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.

Johns Hopkins University
Skills you'll gain: Data Visualization, Network Analysis, Relational Databases, Data Presentation, Data Visualization Software, Social Network Analysis, Infographics, Network Model, Database Theory, Query Languages, Data Analysis, Data Manipulation, Social Impact, Human Factors, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, Tool Calling, Generative AI Agents, Agentic Workflows, Document Management, Query Languages, Agentic systems
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Audit Working Papers, Compliance Auditing, Ledgers (Accounting), Transaction Processing, Governance Risk Management and Compliance, Internal Auditing, Governance, Audit Planning, Auditors Report, Application Frameworks, Data Governance, Risk Control, Security Controls, IT General Controls (ITGC), Investigation, Law, Regulation, and Compliance, Role-Based Access Control (RBAC), Identity and Access Management, Data Access, Data Integrity
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Retrieval-Augmented Generation, AI Workflows, LangChain, Model Context Protocol, Vector Databases, AI Orchestration, LLM Application, Tool Calling, Agentic Workflows, Generative AI Agents, Large Language Modeling, Agentic systems, Embeddings, Model Deployment, AI Integrations, Artificial Intelligence, Context Management, Scalability, Debugging, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, DevSecOps, Infrastructure Security, Vulnerability Scanning, Security Testing, Containerization, Vulnerability Management, Hardening, Authentications, Image Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Cascading Style Sheets (CSS), Event-Driven Programming, JavaScript Frameworks, Web Components, Web Applications, HTML and CSS, Web Language, Web Development Tools, Hypertext Markup Language (HTML), Web Design and Development, Web Content, Front-End Web Development, Web Development, Interactive Learning, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, Prompt Engineering, OpenAI, Responsible AI, LLM Application, ChatGPT, Fine-tuning, Image Analysis, Application Programming Interface (API), Generative AI, AI literacy, Natural Language Processing, Large Language Modeling, Computer Vision, Application Deployment, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Post-Production, 3D Assets, Virtual Environment, Video Game Development, Game Design, Design Elements And Principles, Computer Graphic Techniques, Grading (Landscape), 3D Modeling, Animations, User Interface (UI), Computer Graphics, Architectural Design, Visualization (Computer Graphics), Technical Design, Performance Tuning
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Enterprise Risk Management (ERM), Risk Analysis, Business Risk Management, Risk Modeling, Risk Management, Risk Management Framework, Risk Mitigation, Revenue Management, Cost Benefit Analysis, Strategic Decision-Making, Cost Accounting, Risk Appetite, Market Dynamics, Profit and Loss (P&L) Management, Demand Planning, Competitive Analysis, Decision Making, Product Strategy, Economics, Consumer Behaviour
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Linux Administration, Linux, User Accounts, Command-Line Interface, Operating System Administration, User Provisioning, Open Source Technology, Disaster Recovery, Red Hat Enterprise Linux, System Monitoring, Unix Commands, System Configuration, Identity and Access Management, Systems Administration, Linux Commands, Unix, Patch Management, Data Maintenance, Security Controls
Mixed · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Health Information Management, Health Information Management and Medical Records, Medical Records, Data Management, Health Informatics, Clinical Data Management, Electronic Medical Record System, Information Management, Health Systems, Data Governance, Health Care, Health Care Procedure and Regulation, Electronic Medical Record, Medical Privacy, Health Technology, Database Management, Data Mining, Interoperability, Authentications, Predictive Modeling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Animations, Performance Tuning, Image Quality
Mixed · Course · 1 - 3 Months