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: JavaScript Frameworks, Vue.JS, Front-End Web Development, Responsive Web Design, React.js, Web Development Tools, Application Programming Interface (API), HTML and CSS, Angular, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, OpenAI API, Microsoft Copilot, AI Workflows, Application Development, Code Review, Debugging
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Sharing, Interoperability, Information Architecture, Technical Documentation, Data Management, Data Validation, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Red Hat Enterprise Linux, Command-Line Interface, Linux Administration, User Accounts, Linux, Operating System Administration, Software Installation, System Configuration, Systems Administration, Security Controls, File Management, System Monitoring, User Interface (UI)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Database Design, SQL, Data Management, Databases, Query Languages, Relational Databases, Data Manipulation, Data Analysis
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Business Transformation, Governance, Organizational Structure, Strategic Leadership, Emerging Technologies, Business Modeling, Business Management, New Business Development, Social Impact, Innovation, Intellectual Property
Mixed · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Report Writing, Operations Research, Applied Mathematics, Mathematical Modeling, Algorithms, Industrial Engineering, Business Modeling, Process Optimization, Engineering Calculations, Feasibility Studies, Project Design, Engineering Management, Business Operations, Data Visualization, Presentations, Complex Problem Solving, Business Analytics
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Business Modeling, Value Propositions, Business Planning, Customer Analysis, User Research, Target Audience, Business Marketing, Financial Management, Marketing Strategies, Entrepreneurship, Customer Acquisition Management, Market Opportunities, Email Marketing, Business Development, Social Media Marketing, Interviewing Skills, Product Development, Search Engine Optimization
Beginner · Course · 1 - 3 Months

Skills you'll gain: PySpark, Customer Analysis, Big Data, Data Processing, Advanced Analytics, Statistical Modeling, Text Mining, Customer Insights, Data Transformation, Unstructured Data, Simulation and Simulation Software, Data Manipulation, Image Analysis
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Materials, Presentations, Email Marketing, Content Creation, Brand Awareness, Marketing Design, Driving engagement, Content Marketing, Sales Presentations, Marketing Communications, Digital Marketing, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

American Council on Exercise
Skills you'll gain: Health And Wellness Coaching, Kinesiology, Coaching, Exercise Science, Motivational Interviewing, Patient Education And Counseling, Empowerment, Gynecology, Sports Medicine, Physiology, Diversity Awareness, Empathy, Anatomy, Endocrinology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Timelines, Database Design, Workflow Management, Project Management Software, Client Services, Customer Relationship Management (CRM) Software, Productivity Software, Project Management, Collaborative Software, Process Improvement and Optimization
Mixed · Course · 1 - 4 Weeks