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.
University of Glasgow
Skills you'll gain: Computational Thinking, JSON, Application Deployment, Data Structures, Javascript, Application Development, Analytics, HTML and CSS, Data Analysis, Code Review, Software Development, Data Visualization Software, Web Development, Web Applications, Scripting, Prototyping, Data Processing, Programming Principles, Unsupervised Learning, Computer Programming
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Virtual Networking, Network Administration, Wide Area Networks, Hardening, Virtual Private Networks (VPN), Network Infrastructure, Network Routing, Network Monitoring, Private Cloud
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Marketing Materials, Verbal Communication Skills, Presentations, Marketing, Persuasive Communication, Advertising, Marketing Communications, Business Writing, Influencing, Business Marketing, Graphic Design, Sales, Business Communication, Data Visualization, Market Research, Brainstorming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), OAuth, Back-End Web Development, Eclipse (Software)
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Amazon Redshift, Amazon DynamoDB, Cloud Infrastructure, Cloud Storage, Cloud Deployment, Cloud Computing Architecture, Databases, Virtual Networking, Servers, Database Management, Network Infrastructure, Cloud Security, General Networking, Data Storage Technologies, Relational Databases, Network Administration, Data Migration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, Database Design, Database Development, Database Systems, Relational Databases, Database Management, SQL, Data Manipulation, Data Analysis, Data Science
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Computational Logic, System Requirements, Functional Requirement, Theoretical Computer Science, Systems Analysis, Verification And Validation, Control Systems, Linear Algebra, Differential Equations, Applied Mathematics
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Work Breakdown Structure, Agile Methodology, Agile Project Management, Project Documentation, Quality Management, Project Management Life Cycle, Project Management, Kanban Principles, Waterfall Methodology, Project Planning, Earned Value Management, Project Schedules, Scaled Agile Framework, Organizational Structure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, UI Components, User Interface (UI) Design, Web Design, User Interface and User Experience (UI/UX) Design, Figma (Design Software), Performance Tuning, Prototyping, Design, Style Guides
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Wireframing, User Flows, Web Design, Prototyping, User Interface (UI), Mockups, Information Architecture, User Interface and User Experience (UI/UX) Design, Web Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Unity Engine, Torque (Physics), Game Design, Video Game Development, Mechanics, Simulations, Mathematical Modeling, Physics, Engineering Calculations, Scripting, C# (Programming Language), Linear Algebra, Applied Mathematics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Barcoding, Layout Design, Graphic Design, Marketing Collateral, Color Theory, Typography, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours