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

EDUCBA
Skills you'll gain: Pandas (Python Package), Databases, Data Pipelines, Data Access, Performance Tuning, Data Transformation, Data Structures, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Interaction Design, Computer Graphics
Beginner · Specialization · 1 - 3 Months

L&T EduTech
Skills you'll gain: Structural Engineering, Structural Analysis, Building Codes, Construction Engineering, Civil Engineering, Materials science, Engineering Calculations, Engineering Design Process, Vibrations, Safety Standards
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Usability Testing, User Acceptance Testing (UAT), Surveys, Software Testing, Human Computer Interaction, User Research, UI/UX Research, User Experience Design, Software Quality (SQA/SQC), Web Content Accessibility Guidelines
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Evaluation, Tensorflow, Convolutional Neural Networks, Computer Vision, Keras (Neural Network Library), Development Environment, Image Analysis, Machine Learning, Deep Learning, Data Persistence, Artificial Neural Networks
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Javascript, Web Applications, HTML and CSS, Animations, Hypertext Markup Language (HTML), Event-Driven Programming, Web Design and Development, UI Components, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface (UI), User Experience Design, Web Design and Development, Development Environment, Front-End Web Development, Javascript, Web Development, Web Applications, Responsive Web Design, Microsoft Visual Studio, Real Time Data, Data Validation
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Frameworks, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Content Management, Cascading Style Sheets (CSS), File Systems, Javascript
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: AI Product Strategy, Generative AI, Brand Strategy, Content Creation, Brand Awareness, Social Media Content, Media Production, Storytelling, Marketing Communications, Business Communication, Digital Design, Creative Thinking, Influencing, Media and Communications, Business Ethics, Creative Problem-Solving, Customer Engagement, Business Transformation, Entrepreneurship, Digital Marketing
Beginner · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Business Transformation, Governance, Organizational Structure, Strategic Leadership, Emerging Technologies, Business Modeling, Business Management, New Business Development, Social Impact, Innovation, Intellectual Property
Mixed · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Adobe InDesign, Layout Design, Graphic Design, Graphic and Visual Design, Adobe Creative Cloud, Document Management, Graphic and Visual Design Software, Typography, Style Guides, Design Elements And Principles, Productivity Software, User Interface (UI), Color Theory
Mixed · Course · 1 - 3 Months