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.

University of Minnesota
Skills you'll gain: Dimensionality Reduction, NumPy, Linear Algebra, Numerical Analysis, Statistical Methods, Regression Analysis, Mathematical Modeling, Applied Mathematics, Solution Design, Applied Machine Learning, Data Manipulation, Algorithms, Python Programming
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), PostgreSQL, API Design, Scalability, Application Frameworks, JSON, Full-Stack Web Development, Frontend Performance, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Key Performance Indicators (KPIs), Power BI, Dashboard, Data Visualization, Interactive Data Visualization, Data Storytelling, Data Presentation, Business Metrics, Performance Analysis, Data Visualization Software, Data Import/Export, Business Intelligence, Regional Sales, Sales Presentation
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Product Roadmaps, Cross-Functional Collaboration, Product Development, Cross-Functional Team Leadership, Team Building, Collaboration, Meeting Facilitation, Teamwork, Empathy, Team Management, Team Motivation, Cooperation, Personal Development, Product Management, Team Leadership, Strategic Leadership, Discussion Facilitation, Self-Awareness, Leadership, Conflict Management
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Concision, Grant Writing, Sample Size Determination, Grant Applications, Proposal Writing, Biostatistics, Writing, Clinical Research Ethics, Editing, Statistical Analysis, Healthcare Ethics, Persuasive Communication, Data Analysis, Clinical Research, Statistical Methods, Medical Science and Research, Research Design, Planning, Science and Research, Growth Mindedness
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microarchitecture, Computer Architecture, Embedded Systems, Hardware Architecture, System Requirements, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
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

L&T EduTech
Skills you'll gain: Equipment Design, Manufacturing Processes, Hydraulics, Manufacturing Operations, Chemical Engineering, Production Process, Process Engineering, Control Systems, Manufacturing Standards, Automation, Mechanical Engineering, Internet Of Things, Materials science, Quality Assurance, Safety Standards, Petroleum Industry, Engineering Practices, Technical Standard, Maintenance, Repair, and Facility Services, Thermal Management
Intermediate · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Microsoft Excel, Data Security
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apple iOS, iOS Development, Transaction Processing, Mobile Development, User Interface (UI), UI Components, Payment Systems, User Experience Design, User Experience
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media, Multimedia, Marketing Design, Content Creation, Graphic and Visual Design, Animations, Editing, Marketing, Presentations
Beginner · Guided Project · Less Than 2 Hours