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.

LearnQuest
Skills you'll gain: Blockchain, Key Management, Public Key Infrastructure, Cryptography, Application Security, Encryption, Secure Coding, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Solution Design, Cyber Governance, Vulnerability Assessments, Code Review, Authorization (Computing), Data Integrity
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Game Design, Animation and Game Design, Video Game Development, Unity Engine, Unreal Engine, Graphics Software, Event-Driven Programming, C# (Programming Language), No-Code Development, Software Installation, Development Environment, Scripting
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Presentations, Graphic Design, Data Visualization, Social Media, Marketing Materials, Social Media Marketing, Content Creation, Marketing Design, User Accounts, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Flutter (Software), Scalability, Code Reusability, Software Design, Application Design, Dataflow, Program Development, Computational Logic, Functional Design, Application Development, Computer Programming, Software Architecture, Web Applications, Automation, Data Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: No-Code Development, Responsive Web Design, User Accounts, Frontend Integration, Workflow Management, UI Components, Application Development, Product Automation, Interactive Design, Web Design, Database Application, Automation, User Interface (UI) Design, Databases, Authentications, Authorization (Computing), Computational Logic, Debugging
Intermediate · Course · 3 - 6 Months

Skillshare
Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphic Techniques, Visualization (Computer Graphics), Computer Graphics, Graphical Tools, Model Optimization, Data Import/Export, User Interface (UI), Animation and Game Design, Post-Production
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Ansible, IT Automation, YAML, Enterprise Architecture, DevSecOps, Scalability, CI/CD, Automation, Debugging, Scripting, Continuous Integration, Devops Tools, Configuration Management, Hardening, Enterprise Security, Development Environment, Verification And Validation, Infrastructure as Code (IaC), Cloud-Based Integration, Patch Management
Beginner · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Organizational Change, Change Management, Organizational Leadership, Leadership and Management, Organizational Development, People Management, Team Leadership, Business Transformation, Leadership, Communication Strategies, Organizational Structure, Culture Transformation, Strategic Leadership, Cross-Functional Team Leadership, Team Management, Advocacy, Influencing, Empowerment, Culture, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Visual Storytelling, Creative Design, Graphic Design, Branding, Graphical Tools, Brand Management, Photo Editing, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Server Side, Web Applications, Web Servers, Secure Coding, Restful API, Middleware, API Design, Real Time Data, Maintainability
Beginner · Course · 1 - 4 Weeks

Creo Incubator
Skills you'll gain: Competitive Analysis, Sales Strategy, Entrepreneurial Finance, Market Analysis, Product Development, Go To Market Strategy, Market Opportunities, Market Research, New Product Development, Sales Process, Financial Acumen, Sales Management, Accounting, Financial Analysis, Experience Design, User Experience, Target Market, Entrepreneurship, Business Valuation, Fundraising
Intermediate · Specialization · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Web Analytics, Auditing, Frontend Performance, Content Strategy, Content Optimization, Performance Tuning, Digital Marketing Tools, Performance Metric
Mixed · Course · 3 - 6 Months