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.

University of Amsterdam
Skills you'll gain: Qualitative Research, Scientific Methods, Statistical Analysis, Statistical Hypothesis Testing, Research, Research Design, Sampling (Statistics), Research Reports, Science and Research, Interviewing Skills, Data Analysis, Data Collection, Research Methodologies, Social Sciences, Surveys, Quantitative Research, Statistics, Regression Analysis, Statistical Inference, R Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Intellectual Property, Ideation, Brand Strategy, Adobe Express, Adobe Firefly, Target Audience, Creative Problem-Solving, Conceptual Design, Creative Thinking, Branding, Creativity, Graphic Design, Entrepreneurship, Design, Adobe Photoshop, Business Strategy, Adobe Illustrator, Artificial Intelligence, Communication, Digital Marketing
Beginner · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Adobe InDesign, Layout Design, Graphic Design, Graphic and Visual Design, Adobe Creative Cloud, Document Management, Graphic and Visual Design Software, Typography, Style Guides, Design Elements And Principles, Productivity Software, User Interface (UI), Color Theory
Mixed · Course · 1 - 3 Months
Arizona State University
Skills you'll gain: Design Research, Innovation, Creativity, Design Thinking, Creative Thinking, Stakeholder Analysis, Design, Brainstorming, Creative Problem-Solving, Peer Review, Ideation, Design Strategies, Product Design, Curiosity, User Experience Design, Customer experience improvement, New Product Development, Business Modeling, Cognitive flexibility, Consumer Behaviour
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Program Development, Programming Principles, Data Structures, Computer Programming, Maintainability, Object Oriented Design, C and C++, UI Components, User Interface (UI), Test Driven Development (TDD), Application Programming Interface (API), Software Engineering, Event-Driven Programming, Application Development, Debugging, Algorithms, File I/O
Intermediate · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, User Interface (UI), Mobile Development, Swift Programming, Unit Testing, User Interface (UI) Design, UI Components, Mobile Development Tools, Objective-C (Programming Language), Application Development, Data Structures, Programming Principles, Software Testing, Object Oriented Programming (OOP), Integrated Development Environments, Development Environment, Prototyping, Storyboarding
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Pandas (Python Package), NumPy, Data Manipulation, Data Preprocessing, Package and Software Management, Data Analysis, Data Transformation, Data Integration, JSON, Object Oriented Programming (OOP), Data Wrangling, Data Science, Python Programming, Computer Programming, Programming Principles, Data Import/Export, Software Design, Mathematical Software, Computational Logic, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: MySQL, Database Management, Database Administration, Data Warehousing, Linux Commands, Data Integrity, Unit Testing, Algorithms, Software Versioning, Command-Line Interface, Software Visualization, Linux, Pseudocode, Query Languages, Collaborative Software, Django (Web Framework), Database Architecture and Administration, Programming Principles, Computational Thinking, Test Driven Development (TDD)
Beginner · Professional Certificate · 3 - 6 Months

LearnKartS
Skills you'll gain: Responsive Web Design, AI Personalization, Web Analytics and SEO, HTML and CSS, Web Content, Application Security, Web Servers, Cloud Hosting, Control Panels
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Storytelling, Case Studies, Canva (Software), Digital Design, Visual Design, Content Creation, Portfolio Management, Target Audience, Design Strategies, Layout Design, Goal Setting, User Experience Design, Graphic and Visual Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, SQL, Extract, Transform, Load, Apache Airflow, Linux Commands, Database Design, IBM Cognos Analytics, MySQL, Database Administration, Data Pipelines, Apache Kafka, Database Management, Bash (Scripting Language), Shell Script, Database Architecture and Administration, Data Store, IBM DB2, Data Visualization, Relational Databases, Dashboard
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Architectural Drawing, AutoCAD, Technical Drawing, Computer-Aided Design, Drafting and Engineering Design, Architectural Design, Building Design
Beginner · Course · 1 - 4 Weeks