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.

IE Business School
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Training, Workplace inclusivity, Diversity Programs, Diversity Awareness, Human Resource Policies, Safety Culture, Culture Transformation, Employee Engagement, Human Resources, Relationship Building, Mentorship, Empathy & Emotional Intelligence, Advocacy, Business Strategy, Leadership, Critical Thinking
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, User Interface (UI), Interactive Design, User Interface (UI) Design, Web Design and Development, User Interface and User Experience (UI/UX) Design, Browser Compatibility, Usability, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Front-End Web Development, Animations, Code Reusability, Web Development, Web Development Tools
★ 4.3 (9) · Intermediate · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Memory Management, Code Reusability, Programming Principles, Integrated Development Environments, Web Development, System Programming, Maintainability
★ 3.6 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electronics Engineering, Electronic Hardware, Electronics, Electronic Systems, Semiconductors, Hardware Design, Electrical Engineering, Electronic Components, Computer-Aided Design, Sustainable Design, Engineering Design Process, Automation, Design Software, Environmental Issue, Engineering, Emerging Technologies, AI Enablement, Design, Quantum computing, Artificial Intelligence
★ 4.6 (8) · Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Design Thinking, Ideation, Solution Design, Sustainable Design, Creative Thinking, Systems Analysis, Creative Problem-Solving, Systems Thinking, Innovation, Conceptual Design, Sustainable Development, Biotechnology, Creativity, Biology, Communication, Empathy
★ 4.7 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon CloudWatch, Network Troubleshooting, Continuous Monitoring, Identity and Access Management, Dynamic Host Configuration Protocol (DHCP), AWS Identity and Access Management (IAM), Encryption, Network Security, Routing Protocols, Virtual Networking, Network Routing, Network Architecture, Hybrid Cloud Computing, Event Monitoring, Amazon Web Services, Network Planning And Design, Security Controls, Cloud Security, Network Infrastructure, AWS CloudFormation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Application Programming Interface (API), Test Case, Java Programming, Test Data, Authentications, Java
★ 5 (16) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Building Services Engineering, Architectural Engineering, HVAC, Building Design, Energy and Utilities, Engineering, Thermal Management, Sustainable Engineering, Systems Engineering, Mechanical Engineering, Engineering Calculations, Sustainable Design, Engineering Analysis, Engineering Design Process, Climate Change Mitigation, Mathematical Modeling
Advanced · Course · 1 - 3 Months

Skills you'll gain: Computational Logic, Theoretical Computer Science, Verification And Validation, Algorithms, Data Structures
★ 4.7 (26) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Tools, Test Automation, Software Testing, Test Script Development, Test Case, Test Execution Engine, Javascript and jQuery, Scripting, Automation, Software Design Patterns, UI Components
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Embedded Software, Internet Of Things, Unit Testing, Software Design, System Testing, Test Case, Functional Testing, Software Design Documents, Software Development, Technical Communication, Software Systems, Program Development, Software Documentation, Mobile Development, Mobile Development Tools, Technical Design, Systems Design, System Design and Implementation, Ideation, Embedded Systems
★ 3.7 (10) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Overcoming Objections, Consultative Selling, Selling Techniques, Diversity Training, Consultative Approaches, Coaching, Sales Development, Team Collaboration, Sales Strategy, Intercultural Competence, Sales Training, Sales Prospecting, Collaboration, Consumer Behaviour, Sales Pipelines, Negotiation, Business Communication, Communication Strategies, Virtual Networking, Interpersonal Communications
Beginner · Specialization · 1 - 3 Months