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.

Alex Genadinik
Skills you'll gain: Generative AI Agents, Email Automation, Vibe coding, Agentic Workflows, Agentic systems, AI Workflows, AI Orchestration, Sales Process, Marketing Automation, HubSpot CRM, Sales Enablement, Sales Pipelines, Software As A Service, Sales Development, Lead Generation, Business Development, Prompt Engineering, New Business Development, Application Deployment, Campaign Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Computer Graphics, Visualization (Computer Graphics), Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Django (Web Framework), Full-Stack Web Development, Authentications, Software Testing, Debugging, Object-Relational Mapping, Authorization (Computing), MySQL, Test Case, Web Development, Back-End Web Development, Web Applications, Software Documentation, File Management, Model View Controller, Virtual Environment
Mixed · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Interactive Design, User Interface (UI), Usability, Web Design, Information Architecture
Mixed · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Endpoint Detection and Response, Threat Management, Cyber Operations, Security Management, Threat Detection, Security Information and Event Management (SIEM), Cyber Threat Hunting, Security Strategy, Incident Response, Automation, Data Integration
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Django (Web Framework), Model View Controller, Authentications, Chart.js, Data Import/Export, Full-Stack Web Development, Web Development, Data Modeling, Cascading Style Sheets (CSS), Responsive Web Design, Javascript, User Interface (UI), Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Virtual Networking, Cloud Computing Architecture, Cloud Computing, Application Deployment, Network Infrastructure, Virtual Machines, Firewall, Virtual Private Networks (VPN), Network Planning And Design, Network Routing, Cloud Storage, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Microsoft Azure, Platform As A Service (PaaS), Cloud Applications, Cloud Development, Cloud Deployment, SQL Server Integration Services (SSIS), Active Directory, Cloud Services, Identity and Access Management, Application Development, Application Deployment, Data Store, Authentications, Data Integration, Data Storage Technologies, Cloud Storage, Debugging, Data Persistence, File Transfer Protocol (FTP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Multi-Cloud, Enterprise Architecture, Cloud Computing Architecture, Cloud Platforms, Data-Driven Decision-Making, Solution Architecture, Systems Architecture, Cloud Infrastructure, Cloud Services, Artificial Intelligence and Machine Learning (AI/ML), Scalability, CI/CD, IT Security Architecture, Infrastructure As A Service (IaaS), Capacity Planning, Systems Analysis, Security Controls, Cost Containment, Blueprinting, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Lean Six Sigma, Performance Improvement, Statistical Process Controls, Operational Analysis, Process Improvement, Statistical Methods, Continuous Improvement Process, Innovation, Operations Management, Probability & Statistics, Problem Solving
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Single Sign-On (SSO), Amazon Web Services, Cloud Security, Security Management, Incident Response, Amazon CloudWatch, Amazon Elastic Compute Cloud, Amazon S3, Multi-Factor Authentication, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Database Design, Google Cloud Platform, NoSQL, Data Access, Big Data, Command-Line Interface
Beginner · Project · Less Than 2 Hours