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.

Universitat Politècnica de València
Skills you'll gain: Computational Thinking, Programming Principles, Web Development, Code Reusability, Database Management, Object Oriented Programming (OOP), Computational Logic, Information Technology, Information Systems, Maintainability, Relational Databases, Computer Programming, Extensible Markup Language (XML), Algorithms, Other Programming Languages, SQL, Hypertext Markup Language (HTML), Data Structures, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Development, Javascript, Web Design, JavaScript Frameworks, Web Development Tools, Frontend Performance, Web Servers, Web Design and Development, Web Content, Web Analytics and SEO, Hypertext Markup Language (HTML), Web Applications, Front-End Web Development, Event-Driven Programming, Web Content Accessibility Guidelines, Software Development, Open Source Technology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Wide Area Networks, Software-Defined Networking, Open Shortest Path First (OSPF), Network Routing, Network Planning And Design, Virtual Networking, Virtual Private Networks (VPN), Network Architecture, Border Gateway Protocol, Network Performance Management, Network Protocols, Cyber Security Policies, Configuration Management
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Application Design, Data Visualization, Google Workspace, Geospatial Mapping, Google Cloud Platform, Data Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Sample Size Determination, Data Strategy, Sampling (Statistics), Analytical Skills, Data-Driven Decision-Making, Data Analysis, Analytics, Jupyter, Data Science, Statistical Analysis, Data Collection, Data Mining, Data Management, MLOps (Machine Learning Operations), Maintainability, Research and Design, Version Control, Software Documentation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Modeling, Presentations, Collaborative Software, Entrepreneurship, Brainstorming, Value Propositions, Design Thinking, Graphic Design, Customer Analysis, Revenue Management
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Logo Design, Digital Brand Strategy, Graphic and Visual Design Software, Digital Design, Graphic and Visual Design, Graphic Design, Graphics Software, Brand Awareness, Digital Publishing, Collaborative Software, Marketing, Creative Design, Editing
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Data Import/Export, Extract, Transform, Load, Google Cloud Platform, Data Warehousing, Database Design, Data Analysis
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Image Analysis, Tensorflow, Computer Vision, Convolutional Neural Networks, Deep Learning, Machine Learning Software, Model Optimization, Machine Learning, Model Training, Artificial Neural Networks, Performance Tuning, Feature Engineering
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: JavaScript Frameworks, Frontend Integration, Angular, Cloud Deployment, Amazon Elastic Compute Cloud, Web Applications, Code Reusability, Server Side, Test Script Development, Unit Testing, Development Testing, Object-Relational Mapping, Maintainability, Package and Software Management, Data Modeling
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Teradata SQL, Stored Procedure, Performance Tuning, Database Management, Extract, Transform, Load, Solution Design, Data Import/Export, Query Languages, System Implementation, Solution Architecture, Data Manipulation, Data Processing, Data Integration, Technology Strategies, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks