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: C# (Programming Language), Data Modeling, User Interface (UI), jQuery, Microsoft SQL Servers, Microsoft Visual Studio, Application Development, User Interface and User Experience (UI/UX) Design, Data Validation, Application Design, Database Application, Business Reporting, Data Management, SQL, .NET Framework, Data Structures, Javascript and jQuery, Programming Principles, Web Development, Maintainability
Beginner · Specialization · 1 - 3 Months

Skillshare
Skills you'll gain: Web Components, LESS, Web Development, Semantic Web, Web Content Accessibility Guidelines, Scalability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Content Strategy, Content Development and Management, Web Content, No-Code Development, Marketing Collateral, Web Design, Driving engagement, Web Development, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, Object Oriented Programming (OOP), Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Software Testing, Debugging, Integration Testing, Software Design, System Design and Implementation, Distributed Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Oracle SQL Developer, Oracle Databases, Database Design, Data Manipulation, SQL, Relational Databases, Database Management Systems, Databases, Case Studies, Pivot Tables And Charts, Data Analysis, Data Integration, Data Structures
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: White-Box Testing, Test Planning, Test Case, Software Testing, Debugging, Functional Testing, Software Documentation, Software Quality Assurance, Development Testing, Test Data, Issue Tracking, Software Technical Review, Quality Assurance, Development Environment, Technical Communication
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Virtual Machines, Verification And Validation, Program Development, Data Preprocessing, Python Programming, Debugging, Maintainability, Programming Principles, Application Development, Scripting, Scripting Languages, Computer Programming, Software Installation, Development Environment, Software Development, Computer Programming Tools, Functional Design, Cross Platform Development
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Tool Calling, LLM Application, JSON, Large Language Modeling, Model Deployment, Artificial Intelligence
Beginner · Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Programming Principles, Computer Programming, Python Programming, Scripting, Scripting Languages, Software Development
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Innovation, Education and Training, Leadership, Community Development, Empowerment, Teaching, Adult Education, Collaboration, Family Support, Professional Development, Working With Children, Relationship Building, Network Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Cloud Hosting, Web Development, Cloud Deployment, Responsive Web Design, Web Design, Web Content, Application Deployment, Typography, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Presentations, Sales Presentation, Marketing Design, Target Market, Marketing Collateral, Graphic and Visual Design, Marketing, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours