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.

Coursera
Skills you'll gain: Logo Design, Graphic and Visual Design Software, Digital Design, Graphic Design, Design Software, Digital Publishing, Marketing, Creative Design, Data Sharing
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: NSX-T Network Virtualization, vSphere Networking and Storage, Virtual Networking, Software-Defined Data Center (SDDC), VMware vSAN, vSphere DRS & HA, Hybrid Cloud Computing, Software-Defined Networking, Zero Trust Network Access, Virtualization, Storage vMotion, Data Centers, vCenter Server, VMware ESX Servers, Role-Based Access Control (RBAC), Virtual Local Area Network (VLAN), Virtualization and Virtual Machines, Virtual Machines, Cloud Management, Network Switches
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Presentation, Verbal Communication Skills, Presentations, Dashboard, Infographics, Storytelling, Data Visualization Software, Persuasive Communication, Communication, Non-Verbal Communication, Target Audience, Decision Making
Intermediate · Course · 3 - 6 Months

Harvard Business Review
Skills you'll gain: Innovation, Creative Thinking, Curiosity, Ideation, Brainstorming, Strategic Thinking, New Product Development, Market Opportunities, Business Risk Management, Collaboration, Continuous Improvement Process, Problem Solving, Prioritization, Stakeholder Engagement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Applications, Javascript, JSON, Node.JS, PHP (Scripting Language), Restful API, Application Programming Interface (API), Extensible Markup Language (XML), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Spring Boot, Real Time Data, Java, Unit Testing, Restful API, JSON, Integration Testing, Data Transformation, Scalability, Debugging
Intermediate · Course · 3 - 6 Months

Skills you'll gain: HTML and CSS, JSON, Responsive Web Design, Ajax, Web Design and Development, Animations, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Hypertext Markup Language (HTML), Web Development Tools, Semantic Web, Web Development, Web Design, Data Validation, Development Environment, Verification And Validation, Integrated Development Environments, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model View Controller, GitHub, Version Control, .NET Framework, Git (Version Control System), ASP.NET, Application Frameworks, Software Configuration Management, Development Environment, Microsoft Visual Studio, Bootstrap (Front-End Framework), Microsoft Development Tools, HTML and CSS
Beginner · Course · 1 - 3 Months

Anmol Test Institution
Skills you'll gain: Figma (Design Software), UI Components, Mockups, Wireframing, Application Design, Design, Web Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Logo Design, Collaborative Software, Motion Graphics, Graphic and Visual Design Software, Design, Business Process, Advertising
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Precision Medicine, Game Theory, Reinforcement Learning, Data-Driven Decision-Making, Clinical Trials, Bioinformatics, Data Analysis, Image Analysis, Analytics, Markov Model, Bayesian Statistics, Time Series Analysis and Forecasting, Forecasting, Data Science, Strategic Decision-Making, Statistical Methods, Anomaly Detection, Applied Machine Learning, Cybersecurity, Statistical Analysis
Intermediate · Specialization · 3 - 6 Months