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.

Sungkyunkwan University
Skills you'll gain: Diagram Design, Liberal Arts, Culture, Cultural Diversity, Discussion Facilitation
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Spring Framework, Software Architecture, Microservices, Spring Boot, Cloud Applications, Event-Driven Programming, Java Programming, Restful API, Performance Tuning, MongoDB, Web Applications, Scalability, Real Time Data, Resilience, Integration Testing, Performance Management, Debugging
Intermediate · Course · 1 - 4 Weeks

NIIT
Skills you'll gain: React.js, Front-End Web Development, Systems Development Life Cycle, Application Development, User Interface and User Experience (UI/UX) Design, UI Components, User Flows, Unit Testing, Data Validation, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Data Infrastructure, Distributed Computing, Data Modeling, Scalability, Data Management, Data Strategy, Microservices, Solution Architecture, Data Governance, Software Architecture, Semantic Web, Data Integration, Information Architecture, CI/CD, Software Design, Maintainability, Enterprise Architecture, Data Analysis, Generative AI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Unreal Engine, Computer Graphics, Graphical Tools, Image Quality, Performance Tuning, Content Management, Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Records, Health Information Management and Medical Records, Health Information Management, Records Management, Medical Office Procedures, Record Keeping, Document Management, File Management, Patient Safety, Clinical Documentation, Quality Assurance
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Vue.JS, Application Deployment, JavaScript Frameworks, Application Design, User Interface (UI), Frontend Performance, Web Analytics and SEO, Android Development, Server Side, Data Management
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Application Deployment, Load Balancing, Cloud Development, Infrastructure As A Service (IaaS), Microservices, Google App Engine, Kubernetes, Cloud Applications, API Design, Cloud Services, Restful API, Data Storage Technologies, Terraform, Cloud Computing, Virtual Networking, Cloud Computing Architecture, CI/CD
Intermediate · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Data Pipelines, Agentic systems, Data Ethics, Responsible AI, Real Time Data, Model Deployment, Model Evaluation, Data Processing, Data Analysis, No-Code Development, AI Workflows, Artificial Intelligence, Data Collection, Machine Learning, Information Privacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Transformation, Business Transformation, Product Lifecycle Management, Technology Strategies, Design Thinking, Competitive Analysis, Business Process Automation, Growth Strategies, Business Strategies, Emerging Technologies, Business Economics, Innovation, Market Dynamics, Leadership, Communication
Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Environmental Issue, Environmental Science, Environment, Education and Training, Sustainable Development, Sustainable Technologies, Systems Thinking, Collaboration
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: MongoDB, NoSQL, Database Management, Data Wrangling, Performance Tuning, Database Design, Databases, Data Modeling, Data Store, Query Languages, Scalability, Real Time Data, Disaster Recovery, Data Security
Intermediate · Course · 1 - 3 Months