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 Geneva
Skills you'll gain: Digital pedagogy, Instructional Design, Game Design, Collaborative Software, Simulations, Reinforcement Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Applications, Ruby on Rails, Cloud Deployment, Application Deployment, PostgreSQL, Cloud Hosting, CI/CD, Build Tools, Object-Relational Mapping, Cloud Storage, Database Application, Key Management, Secure Coding, Relational Databases, Data Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Disaster Recovery, Star Schema, Business Continuity Planning, Cost Benefit Analysis, Database Design, Business Continuity, Snowflake Schema, Database Architecture and Administration, Relational Databases, Data Warehousing, Data Modeling, Data Architecture, Data Validation, SQL, Site Reliability Engineering, Terraform, Infrastructure as Code (IaC), Extract, Transform, Load, Business Analytics, Cost Management
Advanced · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Digital Marketing Tools, Google Ads, Google Analytics, Keyword Research, Digital Marketing, Content Optimization, Web Analytics, User Experience
★ 4.1 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Budgets, Social Media Content, Photo/Video Production and Technology, Collaborative Software, Social Media Marketing, Content Creation, Video Editing, Social Media, Graphical Tools, Content Marketing, Marketing, Graphic and Visual Design Software, Graphic Design, Photo Editing
★ 3.9 (17) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: LLM Application, Data Transformation, Generative AI Agents, Large Language Modeling, Generative AI, Workflow Management, Artificial Intelligence, Embeddings, Memory Management, Automation, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Image Analysis, Real Time Data, Model Training, Python Programming, Development Environment, Data Preprocessing, Software Installation
★ 4.1 (21) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Code Reusability, Web Development Tools, Development Environment, Responsive Web Design, Software Design, Frontend Performance, Web Design and Development, HTML and CSS, Front-End Web Development, JavaScript Frameworks, Maintainability, UI Components, Cascading Style Sheets (CSS), Software Development Tools, Event-Driven Programming, Web Analytics and SEO
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Data Access, Data Analysis, Relational Databases, Databases
★ 3.3 (8) · Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Customer Retention, Sales Strategy, Upselling, General Sales Practices, Customer Acquisition Management, Revenue Management, Selling Techniques, Customer Relationship Building, Telecommuting, Growth Strategies, Promotional Strategies, Entrepreneurship, Product Promotion, Customer Service, Search Engine Optimization, Subcontracting, Copywriting
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Bootstrap (Front-End Framework), Javascript, HTML and CSS
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Scalability, Authentications, JSON, Authorization (Computing), Web Development Tools, Web Applications, Web Development, Server Side, Secure Coding, JavaScript Frameworks, Back-End Web Development, Application Frameworks, Javascript, Restful API, Development Environment, Event-Driven Programming, Operating Systems, Email Automation, Integrated Development Environments
★ 4.5 (53) · Intermediate · Course · 1 - 4 Weeks