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.

Alex Genadinik
Skills you'll gain: Business Development, B2B Sales, Strategic Partnership, Negotiation, Proposal Writing, Price Negotiation, Contract Negotiation, New Business Development, Consultative Selling, Selling Techniques, Inside Sales, Phone Sales, Sales Development, Sales, Non-Verbal Communication, Marketing Psychology, Search Engine Optimization, Sales Prospecting, Relationship Building, Telephone Skills
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Data Analysis, Relational Databases, Data Transformation
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, Cascading Style Sheets (CSS), GitHub, C# (Programming Language), HTML and CSS, Azure DevOps, Load Balancing, Continuous Integration, Git (Version Control System), Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Full-Stack Web Development, Web Development, SQL, Microsoft Copilot, .NET Framework, Graph Theory
Beginner · Professional Certificate · 3 - 6 Months

Duke University
Skills you'll gain: Programming Principles, Algorithms, C (Programming Language), Computer Programming, Software Engineering, Problem Solving, Solution Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sampling (Statistics), Logistic Regression, SAS (Software), Predictive Analytics, Automation, Data Integration, Advanced Analytics, Debugging, Statistical Programming, SQL, Statistical Methods, Report Writing, Data Manipulation, Model Evaluation, Data Analysis, Statistical Reporting, Data Access, Microsoft Excel, Analysis, Finance
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Lead Generation, Search Engine Optimization, Customer Acquisition Management, Account Strategy, Keyword Research, Outbound Calls, Sales Prospecting, Upselling, Web Analytics and SEO, B2B Sales, Sales Strategy, Marketing, Marketing Strategies, Content Marketing, Target Market, Content Creation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Hypothesis Testing, AI Workflows, LangChain, Generative AI Agents, CrewAI, Statistical Methods, Statistical Analysis, Data Transformation, Agentic systems, Statistical Inference, Business Intelligence, Performance Testing, Key Performance Indicators (KPIs), Data-Driven Decision-Making, Performance Metric, Descriptive Analytics, Business Metrics, Data Analysis, Correlation Analysis, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Bioinformatics, Data Structures, Jupyter, Python Programming, Programming Principles, Object Oriented Programming (OOP), File I/O, Computational Logic, Package and Software Management, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, ChatGPT, Generative AI Agents, Prompt Patterns, Anthropic Claude, Prompt Engineering Tools, LLM Application, Productivity, Multimodal Prompts, OpenAI, Debugging, TypeScript, OpenAI API, AI Enablement, Agentic systems, AI Orchestration, Version Control, AI Workflows, Generative AI
Beginner · Specialization · 3 - 6 Months

Tableau Learning Partner
Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Requirements Elicitation, Data Presentation, Data Governance, Data Ethics, Tableau Software, Business Analysis, Data Literacy, Data Visualization, Data Preprocessing, Data Visualization Software, Data Warehousing, Business Metrics, Dashboard, Extract, Transform, Load, Data Analysis, Spatial Data Analysis, Interactive Data Visualization, Data Management
Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Key Performance Indicators (KPIs), Bookkeeping, Financial Forecasting, Budget Management, Financial Statement Analysis, Revenue Forecasting, Market Liquidity, Market Dynamics, Capital Budgeting, Operating Budget, Financial Analysis, Process Improvement, Financial Data, Variance Analysis, Predictive Analytics, Data-Driven Decision-Making, Financial Modeling, Financial Reporting, Process Optimization, Data Visualization
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Apache Kafka, Real Time Data, Apache Spark, Dashboard, PySpark, Data Pipelines, Business Intelligence, Data Persistence, JSON, Continuous Monitoring, Business Metrics, Data Integrity, Scalability
Intermediate · Course · 1 - 4 Weeks