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.

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, Context Engineering, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Model Deployment, Data Processing, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Gemini, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Data Analysis Expressions (DAX), Customer Insights, Power BI, Data Modeling, Customer Analysis, Dashboard, Data Transformation, Dashboard Creation, Data Wrangling, Data Import/Export, Data Manipulation, Database Design, Business Intelligence, Interactive Data Visualization, Data Integration, Star Schema, Time Series Analysis and Forecasting, Data Cleansing, Relational Databases, Data Visualization Software
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Computational Thinking, Algorithms, Debugging, Java, Applied Mathematics, Programming Principles, Computer Programming, Theoretical Computer Science, Numerical Analysis, Computer Programming Tools, Mathematical Theory & Analysis, Pseudocode, Software Installation, Software Architecture, Performance Tuning, Other Programming Languages
Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Civil Engineering, Construction Engineering, Land Development, Building Information Modeling, Construction, Construction Management, Construction Inspection, Aerospace Basic Quality System Standards, Capacity Planning, Building Design, Building Services Engineering, Facility Management, Facility Repair And Maintenance, Landscape Architecture, Construction Estimating, Architectural Design, Environmental Engineering, Security Strategy, Process Analysis, Engineering Plans And Specifications
Intermediate · Specialization · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Software Architecture, Engineering Management, Goal Setting, Systems Architecture, Systems Design, Technical Management, Software Design, Smart Goals, API Design, System Design and Implementation, Technical Product Management, Cross-Functional Collaboration, Cross-Functional Team Leadership, Management Training And Development, Recruitment, Program Management, Team Performance Management, Software Engineering, Microservices, Employee Retention
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: SQL, Database Design, Database Management, Data Analysis, Relational Databases, Data Cleansing, Data Transformation, Version Control, Data Manipulation, Query Languages, AI Integrations, Analytics, GitHub, Analysis, Software Versioning, Git (Version Control System), Performance Tuning, Data Integrity
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Project Planning, Stakeholder Engagement, Conflict Management, Stakeholder Management, Planning, Project Management, Project Scoping, Work Breakdown Structure, Stakeholder Analysis, Project Documentation, Stakeholder Communications, Leadership and Management, Influencing, Organizational Structure
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, Code Reusability, Programming Principles, Application Frameworks, Data Structures, Model View Controller, Development Environment
Intermediate · Course · 1 - 4 Weeks

Indian Institute of Technology Guwahati
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Computer Graphics, 3D Modeling, Manufacturing Processes, Mechanical Design, Manufacturing and Production, Robotics, Engineering Drawings, Machine Controls, Visualization (Computer Graphics), Assembly Drawing, Prototyping, Computer Graphic Techniques, Industrial Design, Product Engineering, Production Process, Graphics Software, Process Modeling, Materials science
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Customer experience improvement, User Feedback, Customer Service, Customer experience strategy (CX), Customer Engagement, Customer Insights, Customer Analysis, Communication, Product Improvement, Continuous Improvement Process, Service Improvement, Data Collection, Surveys, Case Studies, Culture Transformation
Beginner · Course · 1 - 4 Weeks

École normale supérieure
Skills you'll gain: Theoretical Computer Science, Combinatorics, Algorithms, Graph Theory, Operations Research, Linear Algebra, Applied Mathematics, Mathematical Modeling, Solution Design, Probability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Microsoft Azure, Virtual Networking, Active Directory, Load Balancing, Cloud Management, Virtual Machines, Kubernetes, Network Monitoring, Authorization (Computing), Identity and Access Management, User Provisioning, Network Troubleshooting, Virtualization and Virtual Machines, Containerization, Network Planning And Design, Cloud Storage, Cloud Computing, Infrastructure As A Service (IaaS)
Intermediate · Specialization · 3 - 6 Months