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: Unit Testing, Go (Programming Language), Restful API, Authentications, Application Programming Interface (API), Secure Coding, API Design, Application Security, Software Testing, Microservices, Authorization (Computing), Database Development, Web Servers, Server Side, Databases, Software Architecture, JSON, Role-Based Access Control (RBAC), Maintainability, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Adobe InDesign, Layout Design, Graphic Design, Graphic and Visual Design, Adobe Creative Cloud, Document Management, Graphic and Visual Design Software, Typography, Style Guides, Design Elements And Principles, Productivity Software, User Interface (UI), Color Theory
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, React.js, Webpack, Angular, Web Development Tools, JavaScript Frameworks, Debugging, Web Applications, Vue.JS, Object Oriented Programming (OOP), JSON
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Systems Engineering, Requirements Analysis, Requirements Elicitation, Systems Development Life Cycle, Configuration Management, Engineering Management, Waterfall Methodology, Systems Analysis, Project Management, Risk Management, Systems Architecture, System Requirements, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, Application Design, Debugging
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Web Design and Development, Web Development, Cloud Deployment, Web Development Tools, Application Deployment, Cloud Hosting, Web Content, Rust (Programming Language), Content Management, Cloud Computing, Linux, Software Installation
Beginner · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Experimentation, Research Design, A/B Testing, Business Analysis, Analytical Skills, Process Mapping, Statistical Methods, Research Methodologies, Business Research, Complex Problem Solving, Project Design, Statistical Inference, Data Ethics, Prioritization, Project Planning
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Systems Development, Database Application, Web Applications, Scrum (Software Development)
Beginner · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: AI Product Strategy, Generative AI, Brand Strategy, Content Creation, Brand Awareness, Social Media Content, Media Production, Storytelling, Marketing Communications, Business Communication, Digital Design, Creative Thinking, Influencing, Media and Communications, Business Ethics, Creative Problem-Solving, Customer Engagement, Business Transformation, Entrepreneurship, Digital Marketing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Sales Presentations, Proposal Writing, Business Writing, Presentations, Company, Product, and Service Knowledge, Content Creation, Business Strategy, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Data Migration, Data Integration, Enterprise Architecture, Data Management, Data Infrastructure, Data Pipelines, Data Integrity, Data Storage
Advanced · Course · 1 - 3 Months

Skills you'll gain: Facebook, Pay Per Click Advertising, Campaign Management, Digital Advertising, Advertising Campaigns, Online Advertising, Advertising, Social Media, Social Media Campaigns, Social Media Marketing, Performance marketing, Content Performance Analysis, Target Audience, Lead Generation, A/B Testing, Bidding, Budget Management, Customer Engagement
Beginner · Course · 1 - 3 Months