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.

Board Infinity
Skills you'll gain: Stress Management, Mindfulness, Personal Development, Mental Concentration, Emotional Intelligence, Self-Awareness, Collaboration, Resilience, Communication, Productivity, Professional Development, Organizational Development, Leadership Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Team Performance Management, Performance Management, Key Performance Indicators (KPIs), Performance Measurement, Employee Performance Management, Management Training And Development, Performance Metric, Performance Improvement, Human Resource Strategy, Performance Analysis, Business Metrics, Performance Review, Constructive Feedback, Organizational Strategy, Accountability, Employee Engagement, Data-Driven Decision-Making, Analytics, Continuous Improvement Process, Driving engagement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Canva (Software), Animations, Creative Design, Video Editing, Content Creation, Video Production
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Data Loss Prevention, Azure Active Directory, System Monitoring, User Accounts, Identity and Access Management, Security Management, Authorization (Computing), System Configuration, Collaborative Software, Compliance Management, Product Lifecycle Management, Windows PowerShell, Network Planning And Design, Network Troubleshooting, Technical Support and Services, Data Governance
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Android Development, Mobile Development, Real Time Data, Data Integration, UI Components, User Interface (UI), Java Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: System Programming, Distributed Computing, Scalability, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Diagram Design, Process Mapping, Data Visualization, Brainstorming, User Accounts, Collaborative Software, Project Planning, Data Analysis
Beginner · Guided Project · Less Than 2 Hours

University of Pittsburgh
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Presentation, Data Visualization, Tableau Software, Matplotlib, Geospatial Information and Technology, Spatial Analysis, Geospatial Mapping, Visualization (Computer Graphics), Seaborn, Infographics, Heat Maps, Data Ethics, Text Mining, Data Mapping, Network Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Accounting Software, Data Validation, QuickBooks (Accounting Software), Expense Management, Accounting Records, Data Entry, Verification And Validation, Financial Reporting, Productivity Software, Spreadsheet Software, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Hosting, Front-End Web Development, React.js, Javascript, Web Development Tools, Full-Stack Web Development, Web Applications, Cloud Security, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Generative AI Agents, HubSpot CRM, Sales Enablement, Customer Relationship Management (CRM) Software, Sales Process, Business Process Automation, Sales Management, Lead Generation, Workflow Management, AI Workflows, Agentic Workflows, Process Analysis, Sales, Automation, Data Entry, AI Enablement, Business Process Modeling, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Exploratory Data Analysis, Feature Engineering, Dashboard, Data Presentation, Model Evaluation, Data Visualization, Data Pipelines, Project Documentation, Solution Delivery, Amazon Web Services, Data Analysis, Data Integration, Cloud Development, Technical Documentation, Business Intelligence, Cloud Infrastructure, Technical Communication, Automation, Project Management
Beginner · Course · 1 - 3 Months