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.

John Wiley & Sons
Skills you'll gain: Environmental Monitoring, Responsible AI, Social Impact, Applied Machine Learning, Data Ethics, Geospatial Information and Technology, Machine Learning, Sustainable Development, Artificial Intelligence, Natural Language Processing, Image Analysis, Health Informatics, Deep Learning, Predictive Modeling, Generative AI, Data-Driven Decision-Making, Healthcare Industry Knowledge
Beginner · Course · 3 - 6 Months

Skills you'll gain: Agentic Workflows, Technical Communication, Agentic systems, AI Orchestration, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Data Presentation, Professional Development, MLOps (Machine Learning Operations), Technical Documentation, Coaching, Technical Writing, Portfolio Management, Verbal Communication Skills, Project Documentation, Communication Strategies, GitHub
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Canva (Software), Logo Design, Typography, Layout Design, Content Performance Analysis, Collaborative Software, Style Guides, Color Theory, Brand Strategy, Branding, Marketing Strategies, Graphic and Visual Design Software, Animations, Marketing Design, Graphic and Visual Design, Brand Marketing, Scalability, Marketing Automation, Content Marketing, Marketing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: jQuery, Javascript and jQuery, Responsive Web Design, HTML and CSS, Web Design and Development, Software Testing, Front-End Web Development, User Interface (UI) Design, Web Development Tools, Event-Driven Programming, Web Development, Hypertext Markup Language (HTML), Usability, Maintainability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Command-Line Interface, C# (Programming Language), .NET Framework, Performance Tuning, Microsoft Visual Studio, Application Design, Application Programming Interface (API), Software Development Tools, File I/O, Authentications, Application Security, Software Testing, Unit Testing, Debugging
Beginner · Course · 3 - 6 Months

Skills you'll gain: Configuration Management, Experimentation, Software Documentation, Data Maintenance, Analysis, Workflow Management
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Engineering Calculations, Applied Mathematics, Simulation and Simulation Software, Engineering, 3D Modeling, Thermal Management, Process Analysis, Scientific Visualization, Geometry, Star Schema, Environment
Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, JavaScript Frameworks, Application Programming Interface (API), Unit Testing, UI Components, Front-End Web Development, Software Design Patterns, Javascript, Context Management
Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Forecasting, Classification Algorithms, Dimensionality Reduction
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Adobe Creative Cloud, Editing, Data Import/Export, Graphic and Visual Design, Color Theory
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, Health Information Management, Relational Databases, Database Design, Back-End Web Development, Database Management, Databases, Web Applications, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL Server Reporting Services, Microsoft SQL Servers, Business Reporting, Business Intelligence, SQL, Interactive Data Visualization, Data Visualization, Microsoft Development Tools, Microsoft Visual Studio
Mixed · Course · 1 - 3 Months