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.

LearnKartS
Skills you'll gain: Google Analytics, Email Marketing, Google Ads, WordPress, LinkedIn, Content Creation, Facebook, Content Marketing, Social Media, Social Media Marketing, Search Engine Marketing, Social Media Content, Web Analytics and SEO, Advertising Campaigns, Email Automation, Social Media Campaigns, Analytics, Keyword Research, ChatGPT, Bidding
★ 4.4 (35) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Architecture, Wireless Networks, Emerging Technologies, Network Engineering, Network Planning And Design, Network Infrastructure, Network Performance Management, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML), Distributed Computing, Technology Strategies
★ 4.5 (32) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Swift Programming, iOS Development, Apple iOS, Objective-C (Programming Language), Mobile Development, Application Development, Application Servers, Object Oriented Programming (OOP), Data Structures
★ 3.8 (79) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Prompt Engineering, Version Control, OpenAI API, Debugging, Google Gemini, Flask (Web Framework), Software Design Patterns, Git (Version Control System), GitLab, Responsible AI, Infrastructure as Code (IaC), GitHub, Collaborative Software, Application Programming Interface (API), Mobile Development, Front-End Web Development, Back-End Web Development, Application Development, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.5 (135) · Intermediate · Specialization · 3 - 6 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Drafting and Engineering Design, Technical Design, Assembly Drawing, Engineering Drawings, Engineering Design Process, Technical Drawing, Mechanical Design, Simulation and Simulation Software, Design Software, Mechanical Engineering
★ 4.4 (29) · Beginner · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Shop Drawing, Construction, Structural Engineering, Building Codes, Drafting and Engineering Design, Structural Analysis, Construction Inspection, Building Design, Construction Engineering, Manufacturing Processes, Engineering Practices, Civil Engineering, Production Process, Engineering Tolerance, Architecture and Construction, Verification And Validation, Engineering Software, Engineering Design Process, Commercial Construction, Civil and Architectural Engineering
★ 4.7 (15) · Advanced · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Information Privacy, Data Security, Security Testing, Threat Detection, Responsible AI, Data Governance, Cyber Threat Intelligence, Data Management, Cyber Attacks, Cloud Security, Cyber Security Strategy, Cybersecurity, Data Loss Prevention, Data Integrity, Security Management, Security Controls, Security Awareness, Cyber Operations, Artificial Intelligence and Machine Learning (AI/ML), Data Science
★ 4.6 (45) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Node.JS, User Interface (UI), MongoDB, Javascript, Web Design, Front-End Web Development, Middleware, Cascading Style Sheets (CSS), Bootstrap (Front-End Framework), jQuery, Security Controls
★ 4.2 (67) · Intermediate · Specialization · 1 - 3 Months

STARWEAVER
Skills you'll gain: Business Process Modeling, Process Modeling, Responsible AI, Digital Transformation, Business Process Management, Business Process Improvement, Process Design, Product Management, AI Enablement, ChatGPT, Sustainable Development, Social Impact, Generative AI, Generative AI Agents, Customer Insights, Innovation, Sustainability Reporting, Prompt Engineering, Data Strategy, Business Strategy
★ 4.3 (35) · Intermediate · Specialization · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Selling Techniques, Operations, Supply Chain, Business Operations, Marketing, Advertising, Process Design, Profit and Loss (P&L) Management, Lean Methodologies, Cost Benefit Analysis, Business Analysis Tools, Case Studies, Corporate Strategy, Go To Market Strategy, Market Analysis, Revenue Management, Strategic Marketing, Customer Analysis, Complex Problem Solving
★ 4.3 (40) · Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Prompt Patterns, Generative AI Agents, AI Orchestration, AI Workflows, Business Process Automation, Make.com, Large Language Modeling, Automation, ChatGPT, Agentic systems, Generative Model Architectures, Agentic Workflows, LangChain, Responsible AI, AI Security, Workflow Management, OpenAI, Process Optimization, Application Programming Interface (API), Decision Support Systems
★ 4.3 (29) · Beginner · Specialization · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: GitHub Copilot, Vibe coding, Claude Code, Software Development Tools, AI Workflows, Prompt Engineering, Code Review, Software Development, Generative AI Agents, Web Development Tools, Software Engineering, Web Development, Design Software, Generative AI, Front-End Web Development, Artificial Intelligence, Javascript, AI Personalization, React.js, Application Deployment
★ 4.4 (66) · Beginner · Specialization · 3 - 6 Months