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.

Skills you'll gain: Microsoft 365, Data Integration, Report Writing, IT Automation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: PL/SQL, Oracle Databases, SQL, Stored Procedure, Data Access, Database Design, Programming Principles, Debugging, Relational Databases, Maintainability
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Issue Tracking, Timelines, Design, Graphic Design, File Management, Collaborative Software, Data Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: CrewAI, AI Orchestration, AI Workflows, Agentic Workflows, AI Enablement, Workflow Management, AI Product Strategy, Generative AI Agents, Productivity Software, Business Workflow Analysis, Business Process Automation, Automation, LLM Application, Agentic systems, Solution Design, Decision Making, Process Improvement, Performance Improvement
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Model Evaluation, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Data Cleansing, Analytics, Machine Learning, Data Preprocessing, Regression Analysis, Data Mining, Python Programming, Scikit Learn (Machine Learning Library), Unsupervised Learning, Classification And Regression Tree (CART), Decision Tree Learning, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Optimization, E-Commerce, Logistics Management, Product Marketing, Product Demonstration, Product Knowledge, Customer Service, Customer Relationship Management, Online Advertising, Price Negotiation, Web Analytics and SEO, Social Media Marketing
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Construction Management, Project Controls, Construction Estimating, Project Schedules, Change Control, Contract Management, Timelines, Occupational Safety And Health, Scheduling, Project Coordination, Project Documentation, Communication Planning, Project Planning, Safety Assurance, Cost Control, Arbitration
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Amazon Web Services, Disaster Recovery, Serverless Computing, Cloud Computing Architecture, Solution Architecture, Cloud-Native Computing, Containerization, Cloud Engineering, Kubernetes, AWS Identity and Access Management (IAM), Hybrid Cloud Computing, Amazon Elastic Compute Cloud, Cloud Security, Cloud Solutions, Docker (Software), Cloud Services, Cloud Storage, Systems Architecture, Software Architecture, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Cloud-Native Computing, YAML, Docker (Software), Containerization, Devops Tools, Application Deployment, Command-Line Interface, Cloud Deployment, Application Lifecycle Management, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe InDesign, Layout Design, Graphic and Visual Design, Typography, Style Guides, Graphic Design, Technical Documentation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Machine Learning, Applied Machine Learning, Research, Model Evaluation, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Data Collection, Surveys, Human Factors, Classification Algorithms, Experimentation, Data Quality, Statistical Analysis
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Account Management, Consultative Selling, Selling Techniques, Sales Process, Sales Enablement, Upselling, Business Metrics, Business Communication, Relationship Building, Sales Presentation, Sales Pipelines, Solution Selling, Customer Engagement, Strategic Thinking, Stakeholder Engagement, Innovation, Strategic Communication, Stakeholder Analysis, Value Propositions, Business Analytics
Beginner · Specialization · 1 - 3 Months