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 California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, Object Oriented Programming (OOP), Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Software Testing, Debugging, Integration Testing, Software Design, System Design and Implementation, Distributed Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Construction Engineering, Building Codes, Structural Engineering, Structural Analysis, Engineering Analysis, Construction, Engineering Calculations, Simulation and Simulation Software, Finite Element Methods, Civil Engineering, Construction Management, Engineering Practices, Environmental Monitoring, Safety Standards, Architecture and Construction, System Monitoring, Failure Analysis, Engineering Design Process, Engineering Drawings
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: ASP.NET, Model View Controller, .NET Framework, Object-Relational Mapping, Database Management, Data Access, Full-Stack Web Development, Web Development, Web Applications, Software Architecture, Middleware, Software Design Patterns, User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe Express, Adobe Firefly, Design, Adobe Creative Cloud, Visual Design, Workflow Management, Design Elements And Principles, Graphic Design, Layout Design, Graphic and Visual Design, Collaborative Software, Photo Editing, Editing, Typography, Content Creation, Branding, Generative AI, AI Personalization, Social Media Strategy
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Spring Framework, Spring Boot
Intermediate · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Job Evaluation, Compensation Analysis, Compensation Strategy, Compensation Management, Job Analysis, Compensation and Benefits, Payroll, Human Resource Strategy, Performance Review, Data Visualization, Benchmarking, Data Analysis, Market Analysis, Diversity and Inclusion
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, Data Preprocessing, Django (Web Framework), Data Visualization, Model Evaluation, Machine Learning Methods, Feature Engineering, Programming Principles, Databases, Game Design, Development Environment, Data Science, Web Applications, Animation and Game Design, Application Frameworks, Scripting, Scripting Languages, Software Design Patterns, Functional Design, Data Validation
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Salesforce, Salesforce Development, Systems Integration, Customer Relationship Management, Customer Relationship Management (CRM) Software, Data Integration, Contract Management, AI Enablement, Responsible AI, Web Services, Business Reporting, Sales Operations, Integration Testing, Artificial Intelligence, Application Programming Interface (API), Software Design Patterns, Security Controls, Customer Data Management, Analytics, Data Security
Advanced · Specialization · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Multimodal Prompts, Generative AI, Vision Transformer (ViT), Image Analysis, Computer Vision, AI Personalization, AI Workflows
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Application Security, Open Web Application Security Project (OWASP), Security Engineering, Cybersecurity, Security Requirements Analysis, Security Testing, Vulnerability Assessments, Code Review, Software Design, Encryption, Vulnerability Management, Data Security, Cryptography, Continuous Monitoring, Authentications, Development Testing, System Monitoring, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Web Development Tools, Object Oriented Programming (OOP), Automation, Debugging
Intermediate · Course · 3 - 6 Months

Skills you'll gain: File I/O, Integrated Development Environments, System Configuration
Beginner · Course · 3 - 6 Months