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.

Arizona State University
Skills you'll gain: Creative Thinking, Creative Problem-Solving, Brainstorming, Curiosity, Ingenuity, Problem Solving, Ideation, Independent Thinking, Critical Thinking and Problem Solving, Design Thinking, Innovation, Collaboration, Discussion Facilitation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Robotic Process Automation, Email Automation, Business Process Automation, Automation, Transaction Processing, Web Applications, Software Architecture, Maintainability, Data Import/Export, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, MLOps (Machine Learning Operations), Application Performance Management, Site Reliability Engineering, Testability, Continuous Monitoring, Maintainability, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Surveys, Market Research, Survey Creation, Data Synthesis, Business Research, Data-Driven Decision-Making, Customer Insights, Research Methodologies, Consumer Behaviour, Research Design, Product Development, Data Presentation, Product Strategy, Data Analysis, Data Collection, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Big Data, SQL, Test Case, Apache Hadoop, Analytics, Data Analysis, Query Languages, Databases, Relational Databases, Data Manipulation, Apache, Metadata Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Responsible AI, Authorization (Computing), JSON, VPN Clients
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Magnetic Resonance Imaging, Medical Imaging, Radiology, Research Design, Image Analysis, Experimentation, Neurology, Data Preprocessing, Science and Research, Statistical Analysis, Statistical Modeling, Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, AI Orchestration, Tool Calling, Generative AI, Gemini, Artificial Intelligence, Google Gemini, Retrieval-Augmented Generation, Embeddings, Workflow Management, Python Programming, Data Validation
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Customer Engagement, Digital Marketing, Marketing Strategy and Techniques, MarTech, Social Media Marketing, Loyalty Programs, Consumer Behaviour, Marketing Communications, Customer experience strategy (CX), Content Creation, Content Strategy, Marketing Psychology, Search Engine Optimization, Paid media, Artificial Intelligence, Analytics, Generative AI, Data Analysis, Data Visualization, Data Collection
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Data Quality, Database Design, SQL, Data Integrity, Verification And Validation, Unit Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Electronic Components, Swift Programming, Basic Electrical Systems, Internet Of Things, Apple iOS, Electronics, PIC Microcontrollers, Embedded Software, Test Equipment, Mobile Development, Hardware Troubleshooting, Programming Principles, Electrical Engineering, Embedded Systems, Hardware Design, Wireless Networks, Application Development, Interactive Design, Prototyping, Debugging
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Content Strategy, Web Content, Auditing, Report Writing, Analysis
Beginner · Course · 1 - 4 Weeks