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.

O.P. Jindal Global University
Skills you'll gain: Psychology, Research, Research Design, Scientific Methods, Research Methodologies, Human Learning, Sensory Systems Analysis, Culture, Decision Intelligence, Experimentation, Case Studies, Learning Strategies
Beginner · Course · 3 - 6 Months

Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, LangGraph, AI Workflows, Large Language Modeling, AI Orchestration, Responsible AI, Generative AI, Token Optimization, Agentic systems, Prompt Engineering, Generative AI Agents, Natural Language Processing, Cloud Development, Application Programming Interface (API), Python Programming, Application Deployment, Data Processing, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Prompt Engineering Tools, Prompt Patterns, Generative AI Agents, AI Workflows, AI powered creativity, Vibe coding, Data Ethics, Artificial Intelligence, AI Personalization, Ideation, Code Review, Automation, Productivity, Problem Solving, Debugging, Computer Programming Tools
★ 2.4 (9) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Inventory and Warehousing, Inventory Management, Warehousing, Inventory Control Systems, Inventory Control, Materials Management, Warehouse Operations, Warehouse Management, Inventory Management System, Inventory Accounting, Supply Chain Systems, Logistics Management, Order Management, Order Fulfillment, Reverse Logistics, Order Processing, Cost Accounting
★ 4.3 (14) · Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Literacy, Data Storytelling, Scientific Visualization, Visualization (Computer Graphics), Data Presentation, Data Visualization, Cinematography, Data Visualization Software, Spatial Data Analysis, Computer Graphics, Graphics Software, 3D Modeling, Post-Production, Color Theory
Beginner · Course · 1 - 3 Months

Skills you'll gain: NumPy, Descriptive Statistics, Model Evaluation, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Statistical Programming, Histogram, Statistical Analysis, Database Application, Database Software, Python Programming
★ 4.6 (38) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Version Control, Git (Version Control System), Selenium (Software), Test Automation, Jenkins, Test Script Development, Software Versioning, Continuous Integration, Test Tools, Continuous Delivery, Test Data, Test Case, Software Testing, CI/CD, Code Reusability, Command-Line Interface, File I/O
★ 4.8 (6) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Point of Sale, Order Delivery, Shipping and Receiving, Logistics Management, Customer experience strategy (CX), Process Optimization
★ 4.9 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Real Time Data, Data Pipelines, Data Transformation, Data Integration, Data Processing, Extract, Transform, Load, Power BI, PySpark, Apache Spark, Data Quality, Data Store, Data Governance, Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Drawing, Engineering Documentation, Mechanical Drawings, Engineering Drawings, Computer-Aided Design
★ 4.9 (16) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Storytelling, Infographics, Data Visualization, Visual Storytelling, Storytelling, Diagram Design, Data Analysis, Graphic and Visual Design
★ 4.9 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure DevOps, Azure DevOps Pipelines, Continuous Delivery, CI/CD, DevOps, Test Planning, Continuous Integration, Software Development Methodologies, Git (Version Control System), Agile Software Development, YAML, Continuous Deployment, GitHub, Agile Methodology, Version Control, Agile Project Management, Application Deployment, Release Management, Sprint Planning
★ 4.3 (6) · Intermediate · Course · 1 - 3 Months