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.

University of California, Irvine
Skills you'll gain: Peer Review, Instructional Design, Education Software and Technology, Parent Communication, Instructional Strategies, Student Engagement, Learning Management Systems, Student Support and Services, Course Development, Collaborative Software, Curriculum Development, Blended Learning, Digital pedagogy, Educational Materials, Community Development, Classroom Management, Teaching, Performance Testing, Collaboration, Planning
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Account Management, Consultative Selling, Selling Techniques, Business Risk Management, Upselling, Business Metrics, Business Communication, Overcoming Objections, Sales Process, Solution Selling, Business Transformation, Virtual Teams, Customer Engagement, Strategic Thinking, Stakeholder Engagement, Innovation, Strategic Communication, Stakeholder Analysis, Value Propositions, Business Analytics
Beginner · Specialization · 1 - 3 Months

The George Washington University
Skills you'll gain: Patient Safety, Clinical Leadership, Health Care Administration, Continuous Quality Improvement (CQI), Health Policy, Health Information Management, Health Care, Healthcare Ethics, Health Equity, Public Health and Disease Prevention, Systems Thinking, Collaboration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Systems, Operating Systems, Generative AI, Business Systems, Cybersecurity, Enterprise Security, Servers, Security Awareness, Computer Hardware, Information Systems Security, Computer Architecture, Data Storage, Patch Management, Cloud Computing
Beginner · Course · 1 - 4 Weeks
Universidade de São Paulo
Skills you'll gain: Search Engine Marketing, Digital Marketing, Email Marketing, Google Ads, Marketing Strategies, Search Engine Optimization, Google Analytics, Online Advertising, A/B Testing, Pay Per Click Advertising, Advertising Campaigns, Web Analytics, Digital Advertising, Facebook, Campaign Management, Marketing Analytics, Return On Investment, Performance Measurement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Splunk, Pivot Tables And Charts, Data Analysis Expressions (DAX), Unstructured Data, Data Visualization Software, Data Modeling, Dashboard, Text Mining, Data Wrangling, Taxonomy, Management Reporting, Data Integration, Data Transformation, Workflow Management, Statistical Reporting, Data Manipulation, Event Monitoring, Continuous Monitoring, Role-Based Access Control (RBAC), Scheduling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Model Deployment, Convolutional Neural Networks, Classification Algorithms, Data Analysis, Image Analysis, Model Evaluation, Transfer Learning, Data Ethics, Machine Learning, Tensorflow, Data Processing, Data Pipelines, Data Transformation, Data Preprocessing, Machine Learning Software, Distributed Computing, Information Privacy, Supervised Learning, Virtual Machines
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Integrated Development Environments, Test Data, Test Tools, Browser Compatibility, Computer Programming, Web Development, Programming Principles, Test Case, Software Design, Development Environment
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, Display Devices, Computer Displays, Systems Design, Electrical Engineering, Technical Design, Electronics, Electronics Engineering, Electronic Systems, Electronic Components, Materials science, Image Quality, Technology Solutions, Engineering Calculations, Mathematical Modeling, Performance Testing, Physics, Emerging Technologies, Applied Mathematics
Build toward a degree
Advanced · Specialization · 3 - 6 Months
Skills you'll gain: OAuth, Salesforce Development, Authentications, Salesforce, Cloud Deployment, Cloud-Based Integration, Systems Integration, Application Programming Interface (API), Application Deployment, Data Integration, API Design, Data Mapping, Restful API, Application Performance Management, System Monitoring, Data Transformation, Secure Coding, Event Monitoring, Security Controls, Real Time Data
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Mobile Security, AI Security, Threat Detection, Security Controls, Exploit development, Threat Modeling, Hardening, Endpoint Security, Artificial Intelligence, Mobile Development Tools, Deep Learning, Prompt Engineering, Incident Response, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Modeling, Microsoft Development Tools, Computer Programming, .NET Framework, Software Engineering, Data Structures
Intermediate · Course · 1 - 4 Weeks