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 Oriented Programming (OOP), Java, Development Environment, Computer Programming, Software Design, Integrated Development Environments, Debugging, File Management, Data Structures
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Software Design, Program Development, Computational Thinking, Algorithms, Data Structures, Software Engineering, Systems Development, Computer Programming
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Surveys, Data Collection, Epidemiology, Public Health, Health Equity, Health Informatics, Health Policy, Public Health and Disease Prevention, Health Disparities, Community Health, Health Care, Research Methodologies, Health Information Management, Data Quality, Chronic Diseases, Health Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Personal Development, Human Development, Personal Attributes, Self-Awareness, Growth Mindedness, Lifelong Learning, Psychology, Emotional Intelligence, Social Sciences, Cultural Diversity, Sociology, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Microservices, Authentications, OAuth, Application Deployment, Integration Testing, Event-Driven Programming, Data Migration, Application Programming Interface (API), Software Architecture, Software Design Patterns, Scalability, Systems Integration
Intermediate · Course · 1 - 3 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
University of Michigan
Skills you'll gain: Relational Databases, Data Visualization Software, Databases, MySQL, Database Design, Database Systems, SQL, Database Management Systems, Database Management, Query Languages, Object Oriented Programming (OOP), Data Storage, Data Processing, Web Scraping, Python Programming, Data Collection, Display Devices
Mixed · Course · 1 - 3 Months

Skills you'll gain: Web Applications, Application Development, Web Development, Leaflet (Software), React.js, UI Components, User Interface (UI), Application Deployment, Cloud Deployment, JavaScript Frameworks, OAuth, User Accounts, Authentications, Front-End Web Development, Development Environment, User Interface and User Experience (UI/UX) Design, Secure Coding, Responsive Web Design, Javascript, Software Installation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: User Interface (UI), Interactive Design, User Interface and User Experience (UI/UX) Design, Unreal Engine, Game Design, Artificial Intelligence, Scripting, Video Game Development, Data Structures, Debugging
Mixed · Course · 1 - 3 Months

Skills you'll gain: Real Time Data, Data Pipelines, Data Transformation, Data Integration, Data Processing, Extract, Transform, Load, Power BI, Data Lakes, PySpark, Apache Spark, Data Quality, Data Governance, Analytics
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Java Programming, Java, System Programming, OS Process Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Hugging Face, Technical Management, Prompt Engineering, AI Enablement, Model Evaluation, Solution Architecture, Analysis, Model Deployment, System Design and Implementation, Design
Intermediate · Course · 1 - 4 Weeks