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.

Skills you'll gain: Microservices, Cloud-Native Computing, Google Cloud Platform, Cloud Applications, Software Architecture, Cloud Development, Event-Driven Programming, Cloud-Based Integration, Serverless Computing, Service Oriented Architecture
★ 4.6 (10) · Beginner · 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

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Javascript, Web Applications, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Vibrations, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Integral Calculus, Applied Mathematics, Differential Equations, Calculus
★ 4.7 (47) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Design, Promotional Materials, Marketing Materials, Advertising, Graphic Design, Google Workspace, Marketing, User Accounts
★ 4 (8) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: AI Enablement, Workforce Management, Human Resources Management and Planning, Human Resource Strategy, Workforce Development, Workforce Planning, Responsible AI, Resource Management, Performance Improvement, Employee Performance Management, Strategic Decision-Making, Data-Driven Decision-Making, AI Integrations, Process Optimization, Strategic Planning, Business Ethics, Ethical Standards And Conduct
★ 4.8 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Data Maintenance, Network Architecture, Cloud Infrastructure, Data Storage, Network Infrastructure, Scalability, Issue Tracking, Public Cloud, General Networking, Network Monitoring, Data Security, Serverless Computing, Network Planning And Design, Network Security, Authentications, Infrastructure Security, Authorization (Computing), Data Loss Prevention, Remote Access Systems
★ 4 (23) · Intermediate · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: UI Components, Interactive Design, User Interface (UI), User Interface (UI) Design, Event-Driven Programming, Application Design, Development Environment, Application Development, Web Applications, Application Frameworks, Software Installation, Python Programming, Web Frameworks
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computer Vision, Image Analysis, Artificial Neural Networks, Convolutional Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Computational Thinking, Psychology, Human Factors
★ 4.4 (67) · Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Surveys, Survey Creation, Interviewing Skills, Statistical Analysis, Research Methodologies, Research, Science and Research, Data Cleansing, Data Collection, Research Design, Scientific Methods, Social Sciences, Case Studies, Qualitative Research, Research Reports, Report Writing
★ 4.9 (25) · Mixed · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Java Programming, Java, Memory Management, Object Oriented Design, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Computational Logic, API Design, Data Structures
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Prototyping, Industrial Design, Functional Design, Manufacturing Processes, Cost Estimation, Materials science, Process Development, Production Process, Electronics, Electronic Components
★ 4.7 (30) · Beginner · Course · 1 - 4 Weeks