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.

LearnQuest
Skills you'll gain: Network Architecture, Emerging Technologies, Internet Of Things, Network Security, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Infrastructure, Communication Systems, Mobile Security, Cybersecurity, Cloud Engineering, Telecommunications, General Networking, Technology Roadmaps, Artificial Intelligence and Machine Learning (AI/ML), Automation, Technology Strategies, Cloud Computing
Intermediate · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Search Engine Optimization, Marketing Strategies, Web Analytics and SEO, Marketing, Email Marketing, Marketing Analytics, Digital Marketing, Performance marketing, Marketing Psychology, Customer Relationship Management, Paid media, Campaign Management, Marketing Automation, Advertising Campaigns, Google Analytics, UI/UX Strategy, Social Media Marketing, Digital Advertising
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Assessments, Application Security, Vulnerability Management, Secure Coding, Hardening, Security Controls, Cybersecurity, Authorization (Computing), Cryptography, System Configuration, Encryption
Intermediate · Course · 1 - 3 Months

University of North Texas
Skills you'll gain: Hospitality Management, Hospitality, Employee Training, Human Resources Management and Planning, Performance Appraisal, Leadership and Management, Team Motivation, Training Programs, Human Resources, Customer experience improvement, Recruitment, Employee Performance Management, Human Resource Strategy, Legal Risk, Employee Onboarding, Talent Acquisition, Job Analysis, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: ASP.NET, Restful API, Full-Stack Web Development, Cloud Deployment, Performance Tuning, Frontend Integration, .NET Framework, Application Programming Interface (API), Data Modeling, Development Environment, Cloud Applications, Object-Relational Mapping, Web Development, Software Development, Cloud Infrastructure, Web Applications, UI Components, Authentications, Application Development, Application Design
Beginner · Course · 1 - 4 Weeks

Indian Institute of Technology Guwahati
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Computer Graphics, 3D Modeling, Manufacturing Processes, Mechanical Design, Robotics, Engineering Drawings, Manufacturing Operations, Visualization (Computer Graphics), Prototyping, Industrial Design, Product Engineering, Production Process, Process Development, Simulation and Simulation Software, Materials science, Automation, Process Engineering, Industrial Engineering
Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Scope Management, Work Breakdown Structure, Project Scoping, Feasibility Studies, Project Management Life Cycle, Contract Management, Change Control, Project Management, Change Management, Claims Processing, Project Planning, Organizational Structure, Project Implementation, Bidding
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Compliance Management, Internal Controls, Threat Detection, Governance, Continuous Monitoring, Data Management, Disaster Recovery, Key Performance Indicators (KPIs), Regulatory Requirements, Business Analysis, Organizational Structure, Accountability, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

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

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: Kubernetes
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Portfolio Management, Risk Analysis, Investment Management, Time Series Analysis and Forecasting, Financial Modeling, Object Oriented Programming (OOP), Statistical Analysis, Simulations, Regression Analysis, Jupyter, Python Programming, Programming Principles, Pandas (Python Package), NumPy, Matplotlib, Data Manipulation
Intermediate · Course · 3 - 6 Months