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.
Madecraft
Skills you'll gain: Data Visualization, Statistical Visualization, Plot (Graphics), Data Presentation, Descriptive Statistics, Graphing, Scatter Plots, Histogram, Box Plots, Data Literacy, Data Analysis, Exploratory Data Analysis, Analysis, Statistical Analysis, Graphic and Visual Design, Probability Distribution
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, Generative AI Agents, Generative AI, Software Design Documents, Software Design, AI Integrations, Software Architecture, Agentic Workflows, Continuous Integration, Software Development, Prompt Patterns, LLM Application, Application Security, Software Engineering, Code Review, Debugging, DevSecOps
★ 4.5 (262) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ruby (Programming Language), File I/O, Object Oriented Programming (OOP), Object Oriented Design, Ruby on Rails, Debugging, Test Tools, Application Design, Code Reusability, Programming Principles, Test Case, Software Documentation, Development Environment, Integrated Development Environments, Computer Programming, Data Structures, Apple Xcode, Web Development, Computational Logic, Software Installation
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

The Expert Academy
Skills you'll gain: Closing (Sales), Overcoming Objections, Inside Sales, Negotiation, Selling Techniques, Trustworthiness, Customer Retention, Sales Presentation, Collaboration, Sales, Relationship Building, General Sales Practices, Sales Presentations, Customer Relationship Building, Sales Management, Rapport Building, Virtual Networking, Virtual Environment, Digital Communications, Presentations
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Wireless Networks, Network Architecture, Network Security, Local Area Networks, Network Planning And Design, Threat Management, Network Infrastructure, Virtual Local Area Network (VLAN), Vulnerability Assessments, Network Performance Management, Vulnerability Scanning, General Networking, Network Engineering, Network Switches, Network Administration, Cybersecurity, Cyber Attacks, Enterprise Architecture, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: .NET Framework, ASP.NET, Web Applications, Application Deployment, Secure Coding, Content Management, Content Management Systems, Web Development, Web Development Tools, C# (Programming Language), Model View Controller, Web Content, Containerization, C and C++, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Robotic Process Automation, Data Manipulation, Email Automation, Web Scraping, User Interface (UI), Business Process Automation, Automation, UI Components, Human Computer Interaction, Context Management, Network Protocols, Data Import/Export, Software Development Tools, Robotics, Data Management, Process Modeling, Computing Platforms, Package and Software Management, Programming Principles, Document Management
★ 4.7 (534) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Transformation, Data Manipulation, SAS (Software), Data Preprocessing, Debugging, SQL Server Reporting Services, Data Pipelines, Data Analysis, Data Validation, Analytics, Data Governance, Verification And Validation, Business Logic, Query Languages, Code Reusability
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Diagnostic Radiology, Medical Imaging, Radiology, Radiography, X-Ray Computed Tomography, Diagnostic Medical Sonography, Medical Ultrasonography, Magnetic Resonance Imaging, Diagnostic Tests, Image Analysis, Anatomy
★ 4.8 (391) · Intermediate · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Virtual Teams, Telecommuting, Conflict Management, Document Management, Performance Metric, Team Management, Team Building, Collaboration, Team Performance Management, Collaborative Software, Productivity, Operational Excellence, Team Collaboration, De-escalation Techniques, Performance Measurement, Workflow Management, Document Control, Project Documentation, Performance Management, Meeting Facilitation
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Report Writing, Applied Mathematics, Network Model, Business Modeling, Industrial Engineering, Research Reports, Model Optimization, Linear Algebra, Numerical Analysis, Operational Analysis, Statistical Machine Learning, Inventory Control, Case Studies, Process Optimization, Algorithms, Project Design, Machine Learning, Business Analytics
★ 4.8 (734) · Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Responsible AI, Data Ethics, Experience Design, User Experience Design, Human Centered Design, Human Factors, Decision Intelligence, Information Privacy, Design Thinking, Machine Learning, Ethical Standards And Conduct, Law, Regulation, and Compliance, Automation
★ 4.7 (244) · Beginner · Course · 1 - 4 Weeks