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: Wireframing, Persona (User Experience), User Interface (UI), User Experience Design, Usability, User Interface (UI) Design, UI Components, Visual Design, Persona Development, Information Architecture, Web Design, Design, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Sensory Systems Analysis, Experimentation, Product Testing, Acceptance Testing, Laboratory Testing, Laboratory Research, Laboratory Experience, Laboratory Procedures, Case Studies, Research Design, Analysis, Data Collection, Research Reports, Data Analysis, Recruitment
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Prompt Engineering, Search Engine Optimization, Selling Techniques, Video Production, Email Automation, Google Ads, Generative AI Agents, Sales Strategy, AI Orchestration, Marketing Channel, Inside Sales, Performance marketing, Marketing, Product Promotion, Online Advertising, Marketing Strategies, AI Workflows, Content Marketing, Web Analytics, New Business Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative Model Architectures, Generative AI, Cloud Deployment, AI Security, Scalability, Cloud-Native Computing, Application Design, Model Deployment, Systems Architecture, Load Balancing, Cloud Platforms, Application Deployment, Capacity Management, Software Architecture, Containerization, Responsible AI, System Monitoring, Disaster Recovery
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: AI Personalization, Personalized Service, Operations Support Systems, Customer Analysis, Telecommunications, Customer Retention, Network Performance Management, Responsible AI, Wireless Networks, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Network Architecture, Computer Networking, Emerging Technologies, Digital Communications, Generative AI Agents, Generative AI, Network Protocols, System Design and Implementation, Communication
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Network Architecture, Virtual Networking, Computer Networking, Network Engineering, Virtualization, Network Infrastructure, Network Planning And Design, Software-Defined Networking, Virtual Private Networks (VPN), Virtualization and Virtual Machines, Network Protocols, Cloud Infrastructure, Wireless Networks, Wide Area Networks, Virtual Machines, Network Routing, Network Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Snowflake Schema, Star Schema, Business Intelligence, Data Modeling, Database Design, Data Management, Data Integration, Performance Tuning, Databases, Data Transformation, Query Languages, Performance Improvement
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Patient Safety, Change Control, Corrective and Preventive Action (CAPA), Healthcare Project Management, Safety Assurance, Quality Improvement, Safety Standards, Problem Management, Continuous Quality Improvement (CQI), Accident Prevention, System Implementation, Leadership
Mixed · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Engineering Calculations, Structural Engineering, Structural Analysis, Construction Engineering, Civil Engineering, Engineering Analysis, Engineering Practices, Engineering, Construction, Conceptual Design, Design Specifications, Finite Element Methods, Hydraulics
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Data Lakes, Data Migration, Apache Hive, Data Infrastructure, Data Import/Export, Data Architecture, Apache Spark, Data Maintenance, Database Design, Data Store, Database Management, Performance Tuning, Data Management, Metadata Management, Data Integrity, Data Validation, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Promotional Strategies, Entrepreneurship, Product Promotion, Organizational Structure, Business Leadership, Content Creation, Entrepreneurial Finance, Target Audience, Digital Content, Digital Transformation, New Business Development, Business Modeling, Strategic Partnership, Innovation, Consumer Behaviour, Fiscal Management, Fundraising and Crowdsourcing, Digital Media Strategy, Intellectual Property
Beginner · Course · 1 - 3 Months