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: Usability, Content Management Systems, Content Management, Web Design, Web Content, User Interface (UI), HTML and CSS, Web Development, Web Components, Development Environment, Software Installation, Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Accounts Payable, Auditing, Accounting Systems, Audit Planning, Financial Auditing, Accounting Records, Auditors Report, Document Management, Transaction Processing, Verification And Validation, SAP Applications, Financial Controls, Compliance Auditing, Internal Controls, Fraud detection, Payment Systems
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Virtual Networking, Kubernetes, Cloud Computing Architecture, Network Architecture, Google Cloud Platform, Network Planning And Design, Network Troubleshooting, Cloud Infrastructure, Scalability, TCP/IP
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Application Design, Prompt Engineering, Large Language Modeling, Context Management, Software Design Patterns, Software Development, Python Programming
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Postman API Platform, Continuous Delivery, Web Services, API Design, Business Logic, Application Programming Interface (API), CI/CD, Software Testing, Test Execution Engine, Restful API, Interactive Data Visualization, Test Case, Server Side, Application Development, Web Applications, Automation, Debugging, Data Modeling, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: SAS (Software), Scripting, Debugging, Computational Logic, Statistical Programming, Automation, Data Processing, Data Manipulation, Maintainability
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Backlogs, Agile Methodology, Scrum (Software Development), User Story, Sprint Retrospectives, Sprint Planning, Agile Project Management, Team Oriented, Project Estimation, Estimation, Cross-Functional Collaboration
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, Data Structures, Jupyter, Python Programming, Programming Principles, Object Oriented Programming (OOP), File I/O, Computational Logic, Package and Software Management, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Image Analysis, Real Time Data, Python Programming, Development Environment, NumPy, Debugging, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, User Interface (UI), Mobile Development, Swift Programming, Unit Testing, User Interface (UI) Design, UI Components, Mobile Development Tools, Objective-C (Programming Language), Application Development, Data Structures, Programming Principles, Development Testing, Object Oriented Programming (OOP), Integrated Development Environments, Development Environment, Prototyping, Storyboarding
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Kanban Principles, Agile Methodology, Scrum (Software Development), Continuous Integration, Agile Software Development, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Risk Management, Agile Product Development, Management Reporting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Supplier Performance Management, Vendor Contracts, Supplier Relationship Management, Risk Analysis, Root Cause Analysis, Contract Management, Contract Compliance, Corrective and Preventive Action (CAPA), Strategic Sourcing, Continuous Improvement Process, Risk Management, Procurement, Service Level Agreement, Performance Analysis, Generative AI Agents, Key Performance Indicators (KPIs), Prompt Engineering
Intermediate · Course · 1 - 3 Months