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.

Skills you'll gain: Convolutional Neural Networks, Model Evaluation, Keras (Neural Network Library), Image Analysis, Deep Learning, Applied Machine Learning, Computer Vision, Dimensionality Reduction, PyTorch (Machine Learning Library), Tensorflow, Machine Learning Methods, Data Preprocessing, Performance Tuning, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Ethics, Data Validation, Generative AI, Data Cleansing, Data Quality, Data Preprocessing, Large Language Modeling, Text Mining, Hugging Face, Data Collection, Unstructured Data, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Application Development, Data Validation, Mobile Development, Data Persistence, Application Design, User Interface (UI), Web Applications, Software Design, Authentications, User Interface (UI) Design, Application Programming Interface (API), Verification And Validation, Data Storage Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Controls, Governance Risk Management and Compliance, Risk Management, Business Risk Management, Compliance Management, Compliance Auditing, Enterprise Risk Management (ERM), Data Security, Information Privacy, Continuous Monitoring, Auditing, Information Systems Security, Regulatory Compliance, Verification And Validation, Risk Analysis, Document Management, Scope Management, Asset Protection
Beginner · Course · 1 - 3 Months

Coursera
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Machine Controls, Control Systems, Embedded Software, Laboratory Experience, Electronic Systems, Embedded Systems, Power Electronics, Electronic Hardware, Three-Phase, Electrical Equipment, Hardware Design, Electrical Engineering, Electrical Systems, Electronics, Electrical Power, Basic Electrical Systems, Automation Engineering, Integration Testing, Electronic Components, Torque (Physics)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Scripting, Web Development, Information Architecture, Visual Basic (Programming Language), Back-End Web Development, User Interface (UI), Usability, Content Management, Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple iOS, Application Development, Mobile Development, Software Architecture, Application Design, Secure Coding, Software Design Patterns, UI Components, Data Validation, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Sustainable Development, Climate Change Adaptation, Sustainable Design, Sustainable Technologies, Community Development, Governance, Socioeconomics, Water Sustainability, Environment, Sustainable Business, Social Impact, Systems Thinking, Environmental Issue, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Multimedia, Business Modeling, Innovation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Automation, Brand Awareness, Campaign Management, Keyword Research, Canva (Software), Email Marketing, Concision, Target Audience, Search Engine Optimization, Brand Strategy, Content Marketing, Web Analytics and SEO, Marketing Effectiveness, Social Media Content, Branding, Content Strategy, Social Media, Communication, Paid media, Key Performance Indicators (KPIs)
Beginner · Specialization · 3 - 6 Months