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.

Skills you'll gain: Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cyber Attacks, Cybersecurity, Security Requirements Analysis, Security Testing, Vulnerability Assessments, Software Design, Encryption, Vulnerability Management, Security Controls, Data Security, Cryptography, Continuous Monitoring, Authentications, Development Testing, System Monitoring
★ 5 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Design, Database Systems, MySQL Workbench, Database Software, Database Theory, Database Management Systems, Databases, SQL, Database Management, Relational Databases, Database Development, Database Architecture and Administration, MySQL, Data Modeling, PostgreSQL, Data Mapping, Query Languages, Data Manipulation, Transact-SQL, Data Analysis
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Pay Per Click Advertising, Data-Driven Marketing, Marketing Analytics, Web Analytics, Search Engine Optimization, Analytics, Paid media, Search Engine Marketing, Web Analytics and SEO, Digital Marketing, Data-Driven Decision-Making, Digital Marketing Tools, A/B Testing, Data Analysis, AI Personalization, Contextual Advertising, Big Data, Customer Analysis, Customer Data Management, Machine Learning
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Application Development, UI Components, Program Development, User Interface (UI), Maintainability, Computational Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Unity Engine, 3D Modeling, User Interface (UI), Video Game Development, Debugging, User Interface (UI) Design, Game Design, User Interface and User Experience (UI/UX) Design, Animation and Game Design, Visualization (Computer Graphics), Computer Graphics, Frontend Integration, Program Development, Interactive Design, Virtual Environment, Model Optimization, Scripting, Computer Graphic Techniques, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Business Transformation, Data Strategy, Strategic Decision-Making, Digital Transformation, Storytelling, Presentations, Proposal Writing, Data Literacy, Persuasive Communication, Analytics, Data Visualization, Customer Insights, Microsoft PowerPoint, Influencing, Data Science, Customer Engagement, Stakeholder Engagement
★ 4.9 (14) · Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Agile Software Development, Agile Methodology, Requirements Analysis, Agile Project Management, Requirements Management, Software Development Methodologies, User Requirements Documents, Requirements Elicitation, User Story, Waterfall Methodology, Software Architecture, Project Management, Cross-Functional Collaboration, Quality Assurance
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Laboratory Equipment, Engineering, Scientific, and Technical Instruments, Systems Of Measurement, Building Design, Laboratory Procedures, Simulation and Simulation Software, Architectural Design, Simulations, Architecture and Construction, Human Factors, Design Strategies, Physics, Physiology, 3D Modeling
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: White-Box Testing, Test Planning, Test Case, Software Testing, Software Documentation, Test Automation, Software Quality Assurance, Code Review, Test Data, Issue Tracking, Software Technical Review, Quality Assurance, Development Environment, Technical Communication
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Psychology, Research, Research Design, Scientific Methods, Research Methodologies, Human Learning, Sensory Systems Analysis, Culture, Decision Intelligence, Experimentation, Case Studies, Learning Strategies
Beginner · Course · 3 - 6 Months

Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, LangGraph, AI Workflows, Large Language Modeling, AI Orchestration, Responsible AI, Generative AI, Token Optimization, Agentic systems, Prompt Engineering, Generative AI Agents, Natural Language Processing, Cloud Development, Application Programming Interface (API), Python Programming, Application Deployment, Data Processing, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Inventory and Warehousing, Inventory Management, Warehousing, Inventory Control Systems, Inventory Control, Materials Management, Warehouse Operations, Warehouse Management, Inventory Management System, Inventory Accounting, Supply Chain Systems, Logistics Management, Order Management, Order Fulfillment, Reverse Logistics, Order Processing, Cost Accounting
★ 4.3 (14) · Mixed · Course · 1 - 4 Weeks