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.

Coursera
Skills you'll gain: Relational Databases, Database Design, Database Development, SQL, Database Software, Database Management, Databases, Database Systems, Data Integrity
★ 4.6 (324) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Secure Coding, Application Security, Threat Management, Cryptography, Encryption, Cyber Security Assessment, Cybersecurity, Security Strategy, Authorization (Computing), Security Controls, Internet Of Things, Identity and Access Management, Asset Management
★ 4.6 (98) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Consulting, Technology Solutions, System Implementation, Test Script Development, Test Tools, Test Planning, Solution Delivery, Case Studies, SAP Applications, Technology Roadmaps, Project Implementation, Stakeholder Engagement, System Testing, Peer Review, Stakeholder Communications, Stakeholder Management, Project Closure, End User Training and Support, System Monitoring, Application Deployment
★ 4.7 (98) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Lead Generation, Email Automation, No-Code Development, Google Sheets, Application Deployment, Real Time Data, Customer Communications Management
★ 4.5 (331) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Computer Hardware, Hardware Architecture, Data Storage, Computer Systems, Data Storage Technologies, System Configuration, Microarchitecture, Computer Architecture, Peripheral Devices, Memory Management
★ 4.7 (95) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Stakeholder Management, Stakeholder Communications, Cross-Functional Collaboration, Planning, Project Planning, Strategic Thinking, Business Leadership, Team Building, Community Outreach, Community Development, Problem Solving, Stakeholder Analysis, Cultural Responsiveness, Project Management, Organizational Strategy, Business Strategies, Relationship Building, Root Cause Analysis, Communication Strategies
★ 4.4 (180) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Infographics, Video Production, Photo/Video Production and Technology, Content Creation, Visual Design, Design, Video Editing, Graphic Design, Graphics Software, Digital Design, Graphic and Visual Design Software, Design Software
★ 4.6 (84) · Beginner · Guided Project · Less Than 2 Hours
University of California, Irvine
Skills you'll gain: Discussion Facilitation, English Language, Social Skills, Constructive Feedback, Active Listening, Verbal Communication Skills, Interpersonal Communications, Public Speaking, Collaboration, Critical Thinking, Vocabulary
★ 4.6 (128) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Building Codes, Construction, Safety Assurance, Safety Standards, Building Services Engineering, Building Design, Facility Management and Maintenance, Hazard Analysis, Design Specifications, Systems Integration
★ 4.6 (75) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AutoCAD, Technical Drawing, Engineering Drawings, Computer-Aided Design, Architectural Drawing, Drafting and Engineering Design, User Interface (UI)
★ 4.8 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Restful API, Docker (Software), Containerization, Git (Version Control System), Development Environment, Flask (Web Framework), Application Programming Interface (API), Authentications, Application Deployment, Database Management, Database Development, JSON, Object-Relational Mapping, Operational Databases, API Testing, Python Programming, Object Oriented Programming (OOP), Data Structures
★ 4.4 (10) · Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: User Story, Human Computer Interaction, Software Development Life Cycle, User Experience Design, Functional Requirement, Unified Modeling Language, Software Development Methodologies, Requirements Analysis, Prototyping, User Experience, User Interface (UI) Design, User Requirements Documents, User Interface and User Experience (UI/UX) Design, Interaction Design, Functional Specification, System Requirements, Requirements Elicitation, Human Factors, Software Development, Process Driven Development
★ 4.9 (165) · Beginner · Specialization · 3 - 6 Months