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 Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Differentiated Instruction, Education and Training, Diversity Awareness, Cultural Diversity, Digital pedagogy, Special Education, Human Learning, Teaching, Pedagogy, Higher Education, Student-Centred Learning, Instructional Strategies, Social Justice, Socioeconomics
★ 4.5 (36) · Mixed · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
★ 4.5 (13) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, OpenAI API, Model Deployment, OpenAI, AI Integrations, Tool Calling, LLM Application, Enterprise Application Management, OAuth, Model Context Protocol, Prompt Engineering, Performance Tuning, Real Time Data, Interoperability, Prompt Patterns, Application Deployment
★ 3.8 (9) · Intermediate · Professional Certificate · 3 - 6 Months

University of Washington
Skills you'll gain: Decision Intelligence, Data Storytelling, Model Training, Automation, Decision Support Systems, AI Product Strategy, Artificial Intelligence, Machine Learning, Innovation, Algorithms, Analysis
★ 4.7 (47) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI powered creativity, Visual Storytelling, Intellectual Property, Ideation, Brand Strategy, Adobe Express, Adobe Firefly, Target Audience, Creative Thinking, Branding, Creativity, Graphic Design, Entrepreneurship, Design, Adobe Photoshop, Adobe Illustrator, Business Strategy, Artificial Intelligence, Communication, Digital Marketing
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Software Testing, Test Case, Software Development Life Cycle, Software Quality Assurance, White-Box Testing
★ 4.6 (27) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
★ 4.5 (13) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Videography, Photo/Video Production and Technology, Video Production, Cinematography, Visual Storytelling, Media Production, Storytelling, Editing, Design Elements And Principles
★ 4.8 (39) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Access, Data Analysis, Relational Databases, Databases
★ 3.6 (7) · Beginner · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Teaching, Educational Materials, Differentiated Instruction, Diversity Awareness, Instructional and Curriculum Design, Curriculum Planning, Pedagogy, Cultural Diversity, Curriculum Development, Lesson Planning, Program Evaluation, K-12 pedagogy, Instructional Strategies, Student-Centred Learning
★ 4.9 (234) · Beginner · Course · 1 - 4 Weeks

Scrum Alliance
Skills you'll gain: Prompt Engineering, User Story, Responsible AI, Business Metrics, Agile Product Development, Performance Metric, Performance Measurement, Prompt Engineering Tools, Data-Driven Decision-Making, Data Storytelling, Team Building, AI Workflows, Team Oriented, Team Performance Management, Product Planning, Brainstorming, AI powered creativity, Agile Project Management, Agile Methodology, Project Management
★ 4 (14) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Design Elements And Principles, Graphic and Visual Design, Content Creation, Graphical Tools, Creative Design, Graphics Software, Graphic and Visual Design Software, Design, Graphic Design
★ 4.7 (15) · Beginner · Guided Project · Less Than 2 Hours