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.

Board Infinity
Skills you'll gain: Usability Testing, Usability, Human Centered Design, Software Testing, Surveys, User Experience Design, Software Quality (SQA/SQC), Survey Creation, Test Planning, Technical Communication, UI/UX Research, Quality Assurance, User Research, Verification And Validation, User Centered Design, Web Content Accessibility Guidelines, Report Writing, User Experience, Risk Management Framework, Stakeholder Engagement
★ 3.1 (10) · Advanced · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Information Architecture, User Experience, UI/UX Research, User Experience Design, Persona (User Experience), Design Research, UI/UX Strategy, Experience Design, Solution Design, User Centered Design, Usability Testing, Persona Development, Usability, Qualitative Research, Interviewing Skills, Content Creation, Storytelling
Intermediate · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Digital Signal Processing, Musical Composition, Electronic Hardware, Music, Electronic Components, Electronics, Music Theory, Digital Communications, Hardware Design, Patch Management, Embedded Systems, System Configuration, Algorithms, Performance Tuning, Music Performance, Dataflow, Data Sharing, Creative Design, Programming Principles, Other Programming Languages
★ 4.7 (59) · Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Ajax, Javascript, Object Oriented Programming (OOP), JavaScript Frameworks, Frontend Integration, Application Programming Interface (API), JSON, Front-End Web Development, Web Development, Full-Stack Web Development, Web Applications, Frontend Performance, Web Development Tools, Object Oriented Design, Application Development, Build Tools, Program Development, Code Reusability, Debugging, Development Environment
Beginner · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Dataflow, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Data Pipelines, Software Design Patterns, Software Design, Functional Design, Cloud Computing
★ 3.9 (31) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Customer Service, Customer experience improvement, Service Design, Loyalty Programs, Customer Analysis, Process Mapping, Customer Insights, Customer Relationship Management, Process Design, Journey Mapping, Customer Engagement, Customer Support, Cross-Channel Marketing, Business Process, Integrated Marketing Communications, Customer Retention, Marketing
★ 4.5 (42) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Software Development Life Cycle, Systems Development Life Cycle, Google Cloud Platform, Development Testing, AI Integrations, Application Development, Test Case, Query Languages, Debugging
★ 4.9 (15) · Beginner · Course · 1 - 4 Weeks
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AI Workflows, Agentic Workflows, Generative AI Agents, Generative AI, Amazon Web Services, AI Orchestration, Solution Architecture, AI Integrations, Artificial Intelligence, Data Quality, Model Optimization, Computer Vision, Fine-tuning, Scalability, Data Pipelines, Natural Language Processing
★ 4.6 (24) · Beginner · Course · 1 - 4 Weeks

IIMA - IIM Ahmedabad
Skills you'll gain: Diversity and Inclusion, Stakeholder Management, Organizational Structure, Organizational Leadership, Organizational Effectiveness, Organizational Development, Culture Transformation, Diversity Awareness, Workforce Development, Organizational Strategy, Organizational Change, Strategic Leadership, Business Transformation, Stakeholder Engagement, Human Resource Strategy, Stakeholder Analysis, Workforce Planning, Workforce Management, Innovation, Change Management
★ 4.7 (12) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: User Interface (UI), Embedded Software, Embedded Systems, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Usability, Interaction Design, Real-Time Operating Systems, Hypertext Markup Language (HTML), Internet Of Things, jQuery, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML)
★ 3.7 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Instagram, Creative Design, Social Media Content, Content Creation, Digital Design, Graphic Design, Graphic and Visual Design, Design Elements And Principles, Design, Design Software, Real Estate
★ 4.1 (34) · Beginner · Guided Project · Less Than 2 Hours

University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, Object Oriented Design, Object Oriented Programming (OOP), Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Software Testing, Code Reusability, Graph Theory
Intermediate · Course · 1 - 3 Months