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.

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Correspondence, Business Communication, Writing, Organizational Skills, Concision, Writing and Editing, Proofreading, Grammar, Communication, Editing, Organizational Strategy, Persuasive Communication, Verbal Communication Skills, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Financial Trading, Financial Market, Portfolio Risk, Derivatives, Market Analysis, Statistical Analysis, Market Dynamics, Market Data, Risk Analysis, Data Validation, Trend Analysis, Performance Analysis, Probability Distribution, Behavioral Economics, Model Evaluation, Consolidation, Risk Management
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Market Intelligence, Survey Creation, Market Research, Business Research, Research Methodologies, Customer Insights, User Feedback, Target Audience, Qualitative Research, Target Market, Quantitative Research, Data Collection, Case Studies, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft SQL Servers, SQL, Query Languages, Transaction Processing, Database Management, Data Manipulation, Relational Databases, Databases, Database Design, Database Software, Data Management, Data Integrity, Performance Tuning
Mixed · Course · 1 - 3 Months

Skills you'll gain: Newsletters, Campaign Management, Keyword Research, Digital Marketing, Pay Per Click Advertising, Email Marketing, Digital Advertising, Performance Analysis, Performance Metric, Web Analytics, Online Advertising, Google Ads, Marketing Channel, Search Engine Marketing, Social Media Management, Key Performance Indicators (KPIs), Social Media, Content Management, Content Strategy, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: People Analytics, Business Reporting, Stakeholder Analysis, Data Analysis Expressions (DAX), Business Analytics, Data Validation, Data Visualization, Data Visualization Software, Data Transformation
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Peripheral Devices, Hardware Architecture, Computer Hardware, Hardware Troubleshooting, Computer Architecture, Networking Hardware, Display Devices, USB, Performance Analysis, General Networking, Data Storage, Computer Networking, Wireless Networks, Data Storage Technologies
Beginner · Course · 1 - 3 Months
University of California, Davis
Skills you'll gain: Materials science, Semiconductors, Engineering, Mechanical Engineering, Failure Analysis, Structural Analysis, Electrical Engineering, Chemical Engineering, Thermal Management, Electronic Components, Electronics Engineering
Mixed · Course · 1 - 3 Months

Skills you'll gain: HubSpot CRM, Social Media Marketing, Market Research, Surveys, Marketing Automation, Marketing, Customer Relationship Management, Brand Awareness, Social Media Management, Marketing Effectiveness, Customer Retention, Research Methodologies, Market Analysis, Customer Insights, Customer Acquisition Management, Customer Engagement, Customer Data Management, Customer Communications Management, Content Management, Analytics
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: Unity Engine, User Interface (UI), Android Development, C# (Programming Language), Video Game Development, GitHub, Animation and Game Design, User Interface (UI) Design, Mobile Development, 3D Assets, User Interface and User Experience (UI/UX) Design, Microsoft Visual Studio, Software Installation
Intermediate · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: E-Commerce, Entrepreneurship, Blogs, Content Creation, Digital Content, Digital Publishing, Web Content, Pay Per Click Advertising, Video Production, Lead Generation, Marketing Channel, Email Marketing, Business Strategies, Search Engine Optimization, Advertising, Brand Strategy
Mixed · Course · 1 - 3 Months