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: UI/UX Research, User Interface (UI) Design, Design Research, Prototyping, Usability, Figma (Design Software), Web Content Accessibility Guidelines, User Experience Design, Interactive Design, User Centered Design, Mockups, Usability Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Test Planning, Statistical Analysis, Financial Analysis, Financial Data, Statistical Inference, Risk Analysis, Performance Metric, Spreadsheet Software, Decision Making, Project Documentation
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: LangChain, AI Workflows, LLM Application, Generative AI, Large Language Modeling, Hugging Face, Prompt Engineering, Embeddings, AI Security, Model Deployment
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Game Design, Generative AI Agents, Agentic systems, Animation and Game Design, Video Game Development, Artificial Intelligence and Machine Learning (AI/ML), Unreal Engine, Artificial Intelligence, Generative AI, Game Theory, Design, Design and Product
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, GitHub, Web Design, Git (Version Control System), Browser Compatibility, Front-End Web Development, Web Development, Cloud Hosting, Usability, Typography
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Case, Test Planning, Test Automation, System Testing, Test Engineering, Continuous Integration, Acceptance Testing, Test Tools, CI/CD, Continuous Delivery, Regression Testing, Quality Assurance, Software Development Tools, Software Engineering Tools
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Key Management, Threat Modeling, Authorization (Computing), Encryption, Email Security, Authentications, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Database Design, Stored Procedure, Transaction Processing, Case Studies, SQL, SQL Server Reporting Services, Databases, Database Management, System Testing, Database Development, Database Architecture and Administration, Database Management Systems, Relational Databases, Database Application, Data Integrity, User Interface (UI), System Configuration, Loyalty Programs, Server Administration
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Generative AI, Prompt Engineering, Instructional Design, Design Strategies, Content Creation, Creative Design, Emerging Technologies, Professional Development
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: User Story, Persona (User Experience), Agile Product Development, Design Thinking, Agile Methodology, Product Development, User Research, Persona Development, Usability Testing, Team Building, User Centered Design, Value Propositions, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Stored Procedure, Microsoft SQL Servers, Database Management, Database Development, Relational Databases, Database Architecture and Administration, SQL, Databases, Database Management Systems, Transaction Processing, Visual Basic (Programming Language), Data Management, Verification And Validation, Debugging, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Virtual Reality, Interaction Design, Augmented and Virtual Reality (AR/VR), Virtual Environment, User Interface (UI), Human Computer Interaction, Display Devices, Game Design, Human Machine Interfaces, Usability, User Experience Design
Intermediate · Course · 1 - 4 Weeks