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.

LearnKartS
Skills you'll gain: Threat Modeling, Cyber Threat Intelligence, Incident Response, DevSecOps, MITRE ATT&CK Framework, Cloud Security, Threat Detection, Risk Management, Cost Management, Cyber Security Strategy, Governance, Security Controls, Vulnerability Assessments, Compliance Management, Role-Based Access Control (RBAC), Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Order Management, ASP.NET, .NET Framework, Authentications, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Accounts, Authorization (Computing), E-Commerce, Bootstrap (Front-End Framework), Payment Systems, Payment Processing and Collection, Model View Controller, Debugging
Intermediate · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Innovation, Creative Thinking, Curiosity, Ideation, Brainstorming, Strategic Thinking, New Product Development, Market Opportunities, Business Risk Management, Collaboration, Continuous Improvement Process, Problem Solving, Prioritization, Stakeholder Engagement
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Employee Performance Management, Performance Appraisal, People Development, Performance Review, Employee Engagement, Performance Management, Communication, Goal Setting, Goal-Oriented, Performance Metric, Performance Measurement, Performance Analysis, Employee Onboarding, Performance Reporting, Active Listening, Motivational Interviewing, Job Analysis, Personal Development, Interviewing Skills, Job Evaluation
Mixed · Course · 1 - 3 Months

Skills you'll gain: API Design, Cloud Solutions, Network Troubleshooting, Server Side, Cloud Deployment, Back-End Web Development, Data Pipelines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Salesforce, AI Security, Responsible AI, Data Ethics, AI Enablement, Customer Relationship Management, Generative AI, Predictive Modeling, Data Security, Data Modeling, Large Language Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, CI/CD, Database Design, Transact-SQL, Data Pipelines, Extract, Transform, Load, Data Architecture, Data Modeling, Data Transformation, Data Integration, Microsoft Azure, Dataflow, Git (Version Control System), Performance Tuning
Intermediate · Course · 1 - 3 Months
Skills you'll gain: CI/CD, Hardware Design, Continuous Integration, Continuous Deployment, Devops Tools, Electronic Hardware, Embedded Software, Continuous Delivery, Test Automation, Software Development Tools, Automation, Verification And Validation, YAML, Process Optimization
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Image Analysis, Cloud API, Cloud Storage, Google Cloud Platform, Application Programming Interface (API), Computer Vision, Cloud Services
Beginner · Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Systems Thinking, Complex Problem Solving, Policy Analysis, Public Policies, Climate Change Programs, Program Evaluation, Political Sciences, Sustainable Development, Economic Development, Social Sciences, Economics, Research, Ethical Standards And Conduct, Computational Thinking, Innovation, Decision Making
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, Debugging, Scripting, Object Oriented Programming (OOP), Computer Graphics, Programming Principles, Animation and Game Design, Development Environment, Python Programming
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Exploratory Data Analysis, Data Strategy, Unstructured Data, Data-Driven Decision-Making, Data Literacy, Solution Design, Data Analysis, Needs Assessment, Gap Analysis, Requirements Analysis
Beginner · Course · 1 - 4 Weeks