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: Data Modeling, Operational Databases, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Responsible AI, Authorization (Computing), JSON, VPN Clients
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Project Management, Project Management Software, Project Coordination, Strategic Communication, Communication, Internal Communications, Team Oriented, Proactivity
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Brand Marketing, Brand Strategy, Storytelling, Marketing Materials, Branding, Microsoft Outlook, Gmail, Marketing Communications, Communication Strategies, Business Communication
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, System Testing, Test Case, Test Automation, Development Testing, Test Planning, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Capability, Lean Six Sigma, Root Cause Analysis, Process Mapping, Process Analysis, Performance Measurement, Statistical Methods, Statistical Process Controls, Descriptive Statistics, Process Improvement, Statistical Analysis, Quality Assessment, Failure Mode And Effects Analysis, Risk Analysis, Verification And Validation, Systems Of Measurement, Probability Distribution
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Correspondence, Business Communication, Writing, Organizational Skills, Concision, Writing and Editing, Proofreading, Grammar, Communication, Editing, Organizational Strategy, Persuasive Communication, Verbal Communication Skills, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Cloud Computing Architecture, Cloud Services, Cloud Computing, Big Data, Analytics, Cloud Platforms, Dataflow, Data Processing, Cloud Storage, Data Lakes, Cloud Infrastructure, Public Cloud, Microsoft Azure, Data Pipelines, Tensorflow, Real Time Data, Amazon Web Services, Artificial Intelligence, Machine Learning
Intermediate · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Strategic Thinking, Strategic Leadership, Organizational Strategy, Innovation, Business Planning, Stakeholder Engagement, Business Strategy, Proactivity, Creative Thinking, Ideation, Creative Problem-Solving, Product Improvement, Growth Strategies, Critical Thinking, New Product Development, Problem Solving, Decision Making, Collaboration
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Prompt Engineering, Search Engine Optimization, Keyword Research, Blogs, Writing and Editing, Content Creation, Generative AI Agents, Web Content, Copywriting, Workflow Management, AI Personalization, Business Writing, Generative AI, AI Enablement, Content Strategy, Writing, Editing, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Timelines, Project Schedules, Project Management Software, Stakeholder Communications, Sprint Planning, Stakeholder Management, Productivity, Project Management, Agile Project Management, Backlogs, Project Scoping, Estimation, Project Planning, User Story, Productivity Software, Scheduling
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Restful API, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months