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.

Dartmouth College
Skills you'll gain: Structural Analysis, Structural Engineering, Architectural Engineering, Building Design, Civil Engineering, Vibrations, Engineering, SketchUp (3D Modeling Software), Engineering Analysis, Mechanics, Construction, Mathematical Modeling, Engineering Design Process, Design, Simulation and Simulation Software, 3D Modeling
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Relational Databases, Database Management, Database Development, SQL, MySQL, Database Design, Transaction Processing, Stored Procedure, Java, Data Structures, Data Integrity, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Control Systems, Electric Power Systems, Electrical Power, Three-Phase, High Voltage, Simulation and Simulation Software, Engineering Analysis, Low Voltage, Simulations, Power Electronics, Electrical Engineering, Systems Analysis, Mathematical Modeling, Differential Equations
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Databases, Performance Tuning, Maintainability, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Star Schema, Data Analysis Expressions (DAX), Power BI, Data Modeling, Database Design, Performance Tuning, Data Integration, Data Analysis, Data Transformation
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Storytelling, SQL, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Star Schema, Dashboard, Data Modeling, Data Quality, Business Analytics, Database Design, Data Mart, Data Validation, Business Intelligence, Analytics, YAML, Data Pipelines, Data Transformation, Performance Tuning, Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Gemini, Google Gemini, Multimodal Prompts, Retrieval-Augmented Generation, Query Languages, Data Manipulation, Data Store, Embeddings, Metadata Management, Document Management, Text Mining, Data Capture, Cloud API, Image Analysis, Cloud Computing, Artificial Intelligence
Intermediate · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Hardware Design, Digital Communications, Serial Peripheral Interface, Electronic Systems, Electrical Engineering, Telecommunications, Digital Signal Processing, Electrical Systems, Failure Analysis, Electronic Components, Estimation, Engineering Analysis, Simulation and Simulation Software
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Community Health, Public Health, Health Disparities, Health Promotion, Health Assessment, Social Determinants Of Health, Epidemiology, Health Policy, Health Systems, Data Collection, Preventative Care
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Creativity, Creative Thinking, Organizational Leadership, Leadership, Innovation, Team Leadership, Business Leadership, Leadership and Management, Collaboration, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Virtual Machines, Virtualization and Virtual Machines, Cloud Development, Cloud Deployment, Application Deployment, Linux, Full-Stack Web Development, Web Applications, Node.JS, MongoDB
Intermediate · Course · 1 - 3 Months