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.

Board Infinity
Skills you'll gain: Angular, Responsive Web Design, Front-End Web Development, React.js, HTML and CSS, UI Components, Web Design and Development, JavaScript Frameworks, Web Development, TypeScript, Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: .NET Framework, Performance Tuning, Debugging, Performance Testing, C# (Programming Language), Data-oriented programming, Application Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Algorithms, Pseudocode, Javascript, Data Structures, Computational Thinking, Performance Tuning, Computer Programming, Solution Design, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Cloud Management, Application Deployment, Databases, SQL, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management, Data Transformation, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computer Hardware, Hardware Architecture, Peripheral Devices, Networking Hardware, USB, Desktop Support, Computer Networking, Computer Architecture, Data Storage Technologies, Electrical Safety
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Application Programming Interface (API), Restful API, Postman API Platform, Flask (Web Framework), MySQL, Databases, Software Versioning, Software Development, Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Ajax, Content Management Systems, Web Development, PHP (Scripting Language), Database Development, MySQL, Javascript and jQuery, Database Management, Cascading Style Sheets (CSS), User Accounts
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Data Pipelines, Apache Spark, Dashboard, Data Processing, Real Time Data, Data Visualization, Natural Language Processing, Distributed Computing, Data Transformation, Deep Learning, Performance Tuning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: LangGraph, AI Orchestration, LangChain, LLM Application, Agentic Workflows, Generative AI Agents, MLOps (Machine Learning Operations), Context Management, Distributed Computing, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Wireless Networks, Network Architecture, General Networking, Interoperability, Telecommunications, Emerging Technologies, Automation, Cloud Deployment, Strategic Thinking, Vendor Management, Cost Reduction, Innovation, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Application Security, Embedded Systems, DevSecOps, Secure Coding, Internet Of Things, Application Deployment, Systems Design, User Interface and User Experience (UI/UX) Design, Cybersecurity, Security Engineering, Systems Architecture, IT Security Architecture, Development Environment, Cyber Security Strategy, Design Strategies, Software Architecture, Functional Testing, Software Testing, Open Source Technology
Beginner · Course · 3 - 6 Months

Skills you'll gain: Unity Engine, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Augmented and Virtual Reality (AR/VR), Animations, Video Game Development, Performance Tuning, Image Quality, Debugging
Mixed · Course · 1 - 3 Months