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 Pennsylvania
Skills you'll gain: Research, Positivity, Psychological Evaluations, Science and Research, Research Design, Psychosocial Assessments, Mental Health Diseases and Disorders, Self-Awareness, Personal Development, Experimentation, Mental Health, Needs Assessment
★ 4.8 (934) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Data Visualization, Tableau Software, Data Storytelling, Data Visualization Software, Geospatial Information and Technology, Spatial Data Analysis, Dashboard, Time Series Analysis and Forecasting, Advanced Analytics, R Programming, Business Intelligence, Data Mapping, Data Modeling, Performance Reporting, Key Performance Indicators (KPIs), Operational Performance Management, Python Programming, Interaction Design, Requirements Elicitation, Version Control
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, Hypertext Markup Language (HTML), HTML and CSS, Mockups, Web Design and Development, Web Development, Web Design, Cascading Style Sheets (CSS), Web Development Tools
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Design, Stored Procedure, Microsoft SQL Servers, Transact-SQL, Database Management, Operational Databases, Database Development, Relational Databases, Database Architecture and Administration, SQL, Transaction Processing, Process Driven Development, Visual Basic (Programming Language), Data Management, Data Integrity, Debugging, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Security, Data Governance, User Provisioning, Data Management, Data Security, Azure Active Directory, Cloud Development, Cloud Applications, Application Security, Identity and Access Management, Key Management, Security Controls, Encryption
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Cloud Deployment, Google App Engine, CI/CD, Application Deployment, Cloud Infrastructure, API Design, Restful API, Google Cloud Platform, Cloud Computing Architecture, Service Level, Cloud Applications, Cloud Engineering, DevOps, Devops Tools, Kubernetes, Site Reliability Engineering, Application Programming Interface (API), Cloud Computing, Network Architecture
Advanced · Course · 1 - 3 Months

Skills you'll gain: Application Development, Mobile Development Tools, iOS Development, User Interface and User Experience (UI/UX) Design, Application Design, Information Architecture, Cross Platform Development, Interaction Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PostgreSQL, Relational Databases, Database Design, Database Development, Database Management, SQL, Database Management Systems, Data Integrity, Query Languages, Business Intelligence, People Analytics, Analytics, Data Analysis, Transaction Processing, Data Manipulation, Data Validation, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Responsive Web Design, User Experience Design, User Interface and User Experience (UI/UX) Design, Layout Design, User Interface (UI) Design, Web Design, Typography, Usability, E-Commerce, User Interface (UI), User Experience, Design Elements And Principles, Prototyping, UI Components
★ 4.3 (33) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Test Planning, Statistical Methods, Statistical Analysis, Data Literacy, Financial Analysis, Statistics, Financial Acumen, Statistical Inference, Performance Measurement, Risk Analysis, Performance Metric, Spreadsheet Software, Decision Making, Project Documentation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface and User Experience (UI/UX) Design, Interactive Design, Usability, Prototyping, User Interface (UI) Design, Figma (Design Software), Interaction Design, UI Components, Usability Testing
★ 4.4 (10) · Intermediate · Guided Project · Less Than 2 Hours