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.

Edureka
Skills you'll gain: API Gateway, Authentications, Application Programming Interface (API), OAuth, API Design, Cloud API, Authorization (Computing), Secure Coding, API Testing, Restful API, Threat Modeling, Application Security, Data Security, Distributed Denial-Of-Service (DDoS) Attacks, Identity and Access Management, Encryption, Prometheus (Software), Flask (Web Framework), Grafana, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Virtual Environment, 3D Assets, Computer Graphics, Game Design, Video Game Development, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, C# (Programming Language), Application Frameworks, Network Routing, Web Applications, Javascript, Event-Driven Programming, Model View Controller, Server Side, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Case Studies, User Experience Design, Business Analysis, Natural Language Processing, Application Programming Interface (API), Application Deployment, Application Development, Artificial Intelligence, Systems Integration, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, File I/O, Data Access, Data Persistence, Stored Procedure, SQL, Data Integrity, Databases, Secure Coding
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Security Engineering, Threat Modeling, Threat Management, Data Security, Cyber Threat Intelligence, Vulnerability Assessments, Threat Detection, Information Systems Security, Application Security, Security Testing, Cyber Security Strategy, Key Management, Encryption, Regulatory Compliance, Network Protocols, Financial Regulation, Scalability, Scripting
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Web Design, Cascading Style Sheets (CSS), User Interface (UI), Interactive Design, User Interface (UI) Design, Javascript, Front-End Web Development, Hypertext Markup Language (HTML), Animations, Web Development, Event-Driven Programming
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Facebook, Content Creation, Social Media Content, Graphic Design, Social Media, Drive Engagement, Photo/Video Production and Technology, Video Production, Copywriting, Storytelling, AI Product Strategy, Design Elements And Principles, Prompt Engineering, Photo Editing, Writing, Video Editing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: System Programming, Distributed Computing, Scalability, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Presentations, Product Demonstration, Prompt Engineering Tools, Generative AI, Storytelling, Brand Strategy, Responsible AI, Branding, Proposal Development, Brand Management, Visual Design, Content Creation, Creative Design, Graphic Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Experience Design, Design Strategies, Service Design, Customer experience improvement, User Experience Design, Customer Engagement, UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Design Research, Customer Insights, Business Analysis, Process Mapping, Cross-Functional Collaboration, Business Strategy, Stakeholder Engagement, Product Strategy, Prioritization, Ideation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Graphical Tools, Design Elements And Principles
Intermediate · Course · 3 - 6 Months