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: Object-Relational Mapping, Hibernate (Java), Apache Maven, Model View Controller, Spring Framework, Relational Databases, Database Design, MySQL, Databases, Java Programming, Full-Stack Web Development, Database Application, Authentications, Java Platform Enterprise Edition (J2EE), Web Applications, Back-End Web Development, Data Validation, Data Modeling, Data Access
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Patient Education and Support, Patient Education And Counseling, Patient Treatment, Communication Strategies, Communication, Instructional Design, Empathy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Inventory and Warehousing, Inventory Management, Warehousing, Inventory Control Systems, Inventory Control, Materials Management, Warehouse Operations, Warehouse Management, Inventory Management System, Inventory Accounting, Supply Chain Systems, Logistics Management, Order Management, Order Fulfillment, Reverse Logistics, Order Processing, Cost Accounting
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cloud Security, Identity and Access Management, AWS Identity and Access Management (IAM), Incident Response, Cloud Computing, Cloud Applications, Computer Security Incident Management, Cloud Standards, Cloud Platforms, IT Security Architecture, Data Security, Application Security, Network Security, Encryption, Cloud Deployment, Incident Management, Role-Based Access Control (RBAC), Amazon Web Services, Security Management, Authorization (Computing)
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Django (Web Framework), Dashboard Creation, Model View Controller, Authentications, Chart.js, Data Import/Export, Full-Stack Web Development, Web Development, Data Modeling, Object-Relational Mapping, Cascading Style Sheets (CSS), Responsive Web Design, Javascript, Code Reusability, User Interface (UI), Development Environment, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Data Collection, Surveys, Statistical Methods, Quantitative Research, Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Research Design, Statistical Software, Probability, Network Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ideation, Diagram Design, Brainstorming, Teamwork, Data Visualization, Team Collaboration, Organizational Skills, Productivity
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Animation and Game Design, Git (Version Control System), GitHub, Android (Operating System), Android Development, Unity Engine, Animations, Software Versioning, C# (Programming Language), Video Game Development, User Interface (UI), Mobile Development, Scripting, Application Deployment, Scripting Languages, C and C++, Code Reusability, Game Design, Software Installation, User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Interviewing Skills, Search Engine Optimization, Generative Engine Optimization (GEO), Oral Expression, Marketing, Decision Making, Web Analytics and SEO, Digital Marketing, Keyword Research, Marketing Analytics, Verbal Communication Skills, Strategic Decision-Making, Data-Driven Decision-Making, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, Application Design, Typography, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Gemini, Generative AI, Generative AI Agents, Google Cloud Platform, Web Content, AI Personalization, Prompt Engineering, Agentic Workflows, Web Analytics and SEO, Web Design, Digital Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Data, Test Execution Engine, Test Script Development, Test Case, Test Engineering, Software Testing, Debugging, Scalability, Test Planning, Application Frameworks, Maintainability, Automation, Code Reusability, Software Architecture, Software Design Patterns, Configuration Management, Package and Software Management
Intermediate · Course · 1 - 3 Months