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.

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, JSON, Software Architecture, Web Design and Development, Web Applications, Front-End Web Development, Web Development
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Injury Prevention, Public Safety and National Security, Social Justice, Public Policies, Policy Analysis, Criminal Investigation and Forensics, Public Health, Law, Regulation, and Compliance, Health Policy, Risk Analysis, Community Health, Research, Case Studies
Beginner · Course · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Power Electronics, Electrical Power, Plant Operations and Management, Electric Power Systems, Sustainable Technologies, Energy and Utilities, Semiconductors, Electronics, Electronics Engineering, Environmental Engineering, Electrical Engineering, Materials science, Physics, Engineering Calculations, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Infographics, Video Production, Content Creation, Design, Video Editing, Graphic Design, Graphic and Visual Design Software, Design Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: MySQL Workbench, Extract, Transform, Load, Data Modeling, Database Design, MySQL, Data Warehousing, Database Management, Databases, Relational Databases, Database Architecture and Administration, Advanced Analytics, Data Analysis, Data Visualization Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Animation and Game Design, Video Game Development, Animations, Scripting, Software Architecture, Augmented and Virtual Reality (AR/VR), Interactive Design, Development Environment, Object Oriented Design, C# (Programming Language), Object Oriented Programming (OOP), UI Components, 3D Assets, Virtual Environment, User Interface (UI), Artificial Intelligence, Software Development Tools, Debugging
Beginner · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, Network Engineering, Network Architecture, Scripting, Application Programming Interface (API), Data Modeling, General Networking, Network Planning And Design, Automation, Network Administration, Linux Commands, Python Programming, Network Protocols, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Philanthropy, Fundraising, Resource Utilization, Social Impact, Community Development, Program Evaluation, Lifelong Learning, Collaboration, Strategic Decision-Making, Professional Networking, Social Media, Research
Mixed · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Data Analysis, Programming Principles, Statistical Analysis, Computer Programming, Python Programming, Object Oriented Programming (OOP), Natural Language Processing, Scripting, NumPy, Algorithms, Debugging, Data Structures
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, File Systems, Cloud Computing, Operating Systems, Transaction Processing, Network Security, Data Centers, Authorization (Computing), Apache Hadoop, Data Store, Authentications, Cryptography, NoSQL, Algorithms
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Experimentation, Product Testing, Laboratory Testing, Food Quality Assurance And Control, Laboratory Experience, Food and Beverage, Consumer Behaviour, Scientific Methods, Systems Of Measurement, Case Studies, Quality Assurance, Physiology, Research Design, Science and Research, Statistical Analysis, Nutrition and Diet, Target Market, Human Factors, Anatomy, Product Development
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Land Development, Landscape Architecture, Environmental Science, Sustainable Development, Case Studies, Community Development, Public Works, Sustainable Design, Environment and Resource Management, Building Codes, Cultural Diversity
Intermediate · Course · 1 - 4 Weeks