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.

Starweaver
Skills you'll gain: Business Workflow Analysis, Workflow Management, Process Improvement, Business Systems Analysis, Diagram Design, Project Scoping, Data Flow Diagrams (DFDs), Process Management, Business Process Management, Business Analysis, Service Design, System Design and Implementation, Business Management, Stakeholder Engagement, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: C++ (Programming Language), Programming Principles, Data Structures, Computer Programming, Game Design, Algorithms, Debugging
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: SQL, Relational Databases, Microsoft Copilot, Database Management, Transaction Processing, Query Languages, Database Design, Databases, Object-Relational Mapping, Performance Tuning, Data Integrity, Data Modeling, Data Security
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Research Design, Epidemiology, Biostatistics, Clinical Research, Research Methodologies, Public Health, Statistical Analysis, Sample Size Determination, Data Analysis
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Test Case, Software Testing, Software Quality Assurance, Quality Assurance, User Acceptance Testing (UAT), Test Planning, Verification And Validation, Acceptance Testing, System Testing, White-Box Testing, Unit Testing, Functional Testing, Integration Testing, Software Development Life Cycle, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Revenue Management, Customer experience strategy (CX), Service Design, Design Thinking, Change Management, Capital Expenditure, Financial Statement Analysis, Cost Control, Social Media Marketing, Hospitality Management, Social Media, Innovation, Financial Forecasting, Finance, Operations Management, Prototyping, Strategic Planning, Capital Budgeting, Search Engine Optimization, Key Performance Indicators (KPIs)
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: WordPress, Web Content, Content Management Systems, Web Design, Web Design and Development
Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Materials science, Analytical Testing, Engineering, Scientific, and Technical Instruments, electromagnetics, Scientific Visualization, Laboratory Equipment, Electronics, Physics, Image Analysis, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Star Schema, IBM DB2, Data Modeling, Snowflake Schema, PostgreSQL, Database Design, Data Architecture, Data Mart, Database Systems, Data Lakes, Data Validation, Data Integration, SQL, Data Cleansing, Query Languages, Data Quality
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe InDesign, Typography, Layout Design, Adobe Creative Cloud, Style Guides, Automation, Data Import/Export, Graphic and Visual Design, Graphic Design, Technical Documentation, File Management
Intermediate · Specialization · 1 - 3 Months

Arizona State University
Skills you'll gain: Usability, Usability Testing, Problem Solving, Human Factors, User Experience Design, Human Centered Design, Critical Thinking and Problem Solving, Creativity, Human Factors Engineering, User Research, Decision Making, Human Computer Interaction, Human Learning, User Interface (UI), Data Collection, Human Machine Interfaces, Research Design, Computer Displays, Accident Prevention, Control Systems
Intermediate · Specialization · 3 - 6 Months