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.

Fractal Analytics
Skills you'll gain: Database Design, Data Manipulation, SQL, Relational Databases, Database Management, Data Analysis, Data Cleansing, Databases, Query Languages, Case Studies, MySQL Workbench
★ 4.5 (57) · Beginner · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Data-Driven Marketing, Marketing Analytics, Brand Management, Data-Driven Decision-Making, Marketing Management, Product Management, Strategic Marketing, Integrated Marketing Communications, Brand Strategy, Marketing, Product Planning, Marketing Strategies, Marketing Communications, Marketing Channel, Strategic Decision-Making, Marketing Effectiveness, Promotional Strategies, Marketing Planning, Product Strategy, Presentations
★ 4.6 (132) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, electromagnetics, Image Quality, Engineering Calculations, System Requirements, Simulation and Simulation Software, Design Software, Systems Design, System Design and Implementation, Graphical Tools, Applied Mathematics, Physics, Spatial Analysis
★ 4.2 (63) · Advanced · Course · 1 - 3 Months

Skills you'll gain: WordPress, Web Design, Web Analytics and SEO, Content Management Systems, Web Content, Frontend Performance, Cloud Hosting, Web Servers, Web Development, Security Controls, Content Management, Application Security, Computing Platforms, Software Installation, Role-Based Access Control (RBAC), User Accounts
★ 4.4 (34) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Data Warehousing, Extract, Transform, Load, Microsoft SQL Servers, Performance Tuning, Data Pipelines, Cloud Computing Architecture, Business Intelligence, Real Time Data, Apache Hadoop, Cloud Infrastructure, Data Modeling, Database Design, Data Quality, Responsible AI, Apache Spark, SQL, Generative AI, Data Governance, Quality Management
★ 4.4 (98) · Intermediate · Specialization · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Feature Engineering, Data Wrangling, Exploratory Data Analysis, Matplotlib, Statistical Analysis, Plot (Graphics), Data Preprocessing, Statistical Methods, Seaborn, Data Science, Data Visualization Software, Data Manipulation, Data Processing, Data Cleansing, Data Analysis, Pandas (Python Package), Data Transformation, Descriptive Statistics, Correlation Analysis, Statistical Hypothesis Testing
★ 4.1 (133) · Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Shop Drawing, Construction, Structural Engineering, Building Codes, Drafting and Engineering Design, Structural Analysis, Construction Inspection, Building Design, Construction Engineering, Manufacturing Processes, Engineering Practices, Civil Engineering, Production Process, Engineering Tolerance, Architecture and Construction, Verification And Validation, Engineering Software, Engineering Design Process, Civil and Architectural Engineering, Commercial Construction
★ 4.7 (15) · Advanced · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Pharmacology, Healthcare Industry Knowledge, Pharmaceuticals, Medical Science and Research, Medication Administration, Research, Substance Abuse, Clinical Research, Mental and Behavioral Health, Patient Safety, Public Health, Health Policy, Public Health and Disease Prevention, Science and Research, Epidemiology, Public Policies, Research Design, Law, Regulation, and Compliance, Risk Analysis, Biology
★ 4.8 (347) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Generative Model Architectures, Database Design, Data Pipelines, Query Languages, Extract, Transform, Load, Responsible AI, Data Warehousing, Data Ethics, Data Infrastructure, Data Architecture, Data Mining, Data Synthesis, Data Analysis, Data Quality, Convolutional Neural Networks
★ 4.6 (60) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer experience improvement, User Feedback, Customer Service, Customer experience strategy (CX), Customer Engagement, Customer Insights, Customer Analysis, Customer Relationship Building, Personalized Service, Customer Data Management, Communication, Product Improvement, Continuous Improvement Process, Service Improvement, Case Studies, Culture Transformation
★ 4.8 (156) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Data Collection, Surveys, Survey Creation, Quantitative Research, Statistical Methods, Statistical Analysis, Statistical Software, Probability & Statistics, Probability, Statistical Inference, Network Analysis, Research Design
★ 4.3 (110) · Beginner · Course · 1 - 3 Months