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.

Johns Hopkins University
Skills you'll gain: Architectural Design, Sustainable Development, Building Codes, Community Development, Land Development, Sustainable Architecture, Building Design, Sustainable Design, Sustainable Technologies, Construction, Climate Change Mitigation, Disabilities, Traffic Flow Optimization, Environmental Policy, Environmental Engineering, Policy Analysis, Case Studies
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Ledgers (Accounting), Financial Inclusion, FinTech, Emerging Technologies, Cryptography, Payment Systems, Digital Assets, Stakeholder Analysis, Distributed Computing, Program Implementation, Public Key Cryptography Standards (PKCS), Information Privacy, Governance, Network Security, Data Integrity, Financial Services
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Stress Management, Mindfulness, Personal Development, Mental Concentration, Emotional Intelligence, Self-Awareness, Collaboration, Resilience, Communication, Productivity, Professional Development, Organizational Development, Leadership Studies
Beginner · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Event-Driven Programming, Application Development, Interactive Design, Animations, Programming Principles, Computer Graphics, Python Programming, Game Design, Computer Programming
Mixed · Course · 1 - 3 Months

Skills you'll gain: Healthcare 5.0, Artificial Intelligence, AI Enablement, Jupyter, Healthcare Ethics, Health Informatics, Healthcare Industry Knowledge, LLM Application, Machine Learning, Deep Learning, Machine Learning Software, MLOps (Machine Learning Operations), Generative Model Architectures, Statistical Machine Learning, AI Product Strategy, Model Evaluation, Predictive Modeling, Data-Driven Decision-Making, Data Processing, Data Analysis
Intermediate · Specialization · 1 - 3 Months

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, Vector Databases
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Collaborative Software, System Design and Implementation, Interoperability, Coordination, Communication Systems, Network Protocols, Workflow Management, Case Studies, Scalability
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Containerization, LangChain, Microservices, Application Deployment, Cloud Deployment, Docker (Software), Kubernetes, LLM Application, Large Language Modeling, MLOps (Machine Learning Operations), Prometheus (Software), API Design, Scalability, System Monitoring, Performance Testing, Grafana
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Governance Risk Management and Compliance, Compliance Management, Responsible AI, Risk Control, Risk Management, AI Security, Model Evaluation, Risk Mitigation, Governance, Compliance Auditing, Risk Analysis, Regulatory Requirements, Process Validation, Gap Analysis, Verification And Validation, Data Validation, Auditing, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 4 Weeks
University of Alberta
Skills you'll gain: Requirements Analysis, Requirements Elicitation, Requirements Management, Functional Requirement, Business Requirements, Product Requirements, Backlogs, User Requirements Documents, Scope Management, Change Control, User Story, System Requirements, Client Services, Acceptance Testing, Agile Software Development, Prioritization
Mixed · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, PL/SQL, Database Design, Database Theory, Database Management Systems, Relational Databases, Database Management, Databases, Database Architecture and Administration, Data Storage, Transaction Processing, Stored Procedure, Data Management, Query Languages, Network Architecture, Diagram Design, Command-Line Interface, Data Modeling
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Generative AI, Responsible AI, Accounts Payable and Receivable, Prompt Engineering Tools, Data Ethics, Accounting and Finance Software, Financial Data, Make.com, Data Governance, Workflow Management, Miro AI, Financial Forecasting, Financial Management, Credit Risk, Financial Analysis, Artificial Intelligence, No-Code Development, Budgeting, Forecasting
Intermediate · Specialization · 1 - 3 Months