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: Application Lifecycle Management, Maintainability
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Organizational Change, Business Transformation, Mergers & Acquisitions, Change Management, Digital Transformation, Culture Transformation, Agile Methodology, Adaptability, Organizational Strategy, Business Leadership, Organizational Effectiveness, Strategic Planning, Organizational Structure, Innovation, Leadership, Human Resource Strategy, Business Strategies, Business Strategy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Modeling, Database Design, Extract, Transform, Load, Data Warehousing, Data Pipelines, Business Intelligence, Data Mart, Database Management, Data Management, Process Optimization, Data Quality, Data Transformation, Performance Testing
Advanced · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Audit Planning, Internal Auditing, Internal Controls, Internal Communications, Compliance Auditing, Report Writing, Governance Risk Management and Compliance, Continuous Improvement Process, Presentations, Benchmarking, Governance, Risk Analysis, Risk Management Framework, Stakeholder Communications, Strategic Communication, Environmental Social And Corporate Governance (ESG), Risk Management, Stakeholder Management, Business Ethics, Fraud detection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Classification And Regression Tree (CART), Model Deployment, Decision Tree Learning, Predictive Modeling, Model Evaluation, Feature Engineering, Machine Learning Methods, Random Forest Algorithm, Applied Machine Learning, Performance Tuning, Statistical Machine Learning, Scikit Learn (Machine Learning Library), Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Development, Javascript, JavaScript Frameworks, Web Content, Web Servers, Browser Compatibility, Web Design and Development, Web Analytics and SEO, Web Design, Front-End Web Development, Web Applications, Apache, Development Environment, Semantic Web, Software Development
Beginner · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Vibe coding, Generative AI Agents, GitHub, AI Workflows, Software Development Tools, Application Development, Artificial Intelligence, Generative AI, AI Personalization, Code Review, Responsible AI, Software Development, Front-End Web Development, Design Software, React.js, Software Engineering, Web Development, Javascript
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design and Development, Software Testing, Web Development Tools, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, Database Development, Event-Driven Programming, Database Application, .NET Framework, Visual Basic (Programming Language), Application Development, Data Management, Business Logic, SQL, Data Validation, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Web Design, Web Design and Development, WordPress, Web Language, HTML and CSS, Browser Compatibility, Web Content, Web Development, Web Analytics and SEO, Cross Platform Development, Content Management, Web Applications
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Specialized Accounting, Accounting Records, Cost Estimation
Beginner · Course · 1 - 4 Weeks