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.

Coursera
Skills you'll gain: AI Security, Threat Modeling, Role-Based Access Control (RBAC), Cloud Security, Data Governance, Secure Coding, Data Security, DevSecOps, Infrastructure as Code (IaC), Zero Trust Network Access, Application Security, Security Controls, Security Requirements Analysis, Data Quality, Cyber Security Policies, Security Engineering, Compliance Management, Identity and Access Management, Vulnerability Management
Intermediate · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Content Marketing, Content Performance Analysis, Marketing Strategy and Techniques, Key Performance Indicators (KPIs), Search Engine Optimization, Strategic Marketing, Content Creation, Marketing Channel, Customer Insights, Writing, Marketing Analytics, Web Analytics and SEO, Social Media Campaigns, Scalability, Customer Engagement, Email Marketing, Brand Management, Marketing, Advertising Campaigns, Content Management
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Dashboard, Real Time Data, Power BI, Extract, Transform, Load, Tableau Software, Financial Data, Financial Forecasting, Data Pipelines, Business Intelligence, Cloud Deployment, Large Language Modeling, Governance, Automation, Cloud Computing, Workflow Management, Application Programming Interface (API), Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Architecture and Administration, Query Languages, Data Manipulation
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Large Language Modeling, Prompt Patterns, Responsible AI, LLM Application, ChatGPT, AI Workflows, AI Personalization, Generative AI, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Automation, Collaboration, Productivity, Innovation, Organizational Skills, Debugging, Business Technologies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Collaboration, Team Building, Teamwork, Sprint Retrospectives, Team Oriented, Team Management, Cross-Functional Collaboration, Constructive Feedback, Employee Surveys, Process Improvement, Discussion Facilitation, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Gemini, Generative AI, Constructive Feedback, AI Enablement, AI Personalization, Creativity, Marketing Materials, AI Workflows, Artificial Intelligence, Media Production, Google Workspace, Responsible AI
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Node.JS, Software Development, Web Development Tools, Web Servers, Server Side, Development Environment, Front-End Web Development, File Management, File I/O, Web Design and Development, Routing Protocols, Data Storage, Computer Networking, Data Entry
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Apple Xcode
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Modeling, Analytical Skills, Analysis, Data Management, Business Reporting, Data Manipulation, Security Awareness
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Network Protocols, Encryption, Data Structures, Distributed Computing, Virtual Environment, Data Integrity, Emerging Technologies, Data Validation, Algorithms, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, File I/O, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Algorithms, Simulations, System Programming, Computer Programming, Data Structures, Software Development, Software Engineering, Command-Line Interface, Operating Systems, Development Environment, User Interface (UI), Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months