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.

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Continuous Integration, Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Debugging, SQL, Microsoft Copilot, .NET Framework, Relational Databases, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months

Meta
Skills you'll gain: Restful API, API Testing, Django (Web Framework), API Design, Software Documentation, Application Programming Interface (API), Authentications, Authorization (Computing), Debugging, JSON, Performance Tuning, Data Validation, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Leadership Development, Leadership, Professional Development, Leadership and Management, Conflict Management, Strategic Leadership, Communication, Collaboration, Communication Strategies, People Management, Interpersonal Communications, Business Communication, Emotional Intelligence, Team Management, Corporate Communications, Strategic Communication, Self-Awareness, Relationship Building, Business Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cybersecurity, Cyber Security Strategy, Data Security, Cyber Threat Intelligence, Computer Security Awareness Training, Zero Trust Network Access, Information Systems Security, Security Awareness, Security Engineering, Threat Detection, Human Factors (Security), Cultural Sensitivity, Security Controls, Incident Response, Proactivity, Fraud detection, Information Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, AI Workflows, LangChain, Generative AI Agents, CrewAI, Statistical Methods, Statistical Analysis, Data Transformation, Agentic systems, Statistical Inference, Business Intelligence, Performance Testing, Key Performance Indicators (KPIs), Data-Driven Decision-Making, Performance Metric, Descriptive Analytics, Business Metrics, Data Analysis, Correlation Analysis, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Hybrid Cloud Computing, Telecommunications, Collaboration, Dynamic Host Configuration Protocol (DHCP), Wide Area Networks, User Provisioning, Virtual Private Networks (VPN), Network Support, Cloud Deployment, Cloud-Based Integration, Firewall, Network Performance Management, Network Administration, Session Initiation Protocols, System Configuration, Network Monitoring, Identity and Access Management, Administration, Product Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Sarbanes Oxley Act (SOX) Compliance, Specialized Accounting, Regulatory Requirements, Financial Regulations, Technical Accounting, Financial Reporting, Financial Statement Analysis, Financial Auditing, Securities (Finance), Investment Management, Financial Analysis, Business Risk Management, Asset Management, Organizational Structure, Consolidation
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Electrical Safety, Electrical Systems, High Voltage, Simulations, Electronic Components, Safety Standards, Estimation, Control Systems, Basic Electrical Systems, Thermal Management, Mathematical Modeling, Power Electronics, Electrical Power, Failure Analysis, Probability, Electrical Engineering, Energy and Utilities, Model Evaluation, Simulation and Simulation Software, Machine Learning Methods
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Clinical Leadership, Nursing Management, Nursing Administration, Teamwork, Leadership, Nursing Practices, Collaboration, Patient Safety, Initiative and Leadership, Care Coordination, Trustworthiness, Mentorship, Ethical Standards And Conduct, Adaptability, Decision Making, Communication Strategies, Accountability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Prompt Engineering, Microsoft Copilot, AI Workflows, AI Enablement, Generative AI Agents, Model Deployment, No-Code Development, Performance Tuning, Business Logic, Application Deployment, Scalability, Data Integration, User Feedback
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Microsoft PowerPoint, Data Storytelling, Microsoft Excel, Trend Analysis
Intermediate · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Substance Abuse, Mental Health, Neurology, Mathematical Modeling, Patient Safety, Physiology, Cardiology, Accident Prevention, Public Health, Pharmacology, Public Health and Disease Prevention, Biology
Beginner · Course · 1 - 3 Months