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: API Design, Restful API, Application Programming Interface (API), Test Automation, Postman API Platform, Data Mapping, Application Deployment, Test Tools, Scripting, Cloud Deployment, Salesforce, Robotic Process Automation, Business Process Automation, Software Testing, Data Integration, API Testing, Simple Object Access Protocol (SOAP), Architectural Design, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 3 - 6 Months

L&T EduTech
Skills you'll gain: Electric Power Systems, Electrical Power, Electrical Systems, Network Model, Energy and Utilities, Engineering Analysis, Systems Analysis, Electrical Engineering, Network Analysis, Numerical Analysis, Engineering Calculations, Mathematical Modeling, Simulation and Simulation Software, Simulations, Graph Theory
★ 4 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Layout Design, Computer Graphic Techniques, Autodesk
★ 5 (23) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Meta Ads Manager, Digital Advertising, Online Advertising, Campaign Management, Advertising, Advertising Campaigns, Marketing, Budget Management, Target Audience
Beginner · Guided Project · Less Than 2 Hours

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

Board Infinity
Skills you'll gain: Application Programming Interface (API), API Gateway, GraphQL, API Design, Restful API, OAuth, Software Documentation, Authentications, Debugging, Real Time Data, Authorization (Computing), Version Control
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: UI Components, Interactive Design, User Interface (UI), User Interface (UI) Design, Event-Driven Programming, Application Design, Development Environment, Application Development, Application Frameworks, Software Installation
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Feature Engineering, Model Optimization, AWS Kinesis, Fraud detection, Amazon Web Services, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Data Cleansing, Data Processing, Data Wrangling, Data Integrity, Machine Learning, Machine Learning Algorithms, Data Modeling, Supervised Learning, Data Mining, Random Forest Algorithm, Data Management, Unsupervised Learning
★ 3.9 (10) · Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Ideation, Creativity, Professional Development, Teamwork, Team Building, Creative Thinking, Brainstorming, Team Collaboration, Collaboration, Innovation, Social Impact, Cognitive flexibility, Drive Engagement, Open Mindset, Influencing, Communication, Communication Strategies, Decision Making, Overcoming Obstacles
★ 4.6 (19) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Computing Architecture, Cloud Solutions, Google Cloud Platform, Cloud Computing, Cloud Infrastructure, Solution Architecture, Cloud Services, Systems Analysis, Business Systems Analysis, Solution Design, Cloud Platforms, Cloud Deployment, Cloud Security
★ 4.7 (11) · Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Web Components, Cascading Style Sheets (CSS), HTML and CSS, Angular, Hypertext Markup Language (HTML), Responsive Web Design, Frontend Performance, Front-End Web Development, Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, Web Design, Web Design and Development, React.js, UI Components, Frontend Integration, Web Analytics and SEO, JavaScript Frameworks, Web Development, Semantic Web, Web Applications
Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Memory Management, Code Reusability, Programming Principles, Integrated Development Environments, Web Development, System Programming, Maintainability
★ 3.6 (18) · Beginner · Course · 1 - 4 Weeks