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.

Johns Hopkins University
Skills you'll gain: Data Science, Data Management, Organizational Effectiveness, Data Analysis, Data-Driven Decision-Making, Project Design, Data Presentation, Exploratory Data Analysis, Machine Learning, Predictive Modeling, Statistical Inference
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Program Development, Technical Design, Debugging, Problem Solving, Performance Tuning
Intermediate · Course · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Applied Machine Learning, Machine Learning, AI Enablement, MLOps (Machine Learning Operations), Technology Roadmaps, Data-Driven Decision-Making, Artificial Intelligence and Machine Learning (AI/ML), Business Analytics, Business Solutions, Organizational Strategy, AI Product Strategy, Organizational Change, Product Roadmaps, Feasibility Studies, System Requirements, Solution Design, Training Programs
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Test Script Development, Authentications, JSON, Authorization (Computing), Test Case, Data Import/Export, Scenario Testing, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apple Xcode, UI Components, iOS Development, User Interface (UI) Design, Apple iOS, Mobile Development, User Interface and User Experience (UI/UX) Design, Swift Programming, Responsive Web Design, User Interface (UI), Animations, Interactive Design, Data Visualization Software, Application Design, Interactive Data Visualization, Application Development, Model View Controller, Programming Principles, Application Programming Interface (API), Software Design
Intermediate · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Presentations, Data Literacy, Decision Making, Dashboard, Data-Driven Decision-Making, Customer Engagement, Business Transformation, Digital Transformation, Data Strategy, Storytelling, Persuasive Communication, Microsoft PowerPoint, Analytics, Customer Insights, Data Science, Influencing, Stakeholder Engagement
Beginner · Course · 1 - 3 Months
Skills you'll gain: Mediation, Conflict Management, Team Building, Emotional Intelligence, Team Performance Management, Collaboration, Negotiation, Empathy & Emotional Intelligence, Trustworthiness, De-escalation Techniques, Root Cause Analysis, Empathy, Discussion Facilitation, Communication, Communication Strategies, Employee Engagement, Active Listening, Adaptability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), Bootstrap (Front-End Framework), Blockchain, User Interface (UI) Design, Front-End Web Development, Debugging, Full-Stack Web Development, Animations, Web Applications, Javascript, Test Script Development
Advanced · Course · 1 - 3 Months

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Virtual Networking, TCP/IP, Network Architecture, Local Area Networks, Network Troubleshooting, Network Protocols, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, No-Code Development, Model Deployment, Data Cleansing, Data Preprocessing, Artificial Intelligence, Machine Learning, Business Metrics, Data Storytelling, User Experience Design, Generative AI, Business Analytics, Regulation and Legal Compliance, AI Workflows, Scalability, Data Validation, Dashboard, Automation, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Based Integration, Cloud Applications, Middleware, Integration Testing, Application Design, Data Integration, Cloud Computing
Beginner · Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: HubSpot CRM, Customer Relationship Management, Marketing Automation, Performance marketing, Online Advertising, Keyword Research, Promotional Strategies, Social Media Marketing, Advertising Campaigns, Marketing Strategies, Customer Acquisition Management, Product Promotion, Search Engine Optimization, Performance Metric, Customer Engagement, Advertising, Key Performance Indicators (KPIs), Competitive Analysis, Business Metrics
Beginner · Course · 1 - 4 Weeks