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.

American Council on Exercise
Skills you'll gain: Exercise Science, Nutrition and Diet, Nutrition Education, Kinesiology, Safety Assurance, Health Education, Injury Prevention, Health And Wellness Coaching, Anatomy, Physiology, Coaching, Emergency Response, Goal Setting
★ 4.2 (9) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Peer Review, Financial Management, Financial Modeling, Financial Data, Financial Statement Analysis, Financial Analysis, Data Storytelling, Mergers & Acquisitions, Investments, Business Valuation, Return On Investment, Case Studies, Risk Management, Corporate Strategy
★ 4.6 (138) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Frontend Integration, CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Cloud-Native Computing, Scalability, Software Documentation, Application Deployment, Java, API Design, Java Programming, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), React.js
★ 3.7 (22) · Intermediate · Specialization · 1 - 3 Months

University of London
Skills you'll gain: Pandas (Python Package), NumPy, Probability & Statistics, Unsupervised Learning, Applied Machine Learning, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Jupyter, Machine Learning Algorithms, Data Manipulation, Descriptive Statistics, Plot (Graphics), Data Processing, Data Visualization Software, Python Programming, Machine Learning
★ 4.5 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), Restful API, Apple iOS, iOS Development, JSON, Swift Programming, Application Programming Interface (API), Data Import/Export, Mobile Development, Application Development, Data Persistence, Authentications
★ 4 (52) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Deployment, LLM Application, LangChain, Large Language Modeling, Microservices, Test Driven Development (TDD), Software Architecture, Scalability, MLOps (Machine Learning Operations), Cloud Deployment, Cloud Computing Architecture, API Design, Site Reliability Engineering, Kubernetes, Prompt Engineering, Containerization, Infrastructure as Code (IaC), Python Programming, Performance Analysis
Intermediate · Specialization · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Salesforce, Salesforce Development, Data Security, Data Access, Customer Relationship Management (CRM) Software, Security Controls, Customer Engagement, Role-Based Access Control (RBAC), Customer Service, Data Maintenance, Business Reporting, Data Management, Personalized Service, Workflow Management, Process Development, Process Design, Lead Generation, Business Process Automation, Cloud Computing, Automation
★ 4.6 (32) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Analysis Expressions (DAX), Data Ethics, Data Modeling, Data Governance, Data Architecture, Database Design, Power BI, Data Management, General Data Protection Regulation (GDPR), Data Warehousing, Star Schema, Personally Identifiable Information, Information Privacy, Data Visualization Software, Data Security, Data Integrity, Snowflake Schema, Relational Databases, Data Quality, Extract, Transform, Load
★ 4.7 (23) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, Database Design, MySQL, Database Development, Relational Databases, Database Management, Databases, Database Management Systems, SQL, Data Modeling, Diagram Design, Query Languages, Data Import/Export
★ 4.6 (62) · Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Sensory Systems Analysis, Experimentation, Product Testing, Acceptance Testing, Laboratory Testing, Laboratory Research, Laboratory Experience, Laboratory Procedures, Case Studies, Research Design, Analysis, Data Collection, Research Reports, Data Analysis, Recruitment
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HVAC, Building Services Engineering, Building Codes, Thermal Management, Energy and Utilities, Engineering, Scientific, and Technical Instruments, System Requirements, Process Control, Control Systems, Safety Standards, Equipment Design, Mechanical Engineering, Environmental Monitoring, Mechanical Design, Sustainability Standards, Engineering Calculations
★ 4.8 (36) · Intermediate · Course · 1 - 4 Weeks

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