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: Android Studio, Android Jetpack, Kotlin, Android Development, Android (Operating System), Responsive Web Design, Mobile Development, Unit Testing, Gradle, User Interface (UI) Design, Application Development, User Interface (UI), Integrated Development Environments, Object Oriented Programming (OOP), Development Environment, Programming Principles, Test Driven Development (TDD), Software Testing, Wireframing, Prototyping
Beginner · Specialization · 3 - 6 Months
University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), File I/O, Data Structures, Programming Principles, Object Oriented Programming (OOP), Debugging, Computer Programming, Unit Testing, C (Programming Language), Integrated Development Environments, Computer Science, Software Testing, Algorithms, Integration Testing, Software Design, System Design and Implementation, Distributed Computing, Software Documentation
Intermediate · Specialization · 3 - 6 Months

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Visualization, Data Preprocessing, Technical Documentation, Datamaps, Visualization (Computer Graphics), Unit Testing, Data Cleansing, Interactive Data Visualization, Object Oriented Programming (OOP), Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Adobe Firefly, Adobe Express, Ideation, Adobe Acrobat, Presentations, Generative AI, Content Creation, Creative Thinking, Adobe Photoshop, Creativity, Prompt Engineering, Adobe Illustrator, Storytelling, Visual Design, Graphic Design, Design, Branding, Artificial Intelligence, Communication, Digital Marketing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: File I/O, Data Validation
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Data Warehousing, Relational Databases, Business Intelligence, Decision Support Systems, Data Modeling, Database Management Systems, Data Visualization, Database Management, Dashboard, Business Process Management, SQL, Star Schema, Data Governance, Oracle Databases, Data Integration, Performance Measurement, MicroStrategy, Extract, Transform, Load, Business Analytics
Advanced · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Canva (Software), Social Media Content, Social Media Campaigns, Content Creation, Visual Design, Social Media Marketing, Generative AI, Video Production, Content Marketing, Graphic Design, Video Editing, ChatGPT, Marketing Design, AI Workflows, Prompt Engineering, Content Strategy, Animations, Storytelling, Branding, Responsible AI
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Docker (Software), Database Development, Cloud Deployment, Application Security, Java, Containerization, SQL, Databases, Database Design, NoSQL, Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, USB, Electronic Systems, Simulations, Engineering Documentation, Semiconductors, Electrical Engineering, Engineering Design Process, Electrical Systems, Electronic Components, Electrical Power, Hardware Design, Electronics, Technical Communication, Electronics Engineering, electromagnetics, Electric Power Systems, Simulation and Simulation Software, Design Specifications
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), JavaScript Frameworks, Web Design and Development, Web Applications, Web Development Tools, React.js, General Networking
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: File I/O, Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Web Servers
Beginner · Course · 1 - 3 Months