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: Cloud Computing Architecture, Google Cloud Platform, Looker (Software), Load Balancing, Dataflow, Kubernetes, Network Architecture, Data Migration, Data Infrastructure, Network Troubleshooting, Cloud Security, Network Monitoring, Cloud Applications, Virtual Networking, Cloud Storage, Cloud Infrastructure, Cloud Computing, Infrastructure as Code (IaC), Scalability, Key Management
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Instagram, Email Marketing, Email Automation, Lead Generation, Marketing Automation, Google Sheets, Social Media, Social Media Marketing, Digital Marketing, Gmail
Beginner · Guided Project · Less Than 2 Hours
Starweaver
Skills you'll gain: Endpoint Detection and Response, Threat Detection, MITRE ATT&CK Framework, Cyber Threat Hunting, Cyber Threat Intelligence, Intrusion Detection and Prevention, Threat Modeling, Security Information and Event Management (SIEM), Cyber Security Strategy, Cyber Operations, Cybersecurity, Malware Protection, Incident Response, Data Loss Prevention, Anomaly Detection, Data Security, System Implementation, Open Source Technology
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, System Design and Implementation, Unified Modeling Language, Performance Metric, Performance Measurement, Requirements Analysis, Performance Analysis, Model Evaluation, Prototyping, Stakeholder Communications, Simulation and Simulation Software, Benchmarking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics, Supplier Management, E-Commerce, WordPress, No-Code Development, Search Engine Optimization, Blogs, Web Design, Web Development, Content Management Systems, Order Management, Web Design and Development, Shipping and Receiving, Web Frameworks, Web Development Tools
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Responsible AI, Data Storytelling, AI Workflows, Data Presentation, AI Enablement, Predictive Modeling, Decision Support Systems, Strategic Decision-Making, Data-Driven Decision-Making, Business Intelligence, Decision Making, Business Analytics, Agentic systems, MLOps (Machine Learning Operations), Forecasting, Predictive Analytics, Scikit Learn (Machine Learning Library), Machine Learning, Data Security, Text Mining
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Design Thinking, Technical Product Management, Product Management, Product Lifecycle Management, Agile Methodology, Product Development, Go To Market Strategy, New Product Development, Data Visualization Software, Market Analysis, Target Market, Competitive Analysis, Data Analysis, Microsoft Excel, Cross-Functional Collaboration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Data Sharing, Digital Design, Developing Training Materials, Content Creation, Digital Publishing, Graphic Design, Design, Graphic and Visual Design, Data Loss Prevention, Teaching
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Containerization, Microservices, Authentications, OAuth, Application Deployment, Integration Testing, Event-Driven Programming, Data Migration, Application Programming Interface (API), Software Architecture, Software Design Patterns, Scalability, Systems Integration
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Culture Transformation, Innovation, Organizational Change, Business Transformation, Strategic Leadership, Strategic Planning, Business Communication, Change Management, Organizational Leadership, Organizational Structure, Business Planning, Competitive Analysis, Business Writing, Leadership, Business Analysis, Business Strategy, Presentations, Financial Analysis, Project Planning, Financial Planning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon S3, Cloud Storage, Amazon Web Services, Data Storage Technologies, Data Storage, Disaster Recovery, Data Maintenance
Beginner · Course · 1 - 4 Weeks

Universidad Nacional de Colombia
Skills you'll gain: Computational Thinking, Computer Programming, Scripting, Logical Reasoning
Intermediate · Course · 1 - 3 Months