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.

Universidad de Palermo
Skills you'll gain: Relational Databases, SQL, Database Design, Database Management, Databases, Back-End Web Development, Data Modeling, Data Entry, Query Languages, Web Development, Data Access, Data Integrity, Information Technology
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, Application Programming Interface (API), Secure Coding, Cloud Deployment, JavaScript Frameworks, Frontend Performance, Database Development, Maintainability, Node.JS, Server Side, Authentications, Application Performance Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Spring Framework, Hibernate (Java), Spring Boot, Java, Object-Relational Mapping, Database Management, Apache Maven, Software Design Patterns, SQL, Data Persistence, Functional Design, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Multi-Cloud, Cloud Computing Architecture, Cloud Deployment, Cloud Computing, Terraform, Kubernetes, Cloud Infrastructure, Containerization, Cloud Storage, Hybrid Cloud Computing, Microsoft Azure, Infrastructure as Code (IaC), Amazon Web Services, Threat Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Campaigns, Email Marketing, Online Advertising, Content Creation, Marketing Design, Graphic and Visual Design, Product Promotion, Advertising, Marketing Materials, Promotional Materials, Marketing Communications, Sales Development, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Manufacturing Operations, Internet Of Things, Robotics, Manufacturing Processes, Automation, Manufacturing and Production, Production Process, Industrial Engineering, 3D Modeling, Robotic Process Automation, Innovation, Computer-Aided Design, Emerging Technologies, Digital Transformation, Real Time Data, Simulation and Simulation Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Content, Microsoft Office, Design, Microsoft 365, Education Software and Technology
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Video Editing, Layout Design, Color Matching
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cyber Threat Hunting, Incident Response, Computer Security Incident Management, Cybersecurity, Network Security, Cyber Security Policies, Threat Detection, Security Controls, Threat Management, Intrusion Detection and Prevention, Firewall, Security Information and Event Management (SIEM), Continuous Monitoring, Endpoint Security, Network Monitoring, Malware Protection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, IntelliJ IDEA
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Network Security, Virtual Local Area Network (VLAN), Network Planning And Design, Network Architecture, Network Routers, Infrastructure Security, General Networking, Authentications, Network Switches
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Performance Tuning, Embedded Systems, Application Security, System Programming, Digital Signal Processing, Security Engineering, Computer Architecture, Hardware Architecture
Advanced · Course · 1 - 3 Months