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.

Board Infinity
Skills you'll gain: Hibernate (Java), Multi-Tenant Cloud Environments, Object-Relational Mapping, Spring Boot, Performance Tuning, Java, Data Modeling
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Application Programming Interface (API), Virtual Environment, Python Programming, User Accounts, Application Security, Encryption, Data Modeling
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Edureka
Skills you'll gain: Model Context Protocol, AI Orchestration, AI Personalization, OpenAI API, OpenAI, Cloud Deployment, Agentic systems, Application Deployment, Generative AI Agents, ChatGPT, CI/CD, System Monitoring, Context Management, Responsible AI, Artificial Intelligence, Generative AI, Development Testing
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Creative Thinking, Information Management, Content Management, Knowledge Transfer, Digital Publishing, Curiosity, Creative Problem-Solving, Information Architecture, File Management, Systems Thinking, Critical Thinking, Productivity Software, Responsible AI, Organizational Skills, Productivity, Writing and Editing, Collaboration, Development Environment
Beginner Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Data Persistence, Retrieval-Augmented Generation, LLM Application, OpenAI API, Full-Stack Web Development, Restful API, Development Environment, Vector Databases, Embeddings, Application Deployment, JSON, Data Integration
Intermediate Ā· Course Ā· 1 - 3 Months

Harvard Business Review
Skills you'll gain: Innovation, Creative Thinking, Curiosity, Ideation, Brainstorming, Strategic Thinking, New Product Development, Market Opportunities, Business Risk Management, Collaboration, Continuous Improvement Process, Problem Solving, Prioritization, Stakeholder Engagement
Intermediate Ā· Course Ā· 1 - 4 Weeks

Logical Operations
Skills you'll gain: Employee Performance Management, Performance Appraisal, People Development, Performance Review, Employee Engagement, Performance Management, Communication, Goal Setting, Goal-Oriented, Performance Metric, Performance Measurement, Performance Analysis, Employee Onboarding, Performance Reporting, Active Listening, Motivational Interviewing, Job Analysis, Personal Development, Interviewing Skills, Job Evaluation
Mixed Ā· Course Ā· 1 - 3 Months

Lund University
Skills you'll gain: Machine Controls, Programming Principles, Control Systems, Event-Driven Programming, Robotics, Computer Programming, Automation, System Requirements, Real Time Data, User Interface (UI), Debugging
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Canva (Software), Instagram, Marketing Design, Graphic Design, Social Media Campaigns, Social Media Content, Content Creation, Social Media Marketing, Design, Graphic and Visual Design, Brand Awareness, Social Media, Social Impact, Digital Marketing
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Intermediate Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Content Management Systems, Web Analytics, Search Engine Optimization, Web Design, Retail Management, Order Management, E-Commerce, Marketing Strategies, Blogs, Customer Relationship Management (CRM) Software, Content Creation, Dashboard, Web Frameworks, Email Marketing
Beginner Ā· Course Ā· 1 - 3 Months

Skills you'll gain: jQuery, Ajax, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Content Accessibility Guidelines, Usability, Javascript and jQuery, Hypertext Markup Language (HTML), Web Development, Web Design and Development, Usability Testing, Javascript, Application Deployment, Web Design, Interactive Data Visualization, Event-Driven Programming, Semantic Web, Web Applications, Functional Testing
Beginner Ā· Specialization Ā· 1 - 3 Months