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.

Codio
Skills you'll gain: Model View Controller, Test Driven Development (TDD), Restful API, Vue.JS, Full-Stack Web Development, Frontend Integration, Web Applications, Unit Testing, Server Side, Javascript, HTML and CSS, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Responsible AI, Artificial Intelligence, Machine Learning, Prompt Engineering, Amazon Web Services, Model Deployment, Supervised Learning, Computer Vision, Image Analysis, Model Evaluation, Unsupervised Learning, Data Preprocessing, Natural Language Processing, Deep Learning, Reinforcement Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce Development, Data Validation, AI Workflows, Code Coverage, Prompt Engineering, Test Automation, Verification And Validation, Generative AI, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Functional Design, Performance Tuning, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power Apps Component Framework, Microsoft Power Platform, Microsoft Azure, Microsoft 365, Platform As A Service (PaaS), No-Code Development, Enterprise Application Management, Application Development, Application Design, Microsoft Copilot, Data Management, Dashboard, Data Integration, Business Process Automation, Security Controls
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Performance, Restful API
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Serverless Computing, Amazon S3, Amazon Web Services, Kubernetes, Containerization, Cloud Storage, Disaster Recovery, Application Deployment, Cloud Deployment, Cloud Computing Architecture, Cloud Solutions, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

University of Virginia Darden School Foundation
Skills you'll gain: Adaptability, Active Listening, Emotional Intelligence, Critical Thinking, Professional Development, Leadership Development, Personal Development, Empathy & Emotional Intelligence, Collaboration, Team Building, Relationship Building, Resilience, Self-Awareness, Willingness To Learn, Quick Learning, Cognitive flexibility
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Java Platform Enterprise Edition (J2EE), Data Validation, Web Applications, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Visualization (Computer Graphics), Interoperability, Java, Cascading Style Sheets (CSS), Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Development, Cloud Applications, Containerization, .NET Framework, Performance Tuning, Application Development, C# (Programming Language), Application Performance Management, Scalability, Web Applications, UI Components
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Amazon DynamoDB, Amazon Web Services, NoSQL, Database Management, Database Design, Data Store, Development Environment, Command-Line Interface, JSON, Application Programming Interface (API), Software Development Tools, Performance Tuning, Scalability
Intermediate · Course · 1 - 3 Months
Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Wireless Networks, Wide Area Networks, TCP/IP, Network Routing, Network Infrastructure, Performance Tuning, Network Monitoring, Network Troubleshooting, Routing Protocols, Network Planning And Design, Network Switches, Virtual Networking, Network Administration, Local Area Networks, Software-Defined Networking, Network Protocols, Network Analysis, IT Infrastructure, Configuration Management
Beginner · Specialization · 3 - 6 Months