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: Salesforce, Salesforce Development, Systems Integration, Customer Relationship Management, Customer Relationship Management (CRM) Software, Data Integration, Contract Management, AI Enablement, Responsible AI, Web Services, Business Reporting, Data Ethics, Sales Operations, Customer Analysis, AI literacy, Artificial Intelligence, Application Programming Interface (API), AI Integrations, Software Design Patterns, Data Security
Advanced · Specialization · 1 - 4 Weeks

Skills you'll gain: Cash Flow Forecasting, Business Valuation, Financial Modeling, Financial Forecasting, Revenue Forecasting, Risk Analysis, Financial Analysis, Forecasting, Investment Banking, Cash Flows, Presentations, Verification And Validation, Dashboard, Case Studies, Real Time Data
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Selling Techniques, Sales Presentations, Closing (Sales), Sustainable Business, General Sales Practices, Sales Training, Consultative Approaches, Communication Strategies, Sales, Strategic Communication, Professional Development, Verbal Communication Skills, Environmental Social And Corporate Governance (ESG), Customer Relationship Building, Solution Sales Engineering, Negotiation, Account Management, Customer Relationship Management, Lead Generation, Digital Content
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: SQL Server Reporting Services, Database Design, Microsoft Access, Microsoft Excel, Business Intelligence, Pivot Tables And Charts, Business Intelligence Software, Database Systems, Dashboard, Business Reporting, Databases, Compensation Analysis, Relational Databases, Dashboard Creation, Spreadsheet Software, Data Integrity, Data Validation, Data Visualization, Analytics, Business
Beginner · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Infrastructure Security, Vulnerability Scanning, Network Security, Amazon Web Services, Firewall, Vulnerability Assessments, Network Infrastructure, Virtual Networking, Security Controls, Cloud Security, Vulnerability Management, Endpoint Security, Network Planning And Design, Distributed Denial-Of-Service (DDoS) Attacks, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Optimization, Image Analysis, Transfer Learning, Risking, Fine-tuning, Multimodal Prompts, Model Evaluation, Technical Documentation, Data Preprocessing, Debugging, Computer Vision, PyTorch (Machine Learning Library), Feature Engineering, Tensorflow, Model Training, Embeddings, Systems Design, Ethical Standards And Conduct, Root Cause Analysis, Deep Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Accounts Payable, Accounts Payable and Receivable, Accounts Receivable, Billing & Invoicing, Invoicing, Accounting Software, Workflow Management, Payment Processing, Accounting Records, Data Entry, Business Process Automation, Tax Compliance, Document Management, Spreadsheet Software, Excel Formulas, Financial Controls, Verification And Validation
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Community Outreach, Social Justice, Community Organizing, Diversity Awareness, Advocacy, Social Impact, Diversity Equity and Inclusion Initiatives, Community Development, Cultural Diversity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Torque (Physics), Game Design, Video Game Development, Mechanics, Event-Driven Programming, Animation and Game Design, Simulation and Simulation Software, Simulations, Computer Graphics, Mathematical Modeling, Physics, Scripting, Linear Algebra, Advanced Mathematics, Mathematics and Mathematical Modeling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface (UI) Design, Journey Mapping, User Interface and User Experience (UI/UX) Design, User Experience, User Experience Design, Experience Design, User Centered Design, Customer Retention, Business Intelligence
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Large Language Modeling, Retrieval-Augmented Generation, Generative AI Agents, Generative AI, Microsoft Azure, LLM Application, Artificial Intelligence, AI Orchestration, Agentic Workflows, OpenAI, OpenAI API, AI Workflows, Natural Language Processing, Microsoft Development Tools, Computer Vision, AI Integrations, Image Analysis, Agentic systems, Model Deployment
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Amazon Bedrock, AI Security, Retrieval-Augmented Generation, Docker (Software), Prompt Engineering, GitHub Copilot, Token Optimization, Agentic Workflows, AI Orchestration, LLM Application, Debugging, Serverless Computing, Software As A Service, Model Context Protocol, Amazon Web Services, Large Language Modeling, Rust (Programming Language), Code Review, Natural Language Processing, GitHub
Beginner · Specialization · 3 - 6 Months