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.

Johns Hopkins University
Skills you'll gain: Performance Tuning, Data-oriented programming, System Programming, C and C++, Computer Architecture, Algorithms, Development Environment, Debugging
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Semiconductors, Analytical Testing, Electronic Components, Engineering, Scientific, and Technical Instruments, Analytical Chemistry, Failure Analysis, Electronics, Image Analysis, Laboratory Testing, Laboratory Equipment, Production Process, Test Equipment, Basic Electrical Systems, Materials science, Electrical Engineering, Electronic Systems, Manufacturing Processes, Process Control, Electronics Engineering, Laboratory Research
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, Relational Databases, SQL, Databases, R Programming, Database Management, Data Science, Data Modeling, Query Languages, Data Access, Data Manipulation, Data Analysis
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Engineering, Sustainable Technologies, Sustainable Business, Organizational Leadership, Corporate Sustainability, Business Leadership, Initiative and Leadership, Environment, Architectural Design, Climate Change Adaptation, Building Design, Climate Change Mitigation, Environmental Science, Energy and Utilities, Economics
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Object Oriented Programming (OOP), Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Musical Composition, Music, Music Theory, Electronic Media, Design Software, Peer Review, Creativity, Patch Management, System Requirements
Intermediate · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Storytelling, Content Creation, Editing, Detail Oriented
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Creative Problem-Solving, Brainstorming, Critical Thinking and Problem Solving, Problem Solving, Creative Thinking, Staff Management, Decision Making, Teamwork, Collaboration, Overcoming Obstacles, Leadership
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Research Design, Epidemiology, Data Collection, Biostatistics, Research Methodologies, Public Health and Disease Prevention, Regression Analysis, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Marketing Planning, Marketing Strategies, Marketing Strategy and Techniques, Strategic Marketing, Competitive Analysis, Market Analysis, Marketing, Marketing Management, Business Strategy, Market Dynamics, Target Market, Auditing, Analysis
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Real-Time Operating Systems, Software Development, Software Design, Software Architecture, Embedded Systems, Configuration Management, Systems Architecture, Application Development, Extensible Markup Language (XML)
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, PyTorch (Machine Learning Library), Image Analysis, Convolutional Neural Networks, Responsible AI, Data Ethics, Unsupervised Learning, Information Privacy, Data Synthesis
Intermediate · Course · 1 - 4 Weeks