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.

National Taiwan University
Skills you'll gain: Plot (Graphics), Web Scraping, Machine Learning, Machine Learning Algorithms, User Interface (UI), Operational Analysis, Business Analytics, Python Programming, Programming Principles, User Interface (UI) Design, Computational Thinking, UI Components, Object Oriented Programming (OOP), Numerical Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Visual Storytelling, Content Performance Analysis, Photo/Video Production and Technology, Social Media, Photography, Photo Editing, Branding, Social Media Campaigns, Performance Analysis, Driving engagement, Social Media Analytics, Drive Engagement, Content Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Cloud Development, Microsoft Azure, Serverless Computing, Software Development, Cloud Security, Virtual Machines, Data Store, Data Storage, Continuous Deployment, Development Environment, Cloud Storage, Cloud Management, Application Deployment, Cloud Applications, Virtualization and Virtual Machines, Data Security, Microsoft Power Automate/Flow, Event-Driven Programming, C# (Programming Language)
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Verification And Validation, Theoretical Computer Science, System Testing, Embedded Software, Software Systems, Communication Systems, Systems Design, System Design and Implementation, Embedded Systems, Automation, Process Modeling, Behavioral Management, System Configuration, Markov Model
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AutoCAD, Architectural Drawing, Drafting and Engineering Design, Blueprinting, Technical Drawing, Computer-Aided Design, Plot (Graphics)
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Restful API, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, API Design, Application Programming Interface (API), Hibernate (Java), Data Validation, Development Testing, Verification And Validation, Authentications, Model View Controller, Back-End Web Development, Code Reusability, Object-Relational Mapping, Server Side, Programming Principles
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Object Oriented Programming (OOP), Web Design and Development, Application Frameworks, Frontend Integration, Programming Principles, API Design, Middleware, Back-End Web Development, Object-Relational Mapping, Model View Controller, Event-Driven Programming, User Interface (UI), Cascading Style Sheets (CSS), Maintainability, Code Reusability
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Management, Database Software, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
Intermediate · Guided Project · Less Than 2 Hours

ESSEC Business School
Skills you'll gain: Meeting Facilitation, Collaboration, Organizational Skills, Cooperation, Discussion Facilitation, Team Building, Drive Engagement, Teamwork, Innovation, Conflict Management, Knowledge Transfer, Decision Making
Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Discussion Facilitation, English Language, Social Skills, Communication Strategies, Constructive Feedback, Active Listening, Oral Comprehension, Verbal Communication Skills, Language Competency, Interpersonal Communications, Collaboration, Critical Thinking, Analytical Skills, Vocabulary
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: C# (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Microsoft Visual Studio, Object Oriented Programming (OOP), Extensible Markup Language (XML), Extensible Languages and XML, Object Oriented Design, .NET Framework, Java, Programming Principles, Data Access, Database Management, User Interface (UI), Algorithms, UI Components, Event-Driven Programming, Computer Graphics, Program Development
Intermediate · Course · 3 - 6 Months

Skills you'll gain: IntelliJ IDEA, Software Design, Object Oriented Programming (OOP), Apache Maven, Object Oriented Design, Integrated Development Environments, Software Development Tools, Build Tools, Version Control, Software Architecture, Git (Version Control System), GitHub, Data Import/Export, Development Environment, Java, Program Development, Kotlin, Debugging, Java Programming, Software Installation
Intermediate · Specialization · 1 - 3 Months