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.

Scrimba
Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, HTML and CSS, UI Components, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Web Design, Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Cash Flow Forecasting, Responsible AI, Cash Management, Financial Forecasting, Accounts Payable and Receivable, Risk Management, Generative AI, No-Code Development, Business Process Automation, Forecasting, Regulatory Compliance, Business Ethics, Financial Services, ChatGPT, Automation, Prompt Engineering, Dashboard
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Multi-Cloud, Cloud Computing Architecture, Cloud Deployment, Cloud Computing, Terraform, Kubernetes, Cloud Infrastructure, Containerization, Cloud Storage, Hybrid Cloud Computing, Microsoft Azure, Infrastructure as Code (IaC), Amazon Web Services, Threat Modeling
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Mathematical Software, Biotechnology, Engineering Analysis, Simulations, Differential Equations, Computer-Aided Design, Algorithms, Chemistry
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Design, User Interface (UI), Workflow Management, Databases, Business Process Automation
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Human Capital, Human Resources, Talent Management, Workforce Planning, Talent Acquisition, Human Resource Strategy, Employee Performance Management, Performance Appraisal, Talent Recruitment, Labor Relations, Compensation and Benefits, Succession Planning, Workforce Management, Employee Training, Diversity and Inclusion, Occupational Safety And Health, Employee Engagement
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Development, Sustainability Standards, Sustainable Systems, Environmental Social And Corporate Governance (ESG), Supply Chain Management, Supply Chain Planning, Supply Chain, Supply Chain Systems, Case Studies, Transportation Management, Business Technologies, Logistics Management, Reverse Logistics, Transportation Operations, Waste Minimization, Digital Transformation, Product Lifecycle Management, Innovation
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Code Review, Data Validation
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Computer Vision, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Transfer Learning, Network Architecture
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Pay Per Click Advertising, Marketing Analytics, Web Analytics, Search Engine Optimization, Analytics, Digital Marketing, Data-Driven Decision-Making, A/B Testing, Data Analysis, Contextual Advertising, Big Data, Key Performance Indicators (KPIs), Customer Data Management, Predictive Analytics, Artificial Intelligence and Machine Learning (AI/ML), Consumer Behaviour, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Scalability, Microservices, .NET Framework, Redis, Application Performance Management, Cloud Computing Architecture, Cloud Applications, Databases, System Monitoring, Software Architecture, Distributed Computing, C# (Programming Language), Microsoft Azure, Performance Tuning
Intermediate · Course · 1 - 4 Weeks