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.

University of Pennsylvania
Skills you'll gain: Blockchain, Digital Assets, FinTech, Financial Systems, Financial Inclusion, Financial Market, Financial Regulations, Capital Markets, Financial Regulation, Payment Systems, Financial Services, Cryptographic Protocols, Asset Management, Market Liquidity, Law, Regulation, and Compliance, Cryptography, Regulatory Requirements, Payment Processing
Mixed · Course · 1 - 3 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Test Case, Software Testing, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Programming Principles, Application Development, Functional Design, Algorithms
★ 4.7 (93) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), Secure Coding, Object-Relational Mapping, API Design, Scalability, JavaScript Frameworks, JSON, Test Tools, Web Development, Python Programming
★ 4.6 (163) · Advanced · Specialization · 3 - 6 Months
Skills you'll gain: Threat Modeling, Application Security, Security Engineering, Blockchain, Security Controls, Security Requirements Analysis, IT Security Architecture, Security Testing, Security Architecture Review, Data Security, Identity and Access Management, Vulnerability Assessments, Cryptographic Protocols, Cryptography, Threat Detection, Distributed Denial-Of-Service (DDoS) Attacks, Information Assurance, Public Key Infrastructure, Risk Analysis, Penetration Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, Server Side, Back-End Web Development, Full-Stack Web Development, JavaScript Frameworks, JSON, Web Servers, Authentications, Web Applications, API Design, Web Development, Postman API Platform, Package and Software Management, Model View Controller, Application Programming Interface (API), Web Services, Authorization (Computing), Javascript, Computer Science
★ 4.5 (626) · Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Physics, Emerging Technologies, Physical Science, Computational Thinking, Image Analysis, Engineering, Scientific, and Technical Instruments, electromagnetics, General Science and Research, Image Quality, Computer Science, Scientific Methods
★ 4.7 (1.2K) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Email Automation, Email Marketing, ChatGPT, Prompt Engineering, AI Workflows, Content Performance Analysis, Generative AI, Workflow Management, Copywriting, Performance Analysis, Editing, Writing and Editing, Writing, Branding, Program Standards, Version Control
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: UI/UX Research, Qualitative Research, User Research, Design Research, User Experience, Research Methodologies, Needs Assessment, Research and Design, Interviewing Skills, Human Centered Design, Research, Human Computer Interaction, Research Design, Data Collection
★ 4.7 (551) · Beginner · Course · 1 - 3 Months

Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Context Engineering, Retrieval-Augmented Generation, AI Orchestration, LLM Application, Prompt Engineering, Responsible AI, Generative AI Agents, Model Context Protocol, Context Management, Prompt Engineering Tools, Agentic Workflows, Token Optimization, OpenAI, Agentic systems, AI Security, Large Language Modeling, Hardening, Systems Architecture, Software Architecture, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Productivity, Non-Verbal Communication, Personal Development, Time Management, Composure, Business Writing, Personal Attributes, Teamwork, Active Listening, Writing, Oral Expression, Business Correspondence, Self-Awareness, Collaboration, Stress Management, Communication, Planning, Behavior Management, Leadership, Public Speaking
Mixed · Course · 1 - 3 Months
Universidad Austral
Skills you'll gain: Legal Technology, Litigation and Civil Justice, Legal Research, Blockchain, Digital Transformation, Emerging Technologies, Workforce Development, Responsible AI, Court Systems, Entrepreneurship, Artificial Intelligence, AI literacy, Innovation
★ 4.9 (1.3K) · Beginner · Course · 1 - 3 Months