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.

Coursera
Skills you'll gain: Collaborative Software, Marketing Operations, Ideation, Innovation, Decision Intelligence, Marketing Management, Team Management, Team Building, Project Management, Team Oriented, Team Collaboration, Internal Communications, Cross-Functional Collaboration, Content Creation, Leadership Development, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Data Security, Information Systems Security, Internet Of Things, Threat Modeling, Cybersecurity, Cloud Security, Security Engineering, Cryptography, Secure Coding, Network Security, Cyber Attacks, Mobile Security, Vulnerability, Risk Management Framework, Threat Management, Encryption, Cloud Services, Web Applications, Cloud Platforms
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Encryption, Cybersecurity, Cryptography, File I/O, Python Programming, Programming Principles, Debugging, Data Mapping, Software Testing, Data Structures
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Microsoft Azure, Azure Active Directory, Virtual Machines, Azure DevOps, Azure DevOps Pipelines, Cloud Computing, Cloud Services, DevOps, Cloud Infrastructure, Data Integration, Infrastructure As A Service (IaaS), Cloud Platforms, Virtualization and Virtual Machines, Cloud Computing Architecture, Application Development, Cloud Technologies, Identity and Access Management, Virtual Networking, Devops Tools, Network Planning And Design
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Project Management Life Cycle, Project Closure, Project Implementation, Project Management, Project Coordination, Project Scoping, Project Risk Management, Plan Execution, Project Design, Project Schedules, Project Controls, Change Control, Project Planning, Cost Management, Work Breakdown Structure, Project Estimation, Communication Planning, Project Documentation, Scheduling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, 3D Assets, 3D Modeling, Virtual Environment, Video Game Development, Computer Graphics, Game Design, Data Import/Export
Advanced · Course · 3 - 6 Months

University of California San Diego
Skills you'll gain: Debugging, Computer Programming Tools, Digital pedagogy, Program Development, Computational Logic, Education Software and Technology, Computational Thinking, Programming Principles, Computer Programming, Game Design
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: API Testing, Performance Testing, Performance Stress Testing, Test Script Development, Application Programming Interface (API), Test Tools, Software Testing, Test Planning, Scenario Testing, System Testing, Scripting, Simulations, Scalability, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Selenium (Software), Test Script Development, OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, Test Tools, Web Development Tools, Git (Version Control System), Software Installation
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Ansible, IT Automation, YAML, Enterprise Architecture, DevSecOps, Scalability, CI/CD, Automation, Debugging, Scripting, Continuous Integration, Devops Tools, Configuration Management, Hardening, Enterprise Security, Development Environment, Verification And Validation, Infrastructure as Code (IaC), Cloud-Based Integration, Patch Management
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Cloud Development, Google Cloud Platform, Cloud Applications, Microservices, Virtual Machines, Cloud Deployment, Application Deployment, Infrastructure As A Service (IaaS), Kubernetes, API Design, Load Balancing, Virtual Networking, Google App Engine, Cloud Management, Cloud Platforms, CI/CD, Terraform, Data Storage Technologies
Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Productivity, Leadership and Management, Management Training And Development, Time Management, Leadership, Business Leadership, Delegation Skills, Team Leadership, Leadership Development, Employee Onboarding, Prioritization, Organizational Leadership, People Management, Business Management, Staff Management, Team Building, Performance Measurement, Quality Management, Recruitment, Executive Recruitment
Beginner · Course · 3 - 6 Months