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.

Universitat Politècnica de València
Skills you'll gain: Computer Hardware, Computer Architecture, Networking Hardware, Hardware Architecture, Computer Systems, Information Technology, Data Storage, Facility Repair And Maintenance, Computer Networking, Peripheral Devices, Wireless Networks, Computer Security
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Legal Risk, Contract Management, Contract Review, Risk Mitigation, Contract Compliance, Procurement, Vendor Contracts, Purchasing, Contract Negotiation, Strategic Sourcing, Decision Making, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Responsible AI, Retrieval-Augmented Generation, Generative AI Agents, Generative AI, Google Workspace, Google Cloud Platform, AI Enablement, Customer experience improvement, Gemini, AI Security, AI Product Strategy, Productivity Software, Customer Engagement, AI Workflows, Agentic systems, Cloud Computing, Artificial Intelligence, Collaboration
Beginner · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: Post-Production, Music, Musical Composition, Peer Review, Media Production, Music Performance, Creativity, Instrumental Music, Automation, Editing, File Management, Writing, Digital Signal Processing, Coordination, Electronic Media, System Configuration, Technology Solutions
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, Requirements Analysis, ASP.NET, Relational Databases, C# (Programming Language), Database Application, Full-Stack Web Development, Business Requirements, System Testing, Back-End Web Development, Maintainability, System Implementation, Integration Testing, Model View Controller, Software Architecture, SQL, Data Validation, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Innovation, Creativity, Brainstorming, Process Development, Design Thinking, Organizational Leadership, Product Development, Diversity and Inclusion, Product Lifecycle Management, Team Management, Business Strategy, Lean Methodologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Continuous Integration, CI/CD, AI Orchestration, Software Quality Assurance, Maintainability, Quality Assurance, Automation, Verification And Validation, User Interface (UI), Natural Language Processing, Scalability
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, System Testing, Test Case, Software Development Tools, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Core Data (Software), iOS Development, Data Store, Maintainability, User Interface and User Experience (UI/UX) Design, Software Design, Cloud Storage, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Network Security, Cyber Threat Hunting, Threat Modeling, Threat Detection, Cybersecurity, Threat Management, Cyber Security Assessment, Operating System Administration, Cyber Attacks, Hardening, Intrusion Detection and Prevention, Cyber Engineering, Malware Protection, Vulnerability Management, Vulnerability Assessments, Incident Response, Network Monitoring, Incident Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, Cloud Computing, Cloud API, API Design, Python Programming, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Google Analytics, Google Ads, Web Analytics, Content Strategy, Marketing, Market Research, Competitive Analysis, E-Commerce, Analytics
Mixed · Course · 1 - 3 Months