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 Cape Town
Skills you'll gain: Design Thinking, Entrepreneurship, Business Modeling, Regulation and Legal Compliance, Entrepreneurial Finance, Business Planning, Innovation, Market Opportunities, New Business Development, FinTech, Case Studies, Professional Networking, Mobile Banking, Business Development, Growth Strategies, Financial Regulation, Fundraising
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Security, Java, Java Programming, Application Frameworks, Model View Controller, Security Controls, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Digital Advertising, Email Automation, Email Marketing, Data Ethics, Generative AI, Personalized Campaigns, Marketing Automation, Digital Marketing Tools, AI Personalization, Digital Marketing Campaigns, Advertising Campaigns, AI Integrations, Content Creation, Keyword Research, Content Optimization, Search Engine Optimization, Social Media Marketing, Copywriting, E-Commerce
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Animations, Education Software and Technology, Educational Materials, Learning Management Systems, Instructional Design, Interactive Design, Animation and Game Design, Game Design, User Interface (UI), Interaction Design, Graphic and Visual Design
Intermediate · Course · 3 - 6 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Control Systems, Process Control, Automation Engineering, Machine Controls, Systems Design, Design Specifications, Engineering Analysis, Engineering Calculations, Performance Tuning, Systems Analysis, Diagram Design, Plot (Graphics), Mathematical Modeling, Estimation, Applied Mathematics
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Web Design, Web Analytics and SEO, Content Management Systems, Web Content, Frontend Performance, Cloud Hosting, Web Servers, Web Development, Security Controls, Content Management, Application Security, Computing Platforms, Software Installation, Role-Based Access Control (RBAC), User Accounts
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Back-End Web Development, Program Development, Algorithms, Programming Principles, Debugging, Computational Thinking, Diagram Design, C# (Programming Language), Code Reusability, Version Control, GitHub, Git (Version Control System), Computational Logic, Microsoft Copilot
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Cloud Development, Cloud Applications, Cloud Computing Architecture, Cloud Computing, Amazon Web Services, Cloud-Based Integration, Cloud Infrastructure, Cloud Services, Machine Learning Software, Embedded Software, Internet Of Things, Linux Servers, Amazon Elastic Compute Cloud, Linux Administration, Software Installation, Embedded Systems, AWS Identity and Access Management (IAM), Command-Line Interface, Flask (Web Framework), Image Analysis
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Web Development Tools, Web Design, Development Testing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Oracle SQL Developer, Code Reusability, Oracle Databases, Computational Logic, Memory Management
Intermediate · Specialization · 1 - 3 Months