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 California, Davis
Skills you'll gain: Version Control, Hypertext Markup Language (HTML), GitHub, Git (Version Control System), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Web Design, Image Quality, Web Content, Front-End Web Development, Web Servers, Semantic Web, Cloud Hosting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Data Modeling, Data Architecture, Database Design, Data Lakes, Data Warehousing, SQL, Data Mart, Data Pipelines, Data Integrity, Semantic Web, Business Metrics, Performance Tuning, Dimensionality Reduction, Resource Utilization, Issue Tracking
Advanced · Course · 3 - 6 Months

Skills you'll gain: Fraud detection, Anomaly Detection, R Programming, Credit Risk, Applied Machine Learning, Analytical Skills, Machine Learning Methods, Threat Detection, Unsupervised Learning, Risk Analysis, Advanced Analytics, Analytics, Predictive Analytics, Data-Driven Decision-Making, Supervised Learning, Big Data
Beginner · Course · 1 - 4 Weeks

The Expert Academy
Skills you'll gain: Service Recovery, Account Management, Account Strategy, Customer experience strategy (CX), Rapport Building, Sales Strategy, Loyalty Programs, Customer Insights, Customer Relationship Management (CRM) Software, Customer Retention, Enterprise Sales, Emotional Intelligence, B2B Sales, Relationship Management, Customer Service, Customer Success Management, Communication Strategies, Stakeholder Management, Data Analysis, Strategic Planning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Email Marketing, Paid media, Target Audience, Data Storytelling, Social Media Marketing, Social Media Strategy, Content Creation, Search Engine Optimization, Marketing Budgets, Order Fulfillment, Media Planning, Search Engine Marketing, Google Ads, Social Media Management, Customer Retention, Customer Relationship Management, E-Commerce, Performance marketing, Email Automation, Marketing
Beginner · Professional Certificate · 3 - 6 Months

University of Arizona
Skills you'll gain: Integrated Marketing Communications, Persona Development, Consumer Behaviour, Marketing Psychology, Target Audience, Marketing Strategies, Strategic Marketing, Marketing, Customer Insights, Brand Strategy, Marketing Communications, Branding, Storytelling
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Probability & Statistics, Probability, Statistics, Bayesian Statistics, Statistical Methods, Statistical Modeling, Statistical Analysis, Probability Distribution, Sampling (Statistics), Sample Size Determination, Data Analysis
Mixed · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: File Management, Musical Composition, Music, Music Performance, Media Production, Music Theory, Post-Production, Creativity, Digital Signal Processing, Electronic Media, Automation, Design Software, digital literacy, Peer Review, Patch Management, Software Installation, Editing, System Configuration, System Requirements
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Brand Awareness, Branding, Brand Strategy, Style Guides, Brand Loyalty, Brand Management, Auditing, Content Strategy, Graphic and Visual Design, Stakeholder Communications, Marketing Management, Case Studies, Report Writing, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Mobile Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, User Story, Android Development, UI Components, Cross Platform Development, JSON, Flutter (Software)
Beginner · Specialization · 3 - 6 Months

O.P. Jindal Global University
Skills you'll gain: Correlation Analysis, Research Design, Psychology, Regression Analysis, Social Sciences, Mental Health Diseases and Disorders, Cognitive Behavioral Therapy, Social Skills, Statistical Methods, Interpersonal Communications, Statistical Hypothesis Testing, Scientific Methods, Research Methodologies, Decision Making, Analysis, Research, Physiology, Personal Development, Emotional Intelligence, Mental Health
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: Data Persistence, Debugging
Intermediate · Course · 1 - 3 Months