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.

Board Infinity
Skills you'll gain: Frontend Integration, Application Programming Interface (API), API Gateway, Secure Coding, Cloud Development, Cloud Deployment, Database Development, Maintainability, Dataflow, Application Deployment, Server Side, Web Applications, Authentications, Authorization (Computing), Data Access
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microservices, Docker (Software), Containerization, API Gateway, Redis, API Design, Software Design, ASP.NET, .NET Framework, Software Architecture, Microsoft Visual Studio, Software Design Patterns, Cloud-Native Computing, Application Programming Interface (API), Restful API, Frontend Integration, Systems Architecture, C# (Programming Language), Event-Driven Programming, Web Development
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apache Maven, Java Programming, Java, Build Tools, Database Design, Database Development, Database Application, Eclipse (Software), Full-Stack Web Development, CI/CD, Web Applications, Code Reusability, Continuous Integration, Model View Controller, Web Development, Authentications, Authorization (Computing), Application Development, UI Components, Automation
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Power, Electronic Components, Semiconductors, Electric Power Systems, Electrical Systems, Electrical Engineering, Electronic Systems, Plant Operations and Management, Electronics, Engineering, Scientific, and Technical Instruments, System Monitoring, Energy and Utilities, Safety Assurance, Manufacturing Processes, Design Specifications
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Cloud Computing, Cloud Deployment, Cloud Technologies, Cloud Services, Virtualization and Virtual Machines, Cloud Computing Architecture, Cloud Infrastructure, Virtualization, Cloud Platforms, NoSQL, Cloud Storage, Database Design, Database Management, Data Warehousing, MongoDB, MySQL, SQL, Application Programming Interface (API), Python Programming, Git (Version Control System)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Virtual Environment, Canva (Software), Color Theory, Graphical Tools, Color Matching, Design, Education Software and Technology, Creative Design, Design Elements And Principles, Design Software, Graphic and Visual Design Software, Graphic and Visual Design, Graphic Design, Content Creation, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Computer Architecture, Mainframe Computing, Mainframe Technologies, Microarchitecture, Systems Architecture, Hardware Architecture, Data Storage, Computer Science, Programming Principles, System Programming, Data Structures, Computational Logic, Computer Hardware, Program Development, Computer Programming, Memory Management
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Rust (Programming Language), Memory Management, Application Programming Interface (API), Server Side, Code Reusability, Back-End Web Development, System Programming, Web Frameworks, Web Development, Other Programming Languages, Web Servers, Software Documentation, Scalability, Integrated Development Environments, Build Tools, Data Analysis, Maintainability, Network Protocols, Application Development, Authentications
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: AI Security, Vulnerability Assessments, Governance Risk Management and Compliance, Responsible AI, Compliance Auditing, Personally Identifiable Information, Regulatory Compliance, Regulatory Requirements, Compliance Management, Law, Regulation, and Compliance, Regulatory Documents, AI Integrations, Compliance Reporting, Safety Audits, Threat Modeling, Legal Risk, Safety Assurance, Risk Management Framework, Data Loss Prevention, Risk Mitigation
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Performance marketing, Content Optimization, Social Media Marketing, Pay Per Click Advertising, Web Analytics and SEO, Social Media, Content Marketing, Marketing, Online Advertising, Product Promotion, Blogs, Lead Generation, Marketing Strategies, Market Opportunities, Promotional Strategies, Product Knowledge, Target Audience
Mixed · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Performance Testing, Performance Stress Testing, Test Tools, Verification And Validation, Software Testing, Test Data, Data Validation, Scripting, Application Performance Management, Scenario Testing, Proxy Servers, Distributed Computing, Software Installation, System Monitoring
Intermediate · Course · 3 - 6 Months

Macquarie University
Skills you'll gain: DevSecOps, Secure Coding, Application Security, IT Security Architecture, DevOps, Security Engineering, Security Controls, CI/CD, Cybersecurity, Cyber Security Strategy, Cloud Security, Infrastructure as Code (IaC), Cloud Platforms, Vulnerability Management, Development Environment, Cloud Computing, Cloud Infrastructure, Cloud Computing Architecture, User Story, Backlogs
Beginner · Course · 1 - 3 Months