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.

Coursera
Skills you'll gain: AI Security, Threat Modeling, IT Security Architecture, Security Engineering, Security Architecture Review, Security Requirements Analysis, Threat Management, Data Flow Diagrams (DFDs), Security Controls, Data Security, Key Management, Cloud Management, Software Documentation, Managed Services, Risk Analysis, Authentications, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Management Systems, Cloud Computing Architecture, Data Import/Export, Data Mapping, Data Strategy, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Accounting Software, Process Design, Workflow Management, Accounts Payable, Generally Accepted Accounting Principles (GAAP), General Accounting, Accounting Records, Standard Accounting Practices, Accounting Systems, Process Mapping, Month End Closing, Business Workflow Analysis, Ledgers (Accounting), Business Writing, Accounting, Bookkeeping, Financial Accounting, Financial Auditing, Financial Forecasting, Financial Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Dashboard Creation, Generative AI, Dependency Analysis, Dashboard, Application Deployment, Continuous Deployment, Model Training, Responsible AI, Site Reliability Engineering, Release Management, Kubernetes, Application Performance Management, CI/CD, Performance Analysis, Continuous Monitoring, Automation, Cloud Platforms, Data-Driven Decision-Making
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Generative AI, A/B Testing, Generative AI Agents, Web Content, Content Management, Campaign Management, Content Optimization, Branding, Text Mining
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Market Trend, Risk Management, Financial Trading, Trend Analysis, Risk Analysis, Market Dynamics, Market Analysis, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Back-End Web Development, Apache, Front-End Web Development, Web Design and Development, PHP (Scripting Language), Application Servers, HTML and CSS, Web Applications, Full-Stack Web Development, Web Development, Web Design, Email Automation, Development Testing, User Interface (UI) Design, Code Reusability, Web Analytics and SEO, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: UI Components, Frontend Integration, Email Automation, Code Reusability, Web Language, Payment Systems, Cascading Style Sheets (CSS), Webhook Security, Front-End Web Development, HTML and CSS, Application Deployment, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Data Mapping, Simple Object Access Protocol (SOAP), Restful API, Business Logic, Software Technical Review, Application Programming Interface (API), System Monitoring, Application Performance Management, Security Architecture Review, Data Integration, Enterprise Application Management, Software Architecture, Business Process Automation, Maintainability, Performance Tuning, Scalability, Debugging, Application Security, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Markov Model, Engineering Analysis, Mathematical Modeling, Failure Analysis, Electrical and Computer Engineering, Biological Engineering, Process Modeling, Hazard Analysis, Simulations, Verification And Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Excel Formulas, Financial Modeling, Reconciliation, Microsoft Excel, Financial Statements, Financial Reporting, Financial Statement Analysis, Balance Sheet, Financial Data, Verification And Validation, Spreadsheet Software, Profit and Loss (P&L) Management, Financial Analysis, Cash Flows, Income Statement, Automation
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Visio, Diagram Design, Process Flow Diagrams, Visual Basic (Programming Language), Schematic Diagrams, Microsoft Development Tools, Visual Design, Technical Drawing, Engineering Drawings, Data Mapping, Workflow Management, Drafting and Engineering Design, Design Software, Technical Communication, Collaborative Software, Graphic and Visual Design Software, Graphic and Visual Design, Data Sharing, Graphic Design
Mixed · Course · 1 - 3 Months