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: Open Web Application Security Project (OWASP), Vulnerability Assessments, Application Security, Vulnerability Management, Secure Coding, Hardening, Security Controls, Cybersecurity, Authorization (Computing), Cryptography, System Configuration, Encryption
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Markup Language (XML), Network Protocols, YAML, Automation, Network Engineering, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Sustainable Architecture, Construction Management, Energy and Utilities, Sustainable Technologies, Facility Management, Sustainable Engineering, Building Information Modeling, Stormwater Management, Sustainability Standards, Decision Making, Environmental Engineering, Stakeholder Management, HVAC, Project Management, Waste Minimization, Risk Analysis
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Employee Onboarding, Relationship Building, Strategic Planning, Planning, Recognizing Others, Team Oriented, Goal Setting, Expectation Management, Adaptability, Communication, Business Writing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Customer Relationship Management (CRM) Software, Customer Relationship Management, Customer experience strategy (CX), Customer Success Management, Customer Acquisition Management, Customer Analysis, Customer Data Management, Brand Loyalty, Customer Retention, Customer Relationship Building, Customer Engagement, Organizational Strategy, Marketing Automation, Case Studies, Value Propositions, Market Analysis, Portfolio Management, Analysis, Business Strategy, Competitive Analysis
Beginner · Specialization · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Mitigation, Water Resources, Environment, Climate Change Adaptation, Hydrology, Sustainable Development, Interactive Learning, Health Education, Energy and Utilities, Environmental Science, Land Management, Community Development, Teaching, Education and Training, Student Engagement, Instructional Strategies, Nutrition and Diet, Collaboration, Storytelling, Cultural Diversity
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Exploit development, OSI Models, Network Security, Exploitation techniques, TCP/IP, Cybersecurity, Vulnerability Scanning, Metasploit, Malware Protection, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Wireless Networks, Application Security, Cyber Security Assessment, Network Monitoring, Linux, Object Oriented Programming (OOP), General Networking, Security Awareness
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Customer Success Management, Relationship Building, Customer experience strategy (CX), Customer Retention, Agile Methodology, Customer Engagement, Customer Data Management, Customer Relationship Management, Consultative Approaches, Customer Insights, Market Analysis, Software As A Service, Business Modeling, Organizational Structure, Business Relationship Management, Target Audience, Value Propositions, Solution Delivery, Business Analysis, Web Analytics
Beginner · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Prompt Engineering, Data Ethics, Responsible AI, Education Software and Technology, ChatGPT, Artificial Intelligence, Digital pedagogy, Generative AI
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Web Applications, Object Oriented Programming (OOP), Application Development, Python Programming, Computer Programming, Programming Principles, Data Science, Data Analysis, Scripting, Data Structures, Debugging, Style Guides, Software Documentation
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Development Environment, Software Development Methodologies, CI/CD, DevOps, IT Automation, Version Control, Continuous Integration, Network Engineering, Program Development, Docker (Software), Software Development, Software Engineering, Virtual Environment, Git (Version Control System), Waterfall Methodology, Agile Methodology, Software Design
Intermediate · Course · 1 - 4 Weeks