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.

Coursera
Skills you'll gain: Accounting Software, Data Validation, QuickBooks (Accounting Software), Expense Management, Accounting Records, Data Entry, Verification And Validation, Financial Reporting, Productivity Software, Spreadsheet Software, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, Responsive Web Design, HTML and CSS, Javascript and jQuery, Application Deployment, Web Development, Semantic Web, JSON, User Interface (UI), Data Validation, Payment Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, API Testing, Web Development, Javascript, JSON, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Event-Driven Programming, Apache, Web Development, Web Scraping, Web Services, Web Applications, Python Programming, Web Servers, Databases, Extensible Markup Language (XML), Network Protocols, Hypertext Markup Language (HTML), Servers, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Simulations, Education Software and Technology, Computer Programming Tools, Computational Thinking, No-Code Development, Program Development, Computer Programming, UI Components, Pedagogy
Advanced · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Data Pipelines, Databases, Extract, Transform, Load, Data Lakes, NoSQL, SQL Server Integration Services (SSIS), Data Processing, Data Architecture, Azure Synapse Analytics, Data Warehousing, Data Management, Microsoft Azure, Data Transformation, Database Management Systems, Data Infrastructure, Data Integration, Data Governance, Data Storage Technologies, Data Storage, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, OpenAI, Generative AI Agents, Embeddings, ChatGPT, Agentic systems, Vector Databases, Generative AI, Artificial Intelligence, Context Management, Model Evaluation, Application Programming Interface (API), Python Programming, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Retrieval-Augmented Generation, Generative AI, LLM Application, Large Language Modeling, Google Cloud Platform, Prompt Engineering, Application Design, Embeddings, Prototyping, Solution Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Integration Testing, Command-Line Interface, Application Deployment, Dependency Analysis, Data Migration
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Effectiveness, Marketing Analytics, Google Analytics, Web Analytics, Verification And Validation, Goal Setting, Web Analytics and SEO, Performance Metric, Transaction Processing, Data Validation, System Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Web Development Tools, HTML and CSS, Web Development, Javascript, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Slack (Software), Internal Communications, Organizational Structure, Strategic Communication, Stakeholder Communications, Technical Communication, Stakeholder Engagement, Organizational Effectiveness, Collaborative Software, Team Management
Beginner · Guided Project · Less Than 2 Hours