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.

LearnQuest
Skills you'll gain: Blockchain, Interoperability, Network Architecture, Systems Architecture, Data Architecture, Solution Architecture, Information Technology Architecture, Enterprise Architecture, Authentications, Cryptography, Identity and Access Management, Emerging Technologies, Encryption, Threat Modeling, Enterprise Security, Scalability, Security Testing, Requirements Analysis, Prototyping
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Construction, Construction Inspection, Construction Engineering, Construction Management, Plant Operations and Management, Commercial Construction, Safety Assurance, Engineering Plans And Specifications, Structural Engineering, Civil Engineering, Manufacturing Operations, Production Process, Design Specifications, Laboratory Testing, Analytical Testing, Test Equipment
Advanced · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Data Migration, Amazon Web Services, Virtual Machines, Cloud Infrastructure, Amazon Elastic Compute Cloud, Cloud Management, AWS Identity and Access Management (IAM), Public Cloud, Cloud Computing Architecture, Application Performance Management, Verification And Validation, Application Deployment, System Implementation, Network Infrastructure
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, CI/CD, Containerization, Serverless Computing, Docker (Software), Kubernetes, Event-Driven Programming, Transaction Processing, Cloud Deployment, Redis, Software Architecture, Distributed Computing, Scalability, Amazon Web Services, System Monitoring, Software Design Patterns, Data Integrity, Real Time Data
Advanced · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, 3D Assets, 3D Modeling, Computer Graphics, Animation and Game Design, Image Quality, Performance Tuning
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Wireframing, Mockups, Web Content, Web Design, Information Architecture, Collaborative Software, User Experience Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Gradle, Software Development Tools, Integration Testing, Mockups, JSON, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Newsletters, Marketing Materials, Promotional Materials, Marketing Design, Email Marketing, Content Creation, Event Marketing, Owned Media, Graphic Design, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: NoSQL, MongoDB, Distributed Computing, Database Systems, Scalability, Big Data, Databases, Database Design, Software Architecture, Systems Architecture, Data Storage Technologies, Data Modeling, Relational Databases, Unstructured Data, Graph Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Self Service Technologies, Test Tools, Development Testing, Natural Language Processing
Beginner · Project · Less Than 2 Hours

Packt
Skills you'll gain: Rust (Programming Language), System Programming, Package and Software Management, Data Structures, Software Installation, Test Data, Programming Principles, Secure Coding, Maintainability, Debugging, Software Design Patterns, Integrated Development Environments, Data Sharing, Data Management, Command-Line Interface, Capacity Management
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Flask (Web Framework), Model View Controller, Back-End Web Development, Hypertext Markup Language (HTML), Python Programming
Beginner · Guided Project · Less Than 2 Hours