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.

Peking University
Skills you'll gain: Data Structures, Algorithms, C++ (Programming Language), Object Oriented Programming (OOP), C (Programming Language), File I/O, Graph Theory, Pseudocode, Computational Thinking, Programming Principles, Data Storage, Computer Programming, Computer Architecture, Program Development, Application Development, Computer Science, Software Design, Query Languages, Theoretical Computer Science, Software Engineering
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Content Management Systems, Web Analytics, Search Engine Optimization, Web Design, Retail Management, Order Management, E-Commerce, Marketing Strategies, Blogs, Customer Relationship Management (CRM) Software, Content Creation, Dashboard, Email Marketing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Backlogs, Business Workflow Analysis, Issue Tracking, Project Controls, Project Performance, Root Cause Analysis, Performance Metric, Data-Driven Decision-Making, Automation, Process Analysis, Process Design, Performance Measurement, Automation Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Business Process Modeling, Process Analysis, Business Process Improvement, Process Design, Business Process Management, Process Improvement, Lean Methodologies, Systems Thinking, Lean Six Sigma, Change Management, Quality Improvement, Process Flow Diagrams, Six Sigma Methodology, Stakeholder Analysis, Agile Methodology, Matrix Management, Dataflow, Prioritization, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, OpenAI API, LangGraph, AI Workflows, Large Language Modeling, AI Orchestration, Responsible AI, Generative AI, Agentic systems, Prompt Engineering, Generative AI Agents, Natural Language Processing, Cloud Development, Application Programming Interface (API), Python Programming, Application Deployment, Data Processing, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Modeling, Database Design, Extract, Transform, Load, Data Warehousing, Data Pipelines, Business Intelligence, Data Mart, Database Management, Data Management, Process Optimization, Data Quality, Data Transformation, Performance Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Technical Documentation, Technical Writing, Software Documentation, Technical Communication, Software Design Documents, Information Architecture, Writing, User Requirements Documents, Software Development Tools, Automation, Style Guides, Software Development, Agile Software Development, Interactive Design, Project Management Software, Diagram Design, Generative AI
Beginner · Course · 1 - 3 Months

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

Advancing Women in Tech
Skills you'll gain: Product Roadmaps, Product Management, Customer Retention, Cross-Functional Team Leadership, Technical Product Management, Professional Networking, Financial Analysis, Product Strategy, Product Requirements, Engineering Management, Product Development, Product Lifecycle Management, New Product Development, Innovation, Team Leadership, Artificial Intelligence and Machine Learning (AI/ML), User Experience Design, Design, Performance Management, Interviewing Skills
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Unreal Engine, C++ (Programming Language), Video Game Development, Game Design, Program Development, Object Oriented Programming (OOP), Software Design Patterns, Object Oriented Design, Programming Principles, Debugging
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Threat Modeling, Security Engineering, Security Requirements Analysis, Threat Management, Data Flow Diagrams (DFDs), Threat Detection, Data Security, Key Management, Risk Analysis, Technical Documentation, Cloud Services, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Large Language Modeling, Amazon CloudWatch, AWS CloudFormation, Amazon DynamoDB, Software Development Life Cycle, CI/CD, Amazon Web Services, Professional Networking, Prompt Engineering, Cloud Computing, Generative AI, Extract, Transform, Load, Software Architecture, Cloud Computing Architecture, Cloud Management, Data Management, Problem Solving, Teamwork
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months