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.

LearnQuest
Skills you'll gain: AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, System Design and Implementation, Unified Modeling Language, Performance Metric, Performance Measurement, Requirements Analysis, Performance Analysis, Model Evaluation, Prototyping, Stakeholder Communications, Simulation and Simulation Software, Benchmarking
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Research Design, Matplotlib, Research, Data Ethics, Data Processing, Data Collection, Seaborn, Text Mining, Data Science, Data Visualization Software, Pandas (Python Package), JSON, Application Programming Interface (API), Data Analysis, Python Programming, Natural Language Processing
Build toward a degree
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Generative AI, Generative Model Architectures, MLOps (Machine Learning Operations), Generative Adversarial Networks (GANs), Model Deployment, Model Evaluation, Microsoft Azure, PyTorch (Machine Learning Library), Deep Learning, Time Series Analysis and Forecasting, Cloud Deployment, Tensorflow, Image Analysis, Data Preprocessing, Forecasting, Prototyping
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Virtual Networking, Network Protocols, Network Planning And Design, Network Security, Network Performance Management, Network Architecture, Network Monitoring, Computer Networking, TCP/IP, Routing Protocols, Emerging Technologies, Internet Of Things, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, SQL, YAML, Data Pipelines, Data Validation, Data Mart, CI/CD, Data Modeling, Data Transformation, Version Control, Git (Version Control System), Technical Documentation, Maintainability, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Data Infrastructure, Distributed Computing, Data Modeling, Scalability, Data Management, Data Strategy, Microservices, Solution Architecture, Data Governance, Software Architecture, Semantic Web, Data Integration, Information Architecture, CI/CD, Software Design, Maintainability, Enterprise Architecture, Data Analysis, Generative AI
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Stakeholder Analysis, Decision Making, Innovation, Strategic Decision-Making, New Product Development, User Research, Organizational Strategy, Health Care Procedure and Regulation, Health Technology, Problem Solving, Process Analysis, Planning, Return On Investment
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Social Media Campaigns, Marketing Design, Marketing Materials, Social Media, Social Media Content, Graphic Design, Promotional Materials, Content Creation, Advertising, Marketing, Online Advertising
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Responsive Web Design, MySQL, Web Design and Development, Server Side, HTML and CSS, Back-End Web Development, Database Development, File Management, Data Structures
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Analysis, Statistical Programming, Data Analysis, Probability, Probability Distribution, Applied Machine Learning, Probability & Statistics, Applied Mathematics, Data Science, Computational Thinking, Simulations
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Usability Testing, User Acceptance Testing (UAT), Surveys, Software Testing, Human Computer Interaction, User Research, UI/UX Research, User Experience Design, Software Quality (SQA/SQC), Web Content Accessibility Guidelines
Advanced · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Embedded Systems, Control Systems, Programmable Logic Controllers, Robotics, Internet Of Things, C (Programming Language), Automation, Simulation and Simulation Software, Integration Testing, Cloud Computing, Electronic Components, Computer Hardware, Matlab
Intermediate · Course · 1 - 4 Weeks