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.

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Restful API, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Instagram, TikTok, Debugging, Keyword Research, Podcasting, Video Production, Vibe coding, Prototyping, Social Media Content, Social Media Marketing, Social Media, Search Engine Optimization, Social Media Strategy, Copywriting, Mobile Development, Business Planning, Content Marketing, Mobile Development Tools, Case Studies, Other Mobile Programming Languages
Beginner · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), Content Management Systems, Web Design, User Centered Design, Usability, Cybersecurity, Cyber Attacks, Security Awareness, WordPress, Web Development, Semantic Web, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines
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

Workday
Skills you'll gain: Workday (Software), No-Code Development, Branding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Performance Tuning, Scalability, Data Pipelines, Real Time Data, Distributed Computing, System Monitoring, Debugging, Data Processing, Query Languages, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Reporting, Profit and Loss (P&L) Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Estate Planning, Portfolio Risk, Wealth Management, Risk Management, Portfolio Management, Investment Management, Tax Planning, Financial Planning, Asset Management, Risk Appetite, Personalized Service, Tax, Financial Analysis, Behavioral Economics, Financial Modeling, Simulation and Simulation Software
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Customer Retention, Sales Strategy, Upselling, Customer Acquisition Management, Revenue Management, Telecommuting, Growth Strategies, Entrepreneurship, Search Engine Optimization, Self-Starter, Copywriting, Branding
Mixed · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, AI Workflows, AI Orchestration, Salesforce, Agentic Workflows, Generative AI Agents, AI Enablement, Agentic systems, Responsible AI, Artificial Intelligence, Workflow Management, AI Security, Performance Testing, Data Governance, Enterprise Architecture, Business Logic, Customer Relationship Management (CRM) Software, Model Evaluation, Application Lifecycle Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Pipelines, Scalability, Feature Engineering, Extract, Transform, Load, Workflow Management, AI Workflows, Data Integration, Database Design, Data Modeling, Data Architecture, Data Quality, Data Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Tool Calling, Code Review, Maintainability, AI Workflows, Generative AI, Software Documentation, JSON, Persona Development, Git (Version Control System), Debugging, Development Testing, Data Management
Advanced · Course · 1 - 4 Weeks