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.

EDUCBA
Skills you'll gain: Spring Boot, Application Development, Redis, Java, Hibernate (Java), Web Development, Database Development, Authentications, Application Security, Performance Tuning, Unit Testing, Command-Line Interface, Event Monitoring, Software Configuration Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Instagram, Social Media Content, Social Media, Content Creation, Advertising, Graphic Design, Design, Social Media Marketing, Social Media Campaigns, Video Production, Social Justice
Beginner · Guided Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: Energy and Utilities, Case Studies, Property Management, Building Services Engineering, Facility Management, Real Estate, Sustainable Architecture, HVAC, Digital Assets, Building Design, Analysis, Auditing, Simulation and Simulation Software
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Correspondence, Business Communication, Writing, Presentations, Report Writing, Communication, Grammar, Oral Expression, Writing and Editing, Technical Writing, Persuasive Communication, Editing, Graphic Design, Organizational Skills
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Dashboard, Data Transformation, Data Manipulation, Data Analysis, Statistical Analysis, Query Languages, Data Visualization Software, Ad Hoc Reporting, Real Time Data, Data Modeling, Continuous Monitoring, Taxonomy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, MySQL, Database Design, SQL, Database Management, Relational Databases, Databases, Data Integration, Data Manipulation, Business Intelligence
Beginner · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Adobe Illustrator, Color Theory, Creative Design, Graphic and Visual Design, Design Software, Data Import/Export, Typography, Logo Design, Graphic Design, Graphic and Visual Design Software, Graphical Tools, Adobe Creative Cloud, Design Elements And Principles, Layout Design, Scalability
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Database Management, Software Installation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Application Frameworks, Javascript, Hypertext Markup Language (HTML), Front-End Web Development, Scalability, Web Applications, Cascading Style Sheets (CSS), Web Development, Software Design, UI Components
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Constructive Feedback, Communication, Business Communication, Interpersonal Communications, Emotional Intelligence, Social Skills, Tactfulness, Empathy, Performance Management, Growth Mindedness, Collaboration, Personal Development
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Game Theory, Experimentation, Negotiation, Behavioral Economics, Research Design, Economics, Decision Making, Socioeconomics, Strategic Decision-Making, Consumer Behaviour, Peer Review
Mixed · Course · 1 - 3 Months
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks