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.

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Storage, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Star Schema, Cloud Storage, Data Mart, Database Design, Snowflake Schema, Query Languages, Metadata Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, JSON, Application Programming Interface (API), Javascript, Event-Driven Programming, Data Validation, Web Development, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Global Positioning Systems, Journalism, Music, Political Sciences, Entrepreneurship, Systems Engineering, Culture, Aerospace Basic Quality System Standards, Media and Communications, International Relations, Governance, Higher Education, Public Policies, Physical Science, Liberal Arts, Geographic Information Systems, Physics, Engineering Design Process, Environmental Science, Writing
Beginner · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Multilingualism, Language Interpretation, Translation, and Studies, Cultural Diversity, Language Learning, Diversity Awareness, Culture, Intercultural Competence, World History, Community Development, Digital Communications
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Java, Java Programming, Algorithms, Computational Thinking, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Functional Design, Development Environment
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Test Script Development, Test Automation, Browser Compatibility, JUnit, Object Oriented Programming (OOP), Test Data, Integration Testing, Java Programming, Test Case, Test Execution Engine, Software Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Applications, Computational Logic, Software Development Tools, Business Logic, Other Programming Languages, Program Development, Scalability
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Data Structures, Package and Software Management, Development Environment, Web Development, Blockchain, Programming Principles, Web Servers, Command-Line Interface, Maintainability, Algorithms, Integrated Development Environments, Software Testing, Unit Testing, System Programming, Software Design Patterns, Development Testing, Data Validation
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Qualitative Research, Research Design, User Research, Surveys, Focus Group, Research Methodologies, Research, Research and Design, Business Research, Data Collection, Interviewing Skills, Case Studies, Analysis
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Data Structures, Database Development, Computer Programming, Open Source Technology, User Interface (UI), Web Development, File Management, Scripting, Program Development, Scripting Languages, Data Processing, Data Manipulation
Build toward a degree
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Civil Engineering, Construction Engineering, Building Information Modeling, Construction, Construction Management, Capacity Management, Capacity Planning, Building Design, Building Services Engineering, Facility Management, Facility Repair And Maintenance, Landscape Architecture, Construction Estimating, Architecture and Construction, Architectural Design, Civil and Architectural Engineering, Environmental Engineering, Energy and Utilities, Engineering Plans And Specifications, Sustainable Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Convolutional Neural Networks, Deep Learning, Machine Learning, Computer Vision
Intermediate · Guided Project · Less Than 2 Hours