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.

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Web Design and Development, Web Development
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction Engineering, Laboratory Testing, Construction, Construction Inspection, Production Process, Manufacturing and Production, Construction Management, Manufacturing Operations, Plant Operations and Management, Manufacturing Processes, Civil Engineering, General Construction and Construction Labor, Safety Standards, Commercial Construction, Process Validation, Product Testing, Engineering Plans And Specifications, Chemical Engineering, Materials science, Drafting and Engineering Design
Advanced · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Market Research, Marketing Planning, Marketing Strategies, Meta Ads Manager, Blogs, Marketing, Marketing Effectiveness, Podcasting, Video Production, Growth Strategies, Social Media Content, Search Engine Optimization, Web Analytics and SEO, Shared Media, Paid media, Marketing Channel, Google Ads, Content Creation, Social Media Management, Web Presence
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Microsoft Visual Studio, Object Oriented Design, Program Development, Microsoft Development Tools, .NET Framework, Code Reusability, Software Engineering, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Architectural Drawing, Technical Drawing, Drafting and Engineering Design, Engineering Drawings, Computer-Aided Design, Autodesk, Civil and Architectural Engineering, Architecture and Construction, Architectural Design, Design Software, Plot (Graphics), Data Import/Export, File Management, Design, Functional Design, Command-Line Interface
Beginner · Course · 3 - 6 Months

Skills you'll gain: Petroleum Industry, Oil and Gas, Environmental Regulations, Pump Stations, Process Engineering, Chemical Engineering, Water Quality, Three-Phase, Equipment Design, Engineering Calculations
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Tree Maps, Theoretical Computer Science, Analysis, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Wealth Management, Portfolio Management, Asset Management, Portfolio Risk, Financial Planning, Investment Management, Investments, Performance Measurement, Financial Services, Finance, Performance Analysis, Risk Management, Market Trend, Decision Making, Microsoft Excel
Mixed · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Global Marketing, International Finance, International Relations, Intercultural Competence, Business Economics, Organizational Structure, Staff Management, Business Management, Cultural Sensitivity, Human Resource Management, Market Analysis, Workforce Management, Cultural Diversity, Business Strategy, Entrepreneurship, Market Dynamics, Business Intelligence, Economic Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), File I/O, Test Script Development, Software Testing, Programming Principles, Browser Compatibility, Web Development Tools, Software Installation, Automation, Python Programming, Development Environment, Integrated Development Environments, Package and Software Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Collaboration, Educational Materials, Instructional Design, Laboratory Experience, Constructive Feedback, Learning Strategies, Experimentation, Science and Research, Physics, Scientific Methods, Investigation
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Customer Relationship Building, Conversion Funnel Analysis, Brand Loyalty, Driving engagement, Customer Retention, Order Delivery, Social Media Management, Social Media Analytics, Drive Engagement, Social Media Content, Target Market, Customer Relationship Management, Customer Engagement, Digital Media Strategy, E-Commerce, Digital Marketing, Business Marketing
Beginner · Specialization · 3 - 6 Months