strategy, Consumer Behaviour, Value Propositions, Competitive Analysis, Brand Management, Growth Strategies, Marketing
Mixed · Course · 1 - 3 Months

Skills you'll gain: Browser Compatibility, Performance Testing, Security Testing, Integration Testing, System Testing, API Testing, Development Environment, Software Testing, User Acceptance Testing (UAT), Acceptance Testing, Test Tools, Application Security, Test Automation, Responsive Web Design, Vulnerability Scanning, Web Applications, Docker (Software), User Interface (UI), Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Big Data, SQL, Test Case, Apache Hadoop, Analytics, Database Design, Data Analysis, Query Languages, Databases, Relational Databases, Database Management, Data Manipulation, Apache, Metadata Management
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft Office, Excel Macros, Microsoft Windows, Productivity Software, Document Management, Writing and Editing, Computer Literacy, Business Writing, Technical Documentation, Web Content, Proofreading, Collaborative Software, Writing, Collaboration, Editing, Web Content Accessibility Guidelines, Report Writing, Business Communication, Productivity
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: E-Commerce, Entrepreneurship, Blogs, Content Creation, Digital Content, Digital Publishing, Web Content, Pay Per Click Advertising, Video Production, Lead Generation, Marketing Channel, Email Marketing, Business Strategies, Search Engine Optimization, Advertising, Brand Strategy
Mixed · Course · 1 - 3 Months

Yale University
Skills you'll gain: Clinical Trials, Software Development Life Cycle, Medical Devices, Usability, Medical Privacy, Quality Management, Regulatory Affairs, Verification And Validation, Regulatory Requirements, Biomedical Engineering, Risk Management, User Interface (UI), Software Design, Health Technology, Software Testing, Entrepreneurship, Artificial Intelligence and Machine Learning (AI/ML), User Research, Cybersecurity
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Storage, Infrastructure As A Service (IaaS), Google Cloud Platform, Cloud Computing Architecture, Cloud Computing, Virtual Networking, Virtual Machines, Network Architecture, Command-Line Interface, Firewall
Intermediate · Course · 1 - 4 Weeks