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: SQL, Database Design, Database Management, Data Analysis, Database Architecture and Administration, Data Cleansing, Data Transformation, Data Manipulation, Query Languages, Analytics, GitHub, Data Integration, AI Enablement, Git (Version Control System), Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Computer Security Incident Management, Command-Line Interface, Cryptography, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cybersecurity, Encryption, Information Systems Security, Vulnerability Assessments, Cyber Attacks, Security Engineering, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Business Workflow Analysis, Business Process Automation, AI Workflows, Agentic Workflows, Generative AI Agents, AI Orchestration, Automation, Model Deployment, Robotic Process Automation, AI Enablement, Performance Measurement, Generative AI, Tool Calling, No-Code Development, Responsible AI, LLM Application, Process Optimization, MLOps (Machine Learning Operations), System Monitoring
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Oracle SQL Developer, Oracle Databases, PL/SQL, Database Design, SQL, Database Architecture and Administration, Stored Procedure, Database Management, Data Management, Network Architecture, Command-Line Interface
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Postman API Platform, Restful API, Data Validation, Authentications, Authorization (Computing), Application Programming Interface (API), API Design, JSON, Object-Relational Mapping, Model View Controller, Python Programming
Advanced · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Annual Reports, Governance, Corporate Accounting, Law, Regulation, and Compliance, Financial Industry Regulatory Authorities, Regulatory Requirements, Compliance Management, Regulatory Compliance, Financial Regulation, Accountability, Business Management, Corporate Strategy, Regulation and Legal Compliance, Business Ethics, Organizational Structure, Corporate Communications, Governance Risk Management and Compliance, Financial Accounting, Financial Reporting, Auditing
Beginner · Specialization · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Public Health, Health Equity, Community Health, Diversity Awareness, Health Policy, Health Promotion, Social Determinants Of Health, Research, Community Development, Research Methodologies, Social Justice, Program Evaluation, Cultural Diversity, Cultural Responsiveness, Case Studies, Qualitative Research, Collaboration, Patient Communication, Social Impact, Data Collection
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Cleansing, Prompt Engineering, Data Processing, Microsoft Excel, Data Manipulation, Microsoft Copilot, Data Preprocessing, Data Quality, Data Transformation, Data Integrity, Data Validation, Data-Driven Decision-Making, Excel Formulas, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, User Interface (UI), Data Persistence, Game Design, Video Game Development, Performance Tuning, Interactive Design, User Interface (UI) Design, Human Machine Interfaces, Animation and Game Design, Scripting, Performance Testing, System Testing, Programming Principles, No-Code Development, Virtual Environment, Development Testing, Artificial Intelligence, Object Oriented Design, Animations
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Storyboarding, Canva (Software), Storytelling, Marketing Design, Content Creation, Presentations, Marketing Materials, Dashboard, Collaborative Software, Graphic Design, Marketing, User Accounts, Business
Intermediate · Guided Project · Less Than 2 Hours

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Vibrations, Equipment Design, Engineering Analysis, Mathematical Modeling, Engineering Calculations, Applied Mathematics, Differential Equations, Calculus, Physics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Software, Debugging, Embedded Systems, Integrated Development Environments, C (Programming Language), Computer Programming Tools, Development Environment, Electronic Hardware, Electronics, Software Development Tools
Intermediate · Course · 1 - 4 Weeks