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.

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Applications, Web Frameworks, Scalability, Web Development, File I/O, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Application Programming Interface (API), Software Development Tools, Object-Relational Mapping, Database Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Java, Test Automation, System Testing, Object Oriented Programming (OOP), Continuous Delivery, Test Script Development, Software Testing, Integration Testing, Build Tools, Browser Compatibility
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Photography, Visual Storytelling, Storytelling, Photo/Video Production and Technology, Design Elements And Principles, Creativity
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Branding, Brand Marketing, Brand Strategy, Brand Management, Target Audience, Brand Awareness, Logo Design, Global Marketing, Digital Brand Strategy, Digital Transformation, Marketing, Marketing Design, Customer Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Autodesk, Visualization (Computer Graphics), Computer Graphics, Computer Graphic Techniques, Graphical Tools
★ 5 (11) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Web Applications, Web Development, .NET Framework, Microservices, Single Sign-On (SSO), Performance Tuning, Web Design and Development, Identity and Access Management, Full-Stack Web Development, C# (Programming Language), Application Security, Security Controls, Cloud Development, Multi-Factor Authentication, Application Frameworks, Authentications, Server Side, Authorization (Computing), Role-Based Access Control (RBAC)
★ 4.7 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe After Effects, Animations, Motion Graphics, Multimedia, Logo Design, Video Editing, Creative Design, Typography, Color Theory
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Storage, Cloud Management, Cloud API, File Management, Data Storage Technologies, Application Deployment
Intermediate · Project · Less Than 2 Hours

Universitat Politècnica de València
Skills you'll gain: Prompt Engineering, ChatGPT, Microsoft Copilot, AI literacy, LLM Application, OpenAI, Deepseek, Large Language Modeling, Education Software and Technology, Generative AI Agents, Token Optimization, Artificial Intelligence, Generative AI, AI Personalization, Excel Macros, Productivity, Excel Formulas
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Photo/Video Production and Technology, Post-Production, Editing, Motion Graphics, Video Production, Knowledge of Apple Software, Data Import/Export, Graphic and Visual Design, File Management, Storytelling, Content Creation, Apple software proficiency
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Tools, Test Automation, Test Planning, Scripting, Test Script Development, Continuous Integration, CI/CD, Software Testing, Software Technical Review, Scripting Languages, Code Review, Continuous Delivery, Maintainability, Automation, Software Quality (SQA/SQC), Application Frameworks
★ 4.3 (6) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Web Applications, HTML and CSS, Animations, Hypertext Markup Language (HTML), Event-Driven Programming, Cascading Style Sheets (CSS), Web Design and Development, Animation and Game Design, Application Development, Event Monitoring
Beginner · Course · 1 - 4 Weeks