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: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java), Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Presentations, Animations, LinkedIn, Marketing Design, Social Media, Instagram, Social Media Marketing, Facebook, Marketing Materials, Marketing Budgets, Graphic Design, Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Relational Databases, Databases, Data Visualization Software, Web Scraping, Data Science, Scatter Plots, Data Manipulation, SQL, Data Processing, JSON, Application Programming Interface (API), Data Import/Export, Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Visual Basic (Programming Language), Automation, Computer Programming Tools, Microsoft 365, Data Wrangling, Microsoft Office, Spreadsheet Software, Development Environment, Computer Programming, Data Science
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, Cloud Computing, Cloud API, API Design, Python Programming, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Video Game Development, Game Design, Art History, Music History, Animation and Game Design, Computer Graphics, Culture, Policy Analysis, Public Policies, Interactive Design, Cultural Diversity, Storytelling, Case Studies, Innovation
Build toward a degree
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Professionalism
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: HubSpot CRM, Customer Relationship Management, Marketing Automation, Performance marketing, Online Advertising, Keyword Research, Promotional Strategies, Social Media Marketing, Advertising Campaigns, Marketing Strategies, Customer Acquisition Management, Product Promotion, Search Engine Optimization, Performance Metric, Customer Engagement, Advertising, Key Performance Indicators (KPIs), Competitive Analysis, Business Metrics
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Cross Platform Development, iOS Development, User Interface (UI) Design, Android Development, Application Development, JavaScript Frameworks, Data Storage Technologies, Development Environment, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Content Strategy, Content Marketing, Content Performance Analysis, Web Content, Social Media Content, Paid media, Digital Content, Marketing Strategies, Content Creation, Email Marketing, Copywriting, Search Engine Optimization, Digital Advertising, Business-To-Consumer, Target Audience, Key Performance Indicators (KPIs), Customer Engagement, B2B Sales
Beginner · Course · 1 - 4 Weeks

University of Virginia Darden School Foundation
Skills you'll gain: Adaptability, Active Listening, Emotional Intelligence, Critical Thinking, Professional Development, Leadership Development, Personal Development, Empathy & Emotional Intelligence, Collaboration, Team Building, Relationship Building, Resilience, Self-Awareness, Willingness To Learn, Quick Learning, Cognitive flexibility
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Design, Database Management, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Integrity, Data Storage, Performance Tuning, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Intermediate · Course · 1 - 3 Months