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.

New York University
Skills you'll gain: Research Design, Experimentation, Clinical Trials, Clinical Research Ethics, Scientific Methods, Program Evaluation, Statistical Methods, Sample Size Determination, Public Health and Disease Prevention, Data Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Robotic Process Automation, Automation, Manufacturing and Production, Manufacturing Processes, Internet Of Things, User Interface (UI), Systems Integration, Scalability, Development Environment, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Growth Mindedness, Communication, Positivity, Personal Development, Optimism, Self-Awareness, Collaboration, Resilience, Emotional Intelligence, Adaptability, Problem Solving
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Retail Management, Order Management, Web Development, Marketing Strategies, Shipping and Receiving, Information Architecture, Customer Relationship Management (CRM) Software, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Development, PHP (Scripting Language), Web Design and Development, Web Applications, HTML and CSS, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: User Experience Design, Usability, User Experience, User Interface and User Experience (UI/UX) Design, Threat Modeling, UI/UX Strategy, Interaction Design, Application Security, Authentications, Human Centered Design, Security Strategy, Usability Testing, Authorization (Computing), Security Controls, Multi-Factor Authentication, Security Awareness, Computer Security Awareness Training, Cybersecurity, Safety Standards, Information Privacy
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Telecommuting, Virtual Teams, Collaborative Software, Productivity, Team Performance Management, Leadership, Meeting Facilitation, Employee Engagement, Collaboration, Leadership Development, Business Correspondence, People Management, Time Management, Communication, Business Writing, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Istio, Terraform, Kubernetes, Serverless Computing, Cloud-Native Computing, Microservices, DevOps, Amazon Web Services, API Gateway, Scalability, CI/CD, Application Deployment, Cloud Deployment, Restful API, Containerization, Amazon DynamoDB, Prometheus (Software), Cloud Applications, Redis
Intermediate · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Performance Tuning, Microsoft Azure, Database Administration, Scalability, Relational Databases, Microsoft SQL Servers, Database Architecture and Administration, Database Management, Database Systems, Operational Databases, Data Migration, Transact-SQL, Stored Procedure, Cloud Security, Cloud Deployment, Disaster Recovery, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mergers & Acquisitions, Financial Modeling, Business Valuation, Financial Analysis, Investment Banking, Financial Forecasting, Case Studies, Corporate Strategy, Plan Execution, Cash Flows
Mixed · Course · 1 - 3 Months

Skills you'll gain: Discussion Facilitation, Community Organizing, Interactive Learning, Driving engagement, Content Management Systems, System Configuration
Beginner · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Data Migration, Amazon Web Services, Virtual Machines, Cloud Infrastructure, Amazon Elastic Compute Cloud, Cloud Management, AWS Identity and Access Management (IAM), Public Cloud, Cloud Computing Architecture, Application Performance Management, Verification And Validation, Application Deployment, System Implementation, Network Infrastructure
Beginner · Course · 1 - 4 Weeks