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: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Java, Test Automation, System Testing, Object Oriented Programming (OOP), Continuous Delivery, Test Script Development, Software Testing, Integration Testing, Build Tools, Browser Compatibility
Intermediate · Course · 3 - 6 Months

L&T EduTech
Skills you'll gain: Maintenance, Repair, and Facility Services, General Construction and Construction Labor, Product Lifecycle Management, Construction Engineering, Construction, Construction Management, Digital Analysis, Machine Controls, Plant Operations and Management, Facility Repair And Maintenance, Automation Engineering, Digital Transformation, Continuous Monitoring
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Functional Design, Memory Management, Software Documentation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Network Engineering, Firewall, Network Infrastructure, Amazon Web Services, Cloud Deployment
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Sales Presentations, Proposal Writing, Proposal Development, Business Writing, Presentations, Company, Product, and Service Knowledge, Business Strategy, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Collaborative Software, Journals, Organizational Skills, Productivity, Ability To Meet Deadlines, Document Management, Project Management, Personal Development, Query Languages
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud API, Natural Language Processing, Google Cloud Platform, Image Analysis, Cloud-Based Integration, Computer Vision, Network Analysis, Web Design
Advanced · Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Experimentation, Research Design, A/B Testing, Business Analysis, Analytical Skills, Needs Assessment, Statistical Methods, Root Cause Analysis, Research Methodologies, Business Analytics, Complex Problem Solving, Project Design, Statistical Inference, General Science and Research, Ideation, Analytics, Data Ethics, Prioritization, Project Planning
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Materials, Marketing Design, Presentations, Data Visualization, Content Creation, Graphic Design, Content Marketing, Social Media, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Responsible AI, Generative AI Agents, Prompt Engineering, Google Gemini, Generative AI, Google Cloud Platform, Gemini, Agentic Workflows, Prompt Engineering Tools, Generative Model Architectures, Google Workspace, Agentic systems, AI Product Strategy, Customer experience improvement, AI Enablement, Cloud Solutions, LLM Application, Cloud Computing, Artificial Intelligence, Collaboration
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Storage Technologies, Cloud Storage, Google Cloud Platform, Data Management, Cloud Management, Unix Shell
Beginner · Project · Less Than 2 Hours

AI CERTs
Skills you'll gain: Responsible AI, Agentic Workflows, Risking, Data Ethics, Generative AI Agents, AI Enablement, Agentic systems, AI literacy, Artificial Intelligence and Machine Learning (AI/ML), Power BI, AI Workflows, Decision Intelligence, Regulatory Compliance, Automation, Financial Data, Financial Regulation, Wealth Management, Generative AI, Finance, General Finance
Intermediate · Course · 1 - 3 Months