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: Open Web Application Security Project (OWASP), Exploitation techniques, Vulnerability Assessments, Application Security, Vulnerability Management, Security Controls, Authorization (Computing), Cryptography, System Configuration, Encryption, Software Design
★ 4.4 (75) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Dataflow, Digital Signal Processing, Distributed Computing, C++ (Programming Language), Program Development, Performance Tuning, Memory Management, Algorithms
★ 3.4 (30) · Intermediate · Course · 1 - 3 Months
Duke University
Skills you'll gain: Design Thinking, Ethical Standards And Conduct, Initiative and Leadership, Community Organizing, Leadership, Sustainable Systems, Leadership Development, Environmental Issue, Personal Development, Visionary, Innovation, Decision Making, Empowerment, Collaboration, Goal Setting
★ 5 (10) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Social Media Analytics, Content Creation, Social Media Marketing, Hospitality Management, Social Media, Hospitality, Social Media Management, Social Media Content, Digital Marketing Campaigns, Guest Relations, Digital Marketing Tools, Hotels and Accommodations, Marketing, Social Media Strategy, Digital Marketing, Storytelling, Instagram, Web Analytics and SEO, Search Engine Optimization, User Feedback
★ 3.8 (25) · Intermediate · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Project Design, Case Studies, Project Scoping, Risk Management, Project Risk Management, Risk Analysis, Project Planning, Project Management, Proposal Development, Scope Management, Community Development, Analysis, Social Impact, Procurement
★ 4.9 (91) · Beginner · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Angular, Continuous Integration, TypeScript, JSON, CI/CD, Application Programming Interface (API), Restful API, Test Automation, Web Components, Full-Stack Web Development, React Redux, Web Services, Unit Testing, Web Applications, NoSQL, Data Store, UI Components, Software Architecture, Data Validation
★ 3.2 (148) · Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Google Gemini, Digital Marketing, Anthropic Claude, Marketing Strategy and Techniques, Marketing Strategies, Digital Marketing Campaigns, Microsoft Copilot, Email Marketing, Digital Marketing Tools, Social Media Marketing, Search Engine Optimization, Prompt Engineering, Content Optimization, Advertising Campaigns, Content Creation, Market Research, Generative AI, Web Analytics and SEO, Competitive Analysis, Target Audience
★ 4.7 (18) · Beginner · Specialization · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: Innovation, Entrepreneurship, Strategic Thinking, New Business Development, Business Strategies, Business Modeling, Growth Strategies, Target Audience, Business Transformation, Target Market, Customer Analysis, Value Propositions, Case Studies
★ 4.7 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
★ 4 (58) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Full-Stack Web Development, Javascript, Web Development Tools, Jest (JavaScript Testing Framework), Web Design and Development, Object Oriented Programming (OOP), Web Development, Application Programming Interface (API), HTML and CSS, Back-End Web Development, Web Applications, JSON, Restful API, Event-Driven Programming, Application Development, Application Deployment, Unit Testing, Programming Principles, Data Structures, Prototyping
★ 5 (6) · Beginner · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Performance Appraisal, Training Programs, Talent Recruitment, Recruitment, Training and Development, Employee Onboarding, Performance Review, Employee Training, Leadership Studies, Talent Acquisition, Workforce Development, Human Resources, Business Ethics, Human Resources Management and Planning, Conflict Management, Organizational Leadership, Organizational Development, Organizational Structure, Organizational Effectiveness, Leadership
★ 4.8 (67) · Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Microsoft Power Platform, Application Deployment, Application Development, Microsoft 365, Data Modeling, Data-Driven Decision-Making, Project Design, Software Design, Product Planning, Project Planning, Product Testing, Software Development, Software Architecture
Mixed · Course · 1 - 3 Months