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.

Simplilearn
Skills you'll gain: Kanban Principles, Lean Six Sigma, Project Closure, Six Sigma Methodology, Return On Investment, Process Improvement, Lean Methodologies, Quality Improvement, Business Metrics, Continuous Improvement Process, Operational Excellence, Statistical Process Controls, Workflow Management, Financial Analysis, Project Controls, Cost Benefit Analysis, Continuous Monitoring, Operational Analysis, Cleanliness, Visual Design
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Digital Marketing, Auditing, Software Development Tools, Paid media, Test Tools, Performance Analysis, Process Optimization, Performance Improvement, Performance Appraisal, Prioritization
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Cloud Security, Health Care, Identity and Access Management, Real Time Data, Clinical Informatics, Data Management, Microsoft Azure, Data Sharing, Clinical Data Management, Clinical Monitoring, Health Technology, Image Analysis, Data Visualization Software, Generative AI, Microsoft Teams, Machine Learning, Role-Based Access Control (RBAC), Data Ethics, Health Informatics, Information Privacy
Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Kanban Principles, Agile Methodology, Scrum (Software Development), Continuous Integration, Agile Software Development, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Risk Management, Agile Product Development, Management Reporting
Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Supply Chain Management, Supply Chain, Supply Chain Systems, Transportation, Supply Chain, and Logistics, Generative AI Agents, Inventory Management System, AI Enablement, Generative AI, Supply Management, Demand Planning, Logistics, Warehousing, Data-Driven Decision-Making, Forecasting, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Predictive Analytics, Supplier Relationship Management, Automation, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), Mobile Development, Web Components, Cloud Applications, Cloud-Based Integration, Application Frameworks, Application Design, Server Side, Cross Platform Development, Serverless Computing, Development Environment, Real Time Data
Beginner · Course · 1 - 4 Weeks
IE Business School
Skills you'll gain: Brand Strategy, Customer experience strategy (CX), Branding, Storytelling, Production Planning, Brand Awareness, Logo Design, Content Marketing, Target Audience, Advertising Campaigns, Target Market, Content Creation, Customer experience improvement, Advertising, Marketing Design, Creative Design, Brand Management, Journalism, Creativity, Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Software Installation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: A/B Testing, Data-Driven Decision-Making, Business Analytics, Statistical Methods, Statistical Hypothesis Testing, Statistics, Estimation, Decision Making, Data Analysis, Analytical Skills, Statistical Inference, Statistical Analysis, Web Analytics, Sample Size Determination
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft SQL Servers, SQL, Query Languages, Transaction Processing, Database Management, Data Manipulation, Relational Databases, Databases, Database Design, Database Software, Data Management, Data Integrity, Performance Tuning
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Computer Vision, Tensorflow, Image Analysis, Transfer Learning, Convolutional Neural Networks, Keras (Neural Network Library), Deep Learning, Classification Algorithms, Model Evaluation, Visualization (Computer Graphics), Network Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Pivot Tables And Charts, Dashboard, Microsoft Excel, Financial Data, Data Cleansing, Case Studies, Data Transformation, Data Quality, Data Integrity, Data Manipulation, Data Integration, Financial Analysis, Automation
Intermediate · Course · 1 - 4 Weeks