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.

Fortinet, Inc.
Skills you'll gain: Firewall, Virtual Private Networks (VPN), Network Troubleshooting, Network Routing, Network Security, Intrusion Detection and Prevention, Authentications, Network Monitoring, Event Monitoring, Lightweight Directory Access Protocols, Network Administration, Security Information and Event Management (SIEM), Security Engineering, Network Performance Management, Enterprise Security, Application Security, Network Infrastructure, Cybersecurity, Computer Security, Cyber Security Strategy
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, AI Orchestration, Agentic systems, Development Environment, AI Enablement, Model Evaluation, OpenAI, Scalability, Programming Principles, Application Design, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Survey Creation, Sampling (Statistics), Quantitative Research, Research Methodologies, Data Analysis, Data Quality, Research Design, Model Evaluation, Data Transformation, Statistical Analysis, Data Modeling, Statistical Methods
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Cyber Risk, Federal Information Security Management Act, NIST 800-53, Systems Development Life Cycle, Cybersecurity, Security Management, Cyber Governance, Cyber Security Strategy, Risk Management, Security Controls, Infrastructure Security, Cyber Security Assessment, Vulnerability Assessments, Authorization (Computing), Security Requirements Analysis, Continuous Monitoring, Cyber Security Policies, Information Assurance, Information Systems Security
Beginner · Specialization · 3 - 6 Months
University of Colorado Boulder
Skills you'll gain: Google Ads, Online Advertising, Digital Advertising, Contextual Advertising, Paid media, Advertising, Advertising Campaigns, Media Planning, Target Audience, Social Media Campaigns, Content Strategy, Business Ethics
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Research Methodologies, Social Sciences, Research Design, Research, Scientific Methods, Surveys, Experimentation, Data Collection, Sample Size Determination, Probability & Statistics
Mixed · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Programmable Logic Controllers, Control Systems, Machine Controls, Manufacturing Processes, Process Control, Manufacturing Operations, Manufacturing and Production, Automation, Industrial Engineering, Digital Transformation, Systems Architecture, Digital Signal Processing, Software Systems, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Network Architecture, Virtual Networking, Wide Area Networks, Network Protocols, General Networking, Network Routers, Network Troubleshooting, Linux, Virtualization, Kubernetes, Load Balancing, Data Centers, Network Switches, Terraform
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Animation and Game Design, Computational Thinking, Animations, Programming Principles, Computer Programming, Dataflow, Storytelling, Game Design, Storyboarding, Scripting, Solution Design, Program Development, Event-Driven Programming, Coordination
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Goal Setting, Teamwork, Active Listening, Problem Solving, Emotional Intelligence, Collaboration, Smart Goals, Strategic Prioritization, Growth Mindedness, Prioritization, Productivity, Personal Integrity, Workplace Bullying Intervention, Compliance Management, Information Privacy, Security Controls, Accountability, Communication, Diversity Awareness, Diversity and Inclusion
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Collaborative Software, Digital pedagogy, Education Software and Technology, Instructional Design, Planning, Virtual Environment, Collaboration, System Configuration, Safety and Security, Information Privacy
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Model Deployment, Microsoft Azure, Python Programming, Machine Learning, Machine Learning Algorithms, Data Science, Image Analysis, Computer Vision, Natural Language Processing, Application Programming Interface (API)
Advanced · Course · 1 - 3 Months