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.

Macquarie University
Skills you'll gain: Incident Response, Threat Modeling, Cyber Governance, Computer Security Incident Management, Cyber Security Strategy, Cyber Attacks, Security Management, Threat Management, Cyber Risk, Cyber Security Policies, Cybersecurity, Cyber Threat Intelligence, Intrusion Detection and Prevention, Governance Risk Management and Compliance, Cyber Security Assessment, Cyber Operations, Compliance Management, Governance, Risk Management, Risk Control
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Web Design and Development, Web Design
Intermediate · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Sustainable Development, Project Finance, Sustainable Systems, Civil Engineering, Sustainable Design, Sustainability Standards, Economic Development, Environmental Social And Corporate Governance (ESG), Social Impact, Climate Change Adaptation, Environment, Environmental Engineering, Strategic Partnership, Feasibility Studies, Climate Change Mitigation, Project Management, Stakeholder Engagement, Project Planning, Private Equity, Loans
Beginner · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Unified Modeling Language, Diagram Design, Object Oriented Design, Object Oriented Programming (OOP), Software Engineering, Software Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL, Query Languages, Data Access, Database Software, Relational Databases, Data Manipulation, Problem Solving
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Automation, Agentic Workflows, AI Workflows, Multimodal Prompts, Tool Calling, Calendar Management, Machine Learning Methods, Scheduling, AI Security, Text Mining, Classification Algorithms, JSON
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Web Development, Software Testing, Test Automation, Development Testing, WordPress, Javascript
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, OS Process Management, Unix, System Programming, Command-Line Interface, Unix Commands, File Systems, System Monitoring, Performance Tuning, Package and Software Management, File Management, Data Structures, Algorithms, Cloud Platforms, User Accounts, Security Controls
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Heat Maps, Model Evaluation, Image Analysis, Deep Learning, Computer Vision
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Interactive Learning, Developing Training Materials, Game Design, Education Software and Technology, Infographics, Content Creation, Digital pedagogy
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, Prompt Engineering, Data Analysis, Generative AI, Data Visualization Software, Analysis, Data Manipulation, Artificial Intelligence, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Organizational Structure, Leadership and Management, Business Ethics, Business Management, Business Planning, Human Resources Management and Planning, Operations Management, People Management, Organizational Effectiveness, Organizational Strategy, Decision Making, Leadership, Business Strategies, Performance Measurement, Critical Thinking
Beginner · Course · 1 - 3 Months