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: Apple iOS, Apple Xcode, Swift Programming, iOS Development, Core Data (Software), Mobile Development, Secure Coding, User Interface (UI), Application Deployment, Scalability, User Interface (UI) Design, UI Components, Debugging, Data Persistence, Data Management, Model View Controller, Performance Tuning, Programming Principles, Application Programming Interface (API), Application Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Instagram, Social Media Content, LinkedIn, Social Media, Facebook, Content Creation, Social Media Management, Social Media Marketing, User Accounts, Graphic Design, Marketing
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Ajax, JSON, Javascript, Frontend Integration, Application Programming Interface (API), Restful API, Web Applications, Application Security, Debugging
Intermediate · Course · 1 - 4 Weeks

American Council on Exercise
Skills you'll gain: Selling Techniques, Sales, Customer Retention, Consultative Selling, Customer Acquisition Management, Performance Measurement, Customer Relationship Building, Professional Development, Customer Engagement, Exercise Science, Goal Setting
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Authorization (Computing), Role-Based Access Control (RBAC), Authentications, Single Sign-On (SSO), User Accounts, Data Security, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Anomaly Detection, Model Deployment, Image Analysis, Google Cloud Platform, Computer Vision, Data Import/Export, AI Enablement, Data Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, TCP/IP, Multiprotocol Label Switching, Network Administration, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Restful API, Rust (Programming Language), Application Programming Interface (API), OS Process Management, Video Game Development, Web Development, JSON, Programming Principles, Servers, Debugging, TCP/IP
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cultural Diversity, English Language, Verbal Communication Skills, Social Skills, Interpersonal Communications, Communication, Planning, Grammar, Vocabulary, Relationship Building, Detail Oriented
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Maven, Java Platform Enterprise Edition (J2EE), Hibernate (Java), Unit Testing, Docker (Software), Software Design Patterns, Object-Relational Mapping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Graphic Design, Graphic and Visual Design Software, Photo Editing, Graphics Software, Content Creation, Multimedia, Content Marketing, Cloud-Based Integration, Continuous Integration
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Scrum (Software Development), User Story, Backlogs, Agile Methodology, Sprint Planning, Agile Project Management, Prioritization, Sprint Retrospectives, Estimation, Workflow Management, Kanban Principles, Product Roadmaps, Risk Management
Mixed · Course · 1 - 4 Weeks