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.

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Hypertext Markup Language (HTML)
★ 4.2 (17) · Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Data Architecture, Salesforce, Salesforce Object Query Language (SOQL), Salesforce Development, Scalability, Data Integration, Data Migration, Data Validation, Data Quality, Data Import/Export, Enterprise Architecture, Database Architecture and Administration, Database Design, Data Modeling, Data Cleansing, Data Mapping, Data Integrity, Web Services, Governance, Simple Object Access Protocol (SOAP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Convolutional Neural Networks, Model Training, Tensorflow, Data Collection, Image Analysis, Artificial Neural Networks, Deep Learning, Computer Vision, Model Evaluation, Google Cloud Platform, Cloud Computing, Scientific Visualization
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, Network Performance Management, Network Planning And Design, Cloud Computing, Virtual Networking, Virtual Machines, Network Routing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Project Risk Management, IT Management, Project Management, Software Development Methodologies, Systems Development Life Cycle, IT Infrastructure, Software Development Life Cycle, Information Technology, Project Portfolio Management, Project Scoping, Cloud Infrastructure, Environmental Social And Corporate Governance (ESG), Risk Management, Resource Management, Security Management, Agile Methodology, Scrum (Software Development), Agile Software Development, Cloud Services, Information Technology Operations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Power Electronics, Electrical Systems, Electric Power Systems, Electrical Power, electromagnetics, Electrical Engineering, Low Voltage, Electrical Safety, Environmental Issue, Environmental Regulations, Technical Standard, Electronic Components, Sustainable Technologies, Semiconductors, Thermal Management, Interoperability, Safety Standards, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Determinants Of Health, Health Promotion, Mitigation, Blood Pressure, Nutrition Education, Public Health and Disease Prevention, Public Health, Epidemiology, Nutrition and Diet, Policy Development, Health Policy, Public Policies, Policy Analysis, Program Evaluation, Physiology, Law, Regulation, and Compliance, Cardiology, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Entry, Data Integrity, Performance Metric, Business Intelligence, Standard Operating Procedure, Vendor Management, Supplier Performance Management, Performance Review, Data Validation, Data Maintenance, Performance Reporting, Verification And Validation, Data Capture, Data Management, Data Access, Record Keeping, Procurement
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Critical Thinking and Problem Solving, Complex Problem Solving, Problem Solving, Strategic Decision-Making, Advanced Analytics, Decision Making, Critical Thinking, Data Storytelling, Strategic Thinking, Systems Thinking, Creative Problem-Solving, Storytelling, Analytical Skills, Statistical Analysis, Solution Design, Teamwork, Persuasive Communication, Business Strategy, Analysis, Business Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, LLM Application, AI Workflows, AI Orchestration, No-Code Development, Retrieval-Augmented Generation, Memory Management, Agentic systems, Application Programming Interface (API), Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Conversion Funnel Analysis, Digital Analysis, Data Collection, Data-Driven Marketing, Data Literacy, Data Quality, grep, Data Validation, Dashboard Creation, Reconciliation, Campaign Planning, Event Monitoring
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Game Theory, Java, Java Programming, Programming Principles, Performance Tuning, Computational Thinking, Theoretical Computer Science, Computer Programming, Software Design Patterns, Problem Solving, Solution Design, Applied Mathematics, Geometry
Intermediate · Specialization · 3 - 6 Months