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: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Capacity Management, Capacity Planning, Construction Engineering, Civil and Architectural Engineering, Facility Management, Civil Engineering, Engineering Plans And Specifications, Traffic Flow Optimization, Transportation Operations, Infrastructure Architecture, Building Codes, Environmental Engineering, Safety Standards, Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer Relationship Management (CRM) Software, Client Services, Relationship Building, Customer Insights
Advanced · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Other Programming Languages, Computer Programming, Programming Principles, Theoretical Computer Science, Extensible Languages and XML, Concept Of Operations
Mixed · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: AI Personalization, Applied Machine Learning, Dimensionality Reduction, Feature Engineering, Machine Learning, Model Evaluation, Algorithms, Performance Tuning
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Access, Database Design, Relational Databases, Database Management, Excel Macros, Microsoft 365, Database Development, Database Administration, Database Architecture and Administration, Data Integrity, Data Maintenance, Microsoft Windows, Databases, Microsoft Office, Data Entry, Query Languages, Data Presentation, Productivity Software, User Interface (UI), Scripting
Beginner · Specialization · 3 - 6 Months

Tsinghua University
Skills you'll gain: Data Structures, Database Design, Query Languages, Algorithms, Computer Programming
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: No-Code Development, User Centered Design, Mobile Development, Web Applications, User Interface (UI) Design, Experience Design, UI/UX Research, User Feedback, Functional Testing, Integration Testing, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electric Power Systems, Safety Standards, Safety and Security, Emerging Technologies, Control Systems, Global Positioning Systems, Environmental Issue, Computer Vision, Artificial Intelligence, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Structures, Blockchain, Programming Principles, Data Management, Secure Coding, Object Oriented Programming (OOP), Cryptography, Debugging
Intermediate · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Sustainable Design, Social Impact, Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Development, Waste Minimization, Business Ethics, Program Evaluation, Entrepreneurship, Product Lifecycle Management, Investments, Economic Development, Market Opportunities, Business Modeling, Innovation, Stakeholder Engagement
Beginner · Course · 1 - 3 Months