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: Canva (Software), Productivity, Organizational Skills, Journals, Digital Design, Design, Layout Design, Graphic Design, Creative Design, Design Software, Graphical Tools
Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, Application Deployment, Devops Tools, Data Storage, DevOps, Security Controls, CI/CD, Authentications, Hardening, YAML, Virtual Networking, Network Planning And Design, Data Persistence, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sales Presentation, Data Visualization, Customer Relationship Management (CRM) Software, Target Market, Market Analysis, Sales, Presentations, Content Creation, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Test Tools, Acceptance Testing, Software Testing, Test Automation, Test Execution Engine, Test Planning, Software Quality Assurance, Generative AI, Test Data, Test Case, Requirements Analysis, Software Documentation
Beginner · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Health Informatics, Clinical Informatics, Technology Roadmaps, Patient Flow, Public Health, Health Systems, Innovation, Health Care, Healthcare Project Management, Systems Integration, Data Analysis, Health Policy, Medical Terminology, Emerging Technologies, Data Management, Data Governance, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Regulatory Compliance, Natural Language Processing
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Application Development, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Python Programming, Virtual Machines, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Canva (Software), Video Production, Infographics, Graphic Design, Graphic and Visual Design, Content Creation, Creative Design, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Cyber Security Assessment, Security Testing, Threat Detection, Cybersecurity, Cyber Threat Intelligence, Cyber Threat Hunting, Cyber Operations, Cyber Security Strategy, Cyber Attacks, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), Web Components, JavaScript Frameworks, UI Components, HTML and CSS, Routing Protocols, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Application Programming Interface (API), Web Design, Restful API, Javascript, Web Development
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Organizational Leadership, Team Motivation, Team Leadership, Leadership, Strategic Leadership, Team Performance Management, Team Building, Drive Engagement, Storytelling, Coaching, Employee Coaching, Industrial and Organizational Psychology, Goal Setting, Collaboration, Safety Culture, Influencing, Empathy, Neurology
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Lean Six Sigma, Lean Methodologies, Six Sigma Methodology, Quality Improvement, Process Improvement, Process Analysis, Operational Efficiency, Continuous Improvement Process, Root Cause Analysis, Waste Minimization, Pareto Chart, Standard Operating Procedure
Mixed · Course · 1 - 4 Weeks