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: Server Side, Restful API, API Design, Database Management, Back-End Web Development, Databases, Database Systems, Node.JS, Application Programming Interface (API), Full-Stack Web Development, Authentications, Web Applications, JavaScript Frameworks, Web Development, Web Servers, Authorization (Computing), NoSQL, MongoDB, Servers, Javascript
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Canva (Software), Design, Creative Design, Branding, Graphic and Visual Design, Social Media Content, Graphic Design, Brand Strategy, Marketing Collateral, Brand Management, Marketing Communications
Beginner Ā· Guided Project Ā· Less Than 2 Hours

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

Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Selenium (Software), Test Script Development, OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, Test Tools, Git (Version Control System), Test Data, Software Installation, Debugging
Intermediate Ā· Course Ā· 3 - 6 Months

Pearson
Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Programming (OOP), System Programming
Intermediate Ā· Course Ā· 1 - 4 Weeks

Coursera
Skills you'll gain: Prompt Engineering, Anthropic Claude, Generative AI, Artificial Intelligence, Application Development, Application Programming Interface (API), Authentications, Context Management, User Interface and User Experience (UI/UX) Design, Content Creation, Customer Service
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: PySpark, Customer Analysis, Big Data, Data Processing, Advanced Analytics, Statistical Modeling, Text Mining, Customer Insights, Risk Modeling, Data Transformation, Unstructured Data, Simulation and Simulation Software, Data Manipulation, Image Analysis
Mixed Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Python Programming, Scripting, Data Processing, Data Analysis, Programming Principles, Object Oriented Programming (OOP)
Beginner Ā· Guided Project Ā· Less Than 2 Hours

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 Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Real Time Data, Apache Spark, Apache Kafka, Data Integration, Apache Hive, Big Data, Applied Machine Learning, System Design and Implementation, Distributed Computing, Data Processing, NoSQL, MongoDB, SQL, Scalability
Intermediate Ā· Course Ā· 1 - 3 Months

Board Infinity
Skills you'll gain: Professionalism
Beginner Ā· Course Ā· 1 - 3 Months

Advanced Ā· Course Ā· 1 - 4 Weeks