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: Network Monitoring, Routing Protocols, Software-Defined Networking, TCP/IP, Network Routing, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Network Performance Management, System Monitoring, Network Planning And Design, Disaster Recovery, Computer Networking, Network Architecture, Virtual Local Area Network (VLAN), Network Administration, Network Protocols, Border Gateway Protocol, Document Management, Software Installation
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Restful API, Rust (Programming Language), API Design, Object-Relational Mapping, Back-End Web Development, System Programming, Web Frameworks, Web Services, Web Development, Web Servers, Software Documentation, Web Applications, Scalability, Database Management, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Threat Modeling, IT Security Architecture, Network Security, Internet Of Things, Identity and Access Management, Encryption, Security Engineering, Information Systems Security, Cybersecurity, Security Controls, Threat Management, Cloud Security, Vulnerability Assessments, Threat Detection, Cloud Solutions, Systems Architecture, Cryptography
Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Climate Change Mitigation, Sustainable Development, Climate Change Adaptation, Social Justice, Community Development, Environmental Issue, Systems Thinking, Visionary, Research, Finance, Innovation, Strategic Partnership, Collaboration
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Protocols, Network Troubleshooting, Network Planning And Design, Network Routing, TCP/IP, Computer Networking, Dynamic Host Configuration Protocol (DHCP), Network Routers, Network Security, Local Area Networks, Network Switches, File Transfer Protocol (FTP)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, Performance Tuning, SQL, Database Management, Stored Procedure, Database Design, Operational Databases, Database Development, Query Languages, System Monitoring, Network Troubleshooting
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Cyber Security Policies, Cyber Security Strategy, Cyber Risk, Cybersecurity, Cyber Security Assessment, Business Priorities, Resource Allocation, Change Management, Risk Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Scalability
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Logic, Theoretical Computer Science, Automation, Agentic systems, System Requirements, Robotics, Artificial Intelligence, Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Postman API Platform, API Design, Application Programming Interface (API), API Testing, Authentications, Object-Relational Mapping, Development Environment, Microsoft Development Tools, Microsoft Visual Studio, Web Development Tools, Authorization (Computing), Endpoint Security, Data Validation
Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Image Analysis, Image Quality, Computer Vision, Digital Signal Processing, Python Programming, Algorithms, Color Theory, NumPy, Linear Algebra
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Equipment Design, Manufacturing Processes, Chemical Engineering, Process Engineering, Mechanical Engineering, Materials science, Manufacturing Operations, Production Process, Petroleum Industry, Engineering Practices, Engineering Design Process
Intermediate · Course · 1 - 4 Weeks