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: Usability, User Experience Design, User Centered Design, Usability Testing, Technical Documentation, Bioinformatics, End User Training and Support, Clinical Informatics, Technical Writing, Product Development, Writing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Frontend Performance, React.js, JavaScript Frameworks, Front-End Web Development, HTML and CSS, Web Development, Web Design, Cascading Style Sheets (CSS), Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Email Marketing, Lead Generation, Email Automation, Customer Relationship Management (CRM) Software, Performance Metric, Sales Pipelines, Digital Marketing, Copywriting, Customer Support, Customer Engagement, Data Pipelines, Compliance Management, Revenue Cycle Management, Generative AI, Design and Product, Product Design, Law, Regulation, and Compliance, Artificial Intelligence, Design Elements And Principles, Statistics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Convolutional Neural Networks, Tensorflow, Image Analysis, Google Cloud Platform, Model Deployment, Computer Vision, Data Preprocessing, Applied Machine Learning, Data Collection, Software Visualization
Beginner · Project · Less Than 2 Hours

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Security Testing, Authorization (Computing), Authentications, Data Validation, Encryption, Security Controls, Data Security, Vulnerability Scanning, Role-Based Access Control (RBAC), Verification And Validation, Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Web Servers, Web Development Tools
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cucumber (Software), API Testing, Gherkin (Scripting Language), Behavior-Driven Development, JSON, Restful API, Apache Maven, Test Tools, Test Case, JUnit, Test Script Development, Security Testing, Test Automation, Authentications, Application Programming Interface (API), Test Data, Scalability, Java Programming, Software Testing, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: File I/O, JSON, Package and Software Management, Authorization (Computing), Web Scraping, Application Programming Interface (API), Python Programming, Authentications, Object Oriented Programming (OOP), Data Processing, Simulations, Data Management, Probability & Statistics
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Manufacturing and Production, World History, International Relations, Engineering, Scientific, and Technical Instruments, Political Sciences, Emerging Technologies, Timelines, Innovation
Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Financial Inclusion, FinTech, Digital Transformation, Mobile Banking, Product Design, Financial Services, Innovation, Banking, Data Analysis, Talent Management, Customer experience improvement, Needs Assessment, Emerging Technologies, Strategic Partnership
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Storytelling, Adobe Firefly, Marketing Design, Color Theory, Image Quality, Creative Thinking, Creative Problem-Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Computer Graphics, Visualization (Computer Graphics), Virtual Environment, File Management, Generative AI
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Active Listening, Non-Verbal Communication, Social Skills, Cultural Sensitivity, Interpersonal Communications, Emotional Intelligence, Conflict Management, Rapport Building, Professionalism, Empathy, Cultural Diversity, Collaboration, Teamwork, Communication Strategies, Virtual Teams, Communication, Digital Communications, Adaptability
Intermediate · Course · 1 - 4 Weeks