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: Data Analysis Expressions (DAX), Dashboard, Power BI, Data Visualization, Data Transformation, Data Manipulation, Data Modeling, Data Import/Export, Data Visualization Software, Extract, Transform, Load, Data Analysis, Analytics, Data Cleansing, Performance Analysis, Data Security, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps, Azure DevOps Pipelines, Continuous Delivery, CI/CD, DevOps, Test Planning, Continuous Integration, Git (Version Control System), YAML, GitHub, Agile Methodology, Version Control, Agile Project Management, Application Deployment, Sprint Planning, Scrum (Software Development)
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Access, Database Design, Relational Databases, Database Management, Excel Macros, Microsoft 365, Database Development, Database Administration, Database Architecture and Administration, Data Integrity, Data Maintenance, Microsoft Windows, Databases, Microsoft Office, Data Entry, Query Languages, Data Presentation, Productivity Software, User Interface (UI), Scripting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Statistical Process Controls, Six Sigma Methodology, Lean Methodologies, Quality Management, Quality Improvement, Kaizen Methodology, Quality Control, Brainstorming, Benchmarking, Process Improvement, Run Chart, Continuous Improvement Process, Pareto Chart, Root Cause Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Prompt Engineering Tools, Miro AI, Financial Accounting, Cash Flow Forecasting, Accounting, Risk Analysis, Cash Flows, Data Processing
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Routing Protocols, Software Design Patterns, Maintainability, Servers
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Presentation, Plot (Graphics), Data Visualization Software, Data Visualization, Tableau Software, Spatial Analysis, Visualization (Computer Graphics), Statistical Visualization, Network Model, Dashboard, Matplotlib, Infographics, Heat Maps, Seaborn, Geospatial Information and Technology, Time Series Analysis and Forecasting, Network Analysis, Geospatial Mapping
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Virtual Networking, Network Administration, Wide Area Networks, Hardening, Virtual Private Networks (VPN), Network Infrastructure, Network Routing, Network Monitoring, Private Cloud
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Performance Tuning, Functional Design, Machine Learning Algorithms, Performance Testing, Computer Programming
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Internet Of Things, Docker (Software), Development Environment, Containerization, Interactive Data Visualization, JSON, Network Protocols, Embedded Systems, Authentications, Encryption, Automation, Debugging, Data Storage
Intermediate · Course · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Deep Learning, Convolutional Neural Networks, Autoencoders, Recurrent Neural Networks (RNNs), Image Analysis, Embeddings, Machine Learning Methods, Model Deployment, Applied Machine Learning, Artificial Neural Networks, Health Informatics, Unsupervised Learning, Model Evaluation, Medical Imaging, Python Programming
Advanced · Course · 1 - 4 Weeks