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.

Board Infinity
Skills you'll gain: Responsive Web Design, Cloud Deployment, Web Design, Database Development, Database Systems, Front-End Web Development, Application Programming Interface (API), Full-Stack Web Development, Amazon Web Services, Cloud Computing, User Interface (UI), Authentications, Development Environment, Web Applications, Frontend Performance, Cascading Style Sheets (CSS), Web Frameworks, Continuous Deployment, Continuous Integration, Frontend Integration
Advanced · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Financial Analysis, Capital Expenditure, Business Strategy, Data-Driven Decision-Making, Financial Data, Capital Budgeting, Finance, Financial Modeling, Business Metrics, Business Valuation, Corporate Finance, Equities, Risk Analysis, Communication, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Social Media, Social Media Strategy, Social Media Marketing, Social Media Management, Social Media Campaigns, Social Media Content, Marketing Communications, Target Audience, Strategic Communication, Media Planning, Brand Marketing, Media Strategy, Communication Planning, Media and Communications, Digital Media Strategy, Brand Strategy, Brand Management, Social Media Analytics, Paid media, Content Creation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Storyboarding, Animations, Storytelling, Musical Composition, Visual Storytelling, Video Production
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design, AI powered creativity, Web Content, AI Workflows, Design Elements And Principles, Web Presence, Web Development Tools, Generative AI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Data-oriented programming, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Network Engineering, Firewall, Amazon Web Services, Cloud Services, Network Infrastructure
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Computer Vision, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Transfer Learning, Network Architecture, Model Training, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer experience strategy (CX), Responsible AI, Customer Analysis, Customer experience improvement, Personalized Campaigns, Customer Engagement, Predictive Analytics, Customer Service, Google Gemini, Customer Insights, Agentic Workflows, Driving engagement, LLM Application, Brand Loyalty, Generative AI Agents, Data-Driven Decision-Making, Artificial Intelligence, Generative AI
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Test Data, Test Case, Data Validation, Test Script Development, Verification And Validation, Data Cleansing, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure Synapse Analytics, Data Security, Databricks, Data Store, Data Quality, Microsoft Azure, Data Storage, Security Controls, Data Transformation, Data Processing, Data Cleansing, Performance Tuning, Data Integration, Data Pipelines, Apache Spark, Encryption, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Education Software and Technology, Augmented Reality, Display Devices, Virtual Reality, Digital pedagogy, Health Technology, Clinical Practices, Virtual Environment, Healthcare Project Management, Emerging Technologies, Business Systems Analysis, Innovation, User Centered Design, Project Planning, Critical Thinking
Beginner · Course · 1 - 4 Weeks