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.

Johns Hopkins University
Skills you'll gain: Database Management, Apache Hadoop, Query Languages, Big Data, Databases, SQL, Data Access, Distributed Computing, Performance Tuning, Data Processing, Data Integrity, Authorization (Computing), Data Storage Technologies, File Systems, Algorithms
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Authentications, Application Frameworks, Web Applications, Web Development, Test Script Development, Maintainability, Network Routing, Test Case, Unit Testing, Authorization (Computing), Identity and Access Management, Functional Testing, Integration Testing, Application Security, Configuration Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Project Schedules, Scheduling, Timelines, Project Management Software, Project Management, Workflow Management, Diagram Design, Dependency Analysis
Beginner · Guided Project · Less Than 2 Hours

Pontificia Universidad Católica del Perú
Skills you'll gain: Design Thinking, Research and Design, Sustainable Development, Innovation, Ethical Standards And Conduct, Cultural Sensitivity, Creativity, Sustainability Standards, Cultural Diversity, Community Development, Collaboration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Planning, Process Flow Diagrams, Diagram Design, Business Strategy, Strategic Thinking, Strategic Planning, User Accounts, Productivity Software, Collaborative Software, Graphic Design, Market Analysis
Beginner · Guided Project · Less Than 2 Hours

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: Kanban Principles, Collaborative Software, Project Management Software, Diagram Design, Workflow Management, Calendar Management, Project Management, Software Installation, Query Languages
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Computer Vision, Python Programming, Image Analysis, Real Time Data, Classification Algorithms, Development Environment, Deep Learning, Software Installation, Algorithms
Beginner · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Generative AI, AI Workflows, OpenAI, Responsible AI, Data Ethics, Artificial Intelligence, Creative Design, Image Quality, Design, Digital Design, Graphic Design, Machine Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Diagram Design, Process Flow Diagrams, User Accounts, Process Mapping, Organizational Structure, Data Visualization, Creativity
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Serverless Computing, API Gateway, Image Analysis, Amazon CloudWatch, Extensible Markup Language (XML), JSON, Computer Vision, Cloud Deployment, API Design, Amazon Web Services, Event-Driven Programming, Amazon S3, Microservices, Cloud Development, AWS CloudFormation, Application Programming Interface (API), AI Enablement, Cloud Applications, Authentications, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Blogs, Competitive Analysis, Quality Assessment, Relationship Building, Content Strategy, Content Creation
Mixed · Course · 1 - 3 Months