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: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Virtual Networking, Network Monitoring, Firewall, Network Planning And Design, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Scalability
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Blockchain, Digital Assets, Portfolio Risk, Portfolio Management, Cryptography, Investments, Market Dynamics, Financial Market, Price Negotiation, Securities (Finance), Financial Policy, Financial Regulation, Cyber Risk, Production Process
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Javascript, Ajax, JavaScript Frameworks, Web Development Tools, Software Testing, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Web Servers, Data Validation, Data Structures
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Unreal Engine, Cinematography, Animation and Game Design, Virtual Environment, Video Production, 3D Assets, Game Design, Augmented and Virtual Reality (AR/VR), Storytelling, Video Game Development, Video Editing, Post-Production, Animations, Live Streaming, Motion Graphics, User Interface (UI), Image Quality, Real Time Data
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Adobe Firefly, Multimedia, Content Creation, Digital Content, ChatGPT, Course Development, Email Marketing, Artificial Intelligence, Design and Product, Product Development, Writing
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Android Jetpack, Extensible Markup Language (XML), Data Management, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Interactive Learning, Education Software and Technology, Digital pedagogy, Microsoft Office, Instructional Design
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Blood Pressure, Medication Dispensation, Pharmacy Operations, Healthcare Project Management, Community Health, Care Management, Chronic Diseases, Medication Administration, Medication Therapy Management, Patient Evaluation, Public Health and Disease Prevention, Pharmacotherapy, Diagnostic Tests, Patient Treatment, Collaboration, Planning, Patient-centered Care, Teamwork, Vital Signs, Communication
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon DynamoDB, Cloud Services, Cloud Computing, Relational Databases, Cloud Storage, Amazon CloudWatch, Databases, Database Management, Virtual Private Networks (VPN)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Applications, Cloud Development, Cloud API, Security Assertion Markup Language (SAML), Google Cloud Platform, Application Programming Interface (API), Cloud-Based Integration, Authentications, Serverless Computing, Identity and Access Management, API Design, Event-Driven Programming, OAuth, Microservices, Node.JS, Authorization (Computing), Scalability
Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Other Programming Languages, Computer Programming, Programming Principles, Theoretical Computer Science, Extensible Languages and XML, Concept Of Operations
Mixed · Course · 1 - 3 Months

Skills you'll gain: Adobe InDesign, Layout Design, Graphic and Visual Design, Typography, Style Guides, Graphic Design, Technical Documentation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks