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.

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AutoCAD, Electrical Wiring, Architectural Drawing, Layout Design, Electrical Systems, Safety Standards, Requirements Analysis, Basic Electrical Systems, Engineering Calculations
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Database Design, Relational Databases, SQL, Database Management, Query Languages, Database Development, Database Systems, Data Management, Databases, Data Integrity, Oracle Databases, Data Modeling, Data Analysis, Data Manipulation, Data Structures, User Accounts
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Adobe Illustrator, Document Management, File Management, Adobe Creative Cloud, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Visual Design, Cloud Storage, Workflow Management, Computer Graphic Techniques, Design Strategies, Creative Thinking, Creative Problem-Solving, Scalability
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Innovation, Education and Training, Leadership, Community Development, Empowerment, Teaching, Adult Education, Collaboration, Family Support, Professional Development, Working With Children, Relationship Building, Network Analysis
Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Digital Transformation, IT Service Management, Information Technology Infrastructure Library, Service Management, Interoperability, Business Transformation, Data Strategy, DevOps, Information Systems Security, Cybersecurity, Systems Integration, Innovation, Application Programming Interface (API), Service Design, Service Level, Organizational Strategy, Mobile Banking, Social Media, E-Commerce, Business Modeling
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: System Programming, Debugging, Secure Coding, C++ (Programming Language), Programming Principles, Software Development, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Human Computer Interaction, Web Content Accessibility Guidelines, Human Factors, Usability, Interaction Design, Prototyping, User Interface and User Experience (UI/UX) Design, User Experience Design, User Centered Design, User Interface (UI) Design, Responsive Web Design, Design Thinking, Usability Testing, Augmented and Virtual Reality (AR/VR), User Research, Wireframing, Information Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Lean Six Sigma, Lean Methodologies, Six Sigma Methodology, Quality Improvement, Process Improvement, Process Analysis, Operational Efficiency, Continuous Improvement Process, Root Cause Analysis, Waste Minimization, Pareto Chart, Standard Operating Procedure
Mixed · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Safety Standards, 3D Modeling, Industrial Engineering, Production Process, Materials science, Mechanical Design, Computer-Aided Design, Mechanical Engineering, Environment Health And Safety, Process Control, Environmental Issue, Product Development, Quality Assurance, Prototyping
Intermediate · Course · 1 - 3 Months

Lund University
Skills you'll gain: Climate Change Mitigation, Climate Change Adaptation, Environment, Sustainable Development, Energy and Utilities, Sustainable Design, Scientific Methods, Sustainable Technologies, Transportation Operations, Environmental Policy, Governance
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaborative Software, Design, Graphic and Visual Design, Graphic and Visual Design Software, Graphic Design, Data Sharing, User Accounts, Marketing
Beginner · Guided Project · Less Than 2 Hours