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: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Java Platform Enterprise Edition (J2EE), Data Validation, Web Applications, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Visualization (Computer Graphics), Interoperability, Java, Cascading Style Sheets (CSS), Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Color Theory, Style Guides, Generative AI, Creativity, ChatGPT, Aesthetics, Art History, Design Elements And Principles, Image Analysis
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Pandas (Python Package), Databases, Data Pipelines, Database Design, Performance Tuning, Data Transformation, Data Structures, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Search Engine Optimization, Application Deployment, Cloud Hosting, Program Development, Object Oriented Programming (OOP), Servers, Web Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Dashboard, Data Visualization Software, Data Visualization, R Programming, Alteryx, Statistical Programming, Data Presentation, Interactive Data Visualization, Data Cleansing, Data Storytelling, Data Structures, Statistical Analysis, Workflow Management, Data Analysis, Scatter Plots, Data Preprocessing, Data Manipulation, Data Processing, Data Transformation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apple iOS, Responsive Web Design, Swift Programming, Apple Xcode, Mobile Development, User Interface (UI) Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Graphics, Game Design, Object Oriented Programming (OOP), 3D Assets, Video Game Development, Animation and Game Design, C# (Programming Language), Animations, Cross Platform Development, Development Environment, Software Installation, User Interface (UI), Debugging, Program Development, Prototyping, Computational Logic, Content Management
Beginner · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Sales, Sales Presentation, Selling Techniques, Sales Strategy, Meeting Facilitation, Sales Process, Overcoming Objections, Team Oriented, Storytelling, Constructive Feedback, Verbal Communication Skills, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Tensorflow, Keras (Neural Network Library), Artificial Neural Networks, Deep Learning, Machine Learning Methods, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Frameworks, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Content Management, Cascading Style Sheets (CSS), File Systems, Javascript
Intermediate · Course · 1 - 4 Weeks

Lecturio
Skills you'll gain: Constructive Feedback, Patient Communication, Active Listening, Advocacy, Rapport Building, Conflict Management, Teamwork, Interpersonal Communications, Communication Strategies, Collaboration, Professionalism, Emotional Intelligence, Nursing and Patient Care, Diversity Awareness, Empathy, Communication, Workplace inclusivity
Intermediate · Course · 1 - 4 Weeks

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