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.

SkillsBooster Academy
Skills you'll gain: Presentations, Branding, Sales Presentation, Brand Marketing, Data Presentation, Workflow Management, Marketing Design, Brand Management, Multimedia, Data Visualization, Visual Design, Interactive Data Visualization, Graphic and Visual Design Software, Brand Awareness, Visualization (Computer Graphics), Brand Loyalty, Design Reviews, Statistical Visualization, Executive Presence, Visual Impairment Education
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: JSON, Restful API, Ajax, Javascript, Web Development Tools, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animations, Adobe After Effects, File Management, Motion Graphics, Video Editing, Timelines, Graphics Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Product Management, Go To Market Strategy, Product Planning, User Experience, Market Analysis, Revenue Management, Product Lifecycle Management, UI/UX Strategy, Product Roadmaps, Product Design, Product Strategy, Sprint Retrospectives, User Interface and User Experience (UI/UX) Design, Marketing Analytics, Product Testing, Sprint Planning, A/B Testing, Driving engagement, Agile Methodology, Stakeholder Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Gradle, Software Development Tools, Integration Testing, Mockups, JSON, Authentications
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Frontend Performance, Usability, Web Design and Development, User Interface (UI), Usability Testing, Animations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Restful API, Event-Driven Programming, DevOps, Data Integration, z/OS, Solution Architecture, Cloud Applications, Microservices, Enterprise Architecture, IBM Cloud, Application Lifecycle Management, Cloud-Native Computing, Application Design, CI/CD, Systems Integration, Software Architecture, Mainframe Computing
Beginner · Course · 1 - 3 Months

Skills you'll gain: PL/SQL, Oracle Databases, SQL, Stored Procedure, Computational Logic, Programming Principles, Business Logic, Data Validation, Data Integrity
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Data Validation, Business Logic, Programming Principles, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Enablement, OpenAI, Development Environment, Game Design, Agentic systems, Web Scraping
Intermediate · Course · 1 - 3 Months

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

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