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.

Coursera
Skills you'll gain: Data Import/Export, Data Cleansing, Data Preprocessing, Data Analysis, Data Quality, Human Resources Information System (HRIS), Data Ethics, Data Validation, Microsoft Excel, Data Integrity, Verification And Validation, AI Workflows, Relational Databases, Project Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux Commands, Scripting, Linux, Scripting Languages, Linux Administration, Command-Line Interface, Remote Access Systems, OS Process Management, Automation, Computational Logic, File Management, DevOps, File I/O
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Audit Working Papers, Accounts Payable, Auditing, Accounting Systems, Audit Planning, Financial Auditing, Standard Accounting Practices, Accounting Records, Auditors Report, Document Management, Transaction Processing, Verification And Validation, SAP Applications, Authorization (Computing), Asset Protection, Financial Controls, Invoicing, Internal Controls, Fraud detection, Payment Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Development, Billing & Invoicing, Databases, Billing, Application Design, Registration, Program Development, Restaurant Operation, Invoicing, Restaurant Management, Systems Development, Order Entry, Order Management, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Diagram Design, Data Visualization, Brainstorming, Business Software, User Accounts, Collaborative Software, Project Planning, Data Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Usability Testing, Software Design Documents, Software Documentation, Usability, User Experience Design, User Centered Design, Test Tools, UI/UX Research, User Experience, User Research, Human Centered Design, Design Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Experience Design, Design Reviews, Prototyping, User Experience, Interactive Design, Peer Review, UI/UX Research, Wireframing, Collaborative Software
Intermediate · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Team Collaboration, Leadership, Collaboration, Nutrition and Diet, Precision Medicine, Sports Medicine, Performance Analysis, Meal Planning And Preparation, Data-Driven Decision-Making, Data Management, Climate Change Adaptation, Athletic Training, AI Integrations, Innovation, AI Personalization, Communication, Real Time Data, Environmental Science, Technology Solutions, Health Technology
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Recognizing Others, Leadership Development, Leadership, Growth Mindedness, Initiative and Leadership, Team Leadership, Personal Development, Team Motivation, Fundraising, Leadership and Management, Self-Awareness, Motivational Skills, Influencing, Business Leadership, Empowerment, Personal Integrity, Trustworthiness, Visionary, Team Management, Team Oriented
Beginner · Course · 1 - 3 Months

Skills you'll gain: Legal Risk, Responsible AI, Data Ethics, Generative AI, AI Security, Personally Identifiable Information, Law, Regulation, and Compliance, AI literacy, Information Privacy, Regulation and Legal Compliance, Continuous Monitoring, Case Studies, Diversity Awareness, Ethical Standards And Conduct, Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI, OpenAI API, Development Environment, DeepSeek API, Agentic Workflows, AI literacy, Application Development, Game Design, Agentic systems, Email Automation, Web Scraping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Automation, Test Tools, Software Testing, Java, Test Data, Java Programming, Software Design Patterns, Code Reusability, Maintainability, Data Import/Export, Data Validation
Beginner · Course · 1 - 4 Weeks