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: Restful API, Database Design, API Design, MongoDB, Database Management, Authentications, Relational Databases, Performance Tuning, Databases, Authorization (Computing), NoSQL, SQL, Frontend Integration, Node.JS, Scalability
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Vibrations, Value Engineering, Failure Analysis, Engineering Analysis, Mechanical Design, Engineering Design Process, Mechanical Engineering, Engineering Calculations, Industrial Design, Materials science, Material Handling, Industrial Engineering, Design, Analysis, Innovation, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Data Import/Export, Data Mapping, Document Management, Web Content Accessibility Guidelines
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Web Applications, Javascript, Other Programming Languages, UI Components, Front-End Web Development, Web Development, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Programming Principles
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Serverless Computing, Google Cloud Platform, Cloud API, Image Analysis, Cloud Storage, File Management, Computer Vision, Cloud Computing, Data Lakes, Network Analysis
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: File I/O, Cryptography, User Accounts
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Apple Xcode, iOS Development, Apple iOS, Swift Programming, Mobile Development, Application Development, User Interface (UI), Programming Principles, User Interface (UI) Design, Responsive Web Design, Animations
Beginner · Course · 1 - 3 Months

Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Web Content Accessibility Guidelines, Disabilities, Mobile Development, Usability, User Interface (UI), Human Computer Interaction, Adobe Acrobat, Web Design, Diversity and Inclusion, Document Management, Hypertext Markup Language (HTML), Web Design and Development, Diversity Equity and Inclusion Initiatives, Microsoft Office, Android (Operating System), Technology Solutions, Android Development, iOS Development
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: AI Personalization, Fraud detection, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Computer Vision, Amazon Web Services, Natural Language Processing, AI Workflows, Applied Machine Learning, Text Mining, Unstructured Data, Document Management, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Video Game Development, Unreal Engine, Game Design, User Interface (UI), Prototyping, Visualization (Computer Graphics), Artificial Intelligence, User Interface (UI) Design, Animations, Debugging
Mixed · Course · 1 - 3 Months
Scrum Alliance
Skills you'll gain: Coaching, Employee Coaching, Organizational Change, Agile Project Management, Business Transformation, Organizational Strategy, Agile Methodology, Organizational Effectiveness, Organizational Leadership, Strategic Leadership, Culture Transformation, Business Leadership, Team Leadership, Cross-Functional Team Leadership, Cross-Functional Collaboration, Leadership, Leadership and Management, Team Management, Organizational Structure, Business Strategy
Beginner · Course · 1 - 3 Months