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.

Amazon Web Services
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Amazon Web Services, Wide Area Networks, Virtual Private Networks (VPN), Network Security, Hybrid Cloud Computing, Network Engineering, Cloud Computing Architecture, Network Infrastructure, General Networking, Cloud Infrastructure
★ 4.8 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Proposal Development, Account Strategy, Business Writing, Account Management, Customer Relationship Management (CRM) Software, Customer experience strategy (CX), Customer experience improvement, Sales Presentation, Customer Insights, Stakeholder Communications, Customer Acquisition Management, Stakeholder Engagement, Loyalty Programs, Customer Analysis, Microsoft Power Platform, Personalized Service, Gap Analysis, Requirements Analysis
Advanced · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Cryptography, Encryption, Network Security, Cybersecurity, Security Engineering, Network Protocols, Federated Learning, Security Management
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Thinking, UI Components, Software Design, Code Reusability, Usability, Event-Driven Programming, Maintainability, Integrated Development Environments, Application Design, Payment Systems, Interactive Design, MySQL, Jupyter, Database Application, Development Environment, Property Management Systems, Python Programming
★ 4.4 (17) · Beginner · Specialization · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Amazon Bedrock, AI Security, Retrieval-Augmented Generation, Docker (Software), Prompt Engineering, GitHub Copilot, Token Optimization, Agentic Workflows, AI Orchestration, LLM Application, Debugging, Serverless Computing, Software As A Service, Model Context Protocol, Amazon Web Services, Large Language Modeling, Rust (Programming Language), Code Review, Natural Language Processing, GitHub
Beginner · Specialization · 3 - 6 Months

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)
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animations, 3D Modeling, Computer Graphic Techniques, 3D Assets, Post-Production, Computer Graphics, Visualization (Computer Graphics), Graphical Tools, Motion Graphics, File Management, Graphics Software, Video Production
Mixed · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Model View Controller, Debugging, Responsive Web Design, User Interface (UI), HTML and CSS, Web Design and Development, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Design and Product, Web Design, Vibe coding, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Program Development, Generative AI
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, Application Programming Interface (API), API Gateway, Secure Coding, Cloud Development, Cloud Deployment, Database Development, Maintainability, Dataflow, Application Deployment, Server Side, Web Applications, Authentications, Authorization (Computing), Data Access
★ 4 (7) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Java Programming, PostgreSQL, Relational Databases, Java, Java Platform Enterprise Edition (J2EE), Database Development, Systems Development, Database Design, Databases, Application Design, Back-End Web Development, Web Applications, Business Logic, Secure Coding, Data Validation, Process Modeling, Payment Systems, Document Management, Authentications, Verification And Validation
★ 4.5 (21) · Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Large Language Modeling, LLM Application, Learning Strategies, Education Software and Technology, AI Personalization, AI literacy, Lifelong Learning, Human Learning, Adult Learning Principles, Student-Centred Learning, Generative AI, Critical Thinking, Goal Setting
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statement Analysis, Financial Statements, Management Accounting, Revenue Recognition, Forecasting, Financial Analysis, Cost Accounting, Budget Management, Inventory Accounting, Financial Accounting, Budgeting, Performance Measurement, Cost Management, Business Systems Analysis, Data Mining, Analytics, Enterprise Resource Planning, Systems Analysis, Financial Controls, Finance
★ 5 (13) · Beginner · Specialization · 3 - 6 Months