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: Photo/Video Production and Technology, Video Editing, Typography, Responsible AI, Media Production, Logo Design, Digital Design, Generative AI, Social Media, Content Creation, Social Media Management, Creative Design, Adobe Photoshop, Visual Design, Content Marketing, Infographics, Content Strategy, Color Theory, Storytelling, Branding
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Mathematical Software, Statistical Methods, Data Manipulation, Scripting, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Photo Editing, Adobe Illustrator, Color Theory, Adobe Photoshop, Responsible AI, Typography, Generative AI, Graphic and Visual Design, Graphic Design, Photography, Data Ethics, Design, Adobe Creative Cloud, Design Elements And Principles, Graphic and Visual Design Software, Digital Design, File Management, Prompt Engineering, Branding, Storytelling
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Unit Testing, Test Driven Development (TDD), Software Testing, Data Structures, Python Programming, Computer Programming, Development Environment, Integrated Development Environments, Debugging, Algorithms, Django (Web Framework), Cloud Hosting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Color Theory, Color Matching, Adobe Illustrator, Creative Design, Graphic and Visual Design, Design Elements And Principles, Digital Design, Graphical Tools, Graphic Design, Design, Visual Design, Design Software, Content Creation, Creative Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Management Life Cycle, Change Management, Organizational Structure, Project Management, Project Coordination, Organizational Change, Agile Methodology, Project Planning, Waterfall Methodology, Interpersonal Communications, Strategic Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Database Design, SQL, MySQL, Data Transformation, Data Store, IBM DB2, Extract, Transform, Load, Data Architecture, Data Pipelines, Big Data, Databases, Data Warehousing, Data Governance, Database Management Systems, Relational Databases, Stored Procedure, Data Import/Export, Programming Principles, Python Programming
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Hibernate (Java), Restful API, Spring Boot, Software Architecture, API Gateway, Web Services, Object-Relational Mapping, Transaction Processing, Service Oriented Architecture, Cloud Computing Architecture, JSON, YAML, Load Balancing, Unit Testing, Software Configuration Management, Java Programming
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Debugging, Java, Algorithms, Java Programming, Statistical Analysis, Software Design, Computer Programming, Data Import/Export, Integrated Development Environments, Data Manipulation, Object Oriented Programming (OOP), Data Analysis, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Media Planning, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Order Fulfillment, Social Media Management, Search Engine Optimization, Performance Measurement, Spreadsheet Software, A/B Testing, Digital Marketing, E-Commerce, Campaign Management, Loyalty Programs, Customer Retention, Marketing, Interviewing Skills, Professional Development
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Maintainability, Code Review, Software Architecture, Software Design, Object Oriented Design, Debugging, Testability, Programming Principles, Scalability
Intermediate · Course · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Apache Spark, Apache Hadoop, User Interface (UI), Programming Principles, Big Data, Software Design, Data Structures, Software Design Patterns, Functional Design, Data Manipulation, Object Oriented Programming (OOP), Heat Maps, Data Visualization Software, Interactive Data Visualization, Distributed Computing, Computer Programming, Data Processing, Real Time Data, Performance Tuning
Intermediate · Specialization · 3 - 6 Months