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 Maryland, College Park
Skills you'll gain: Construction Management, Sustainable Architecture, Construction Engineering, Sustainable Technologies, Facility Management, Stakeholder Management, Stormwater Management, Building Information Modeling, Architectural Engineering, Project Design, Environmental Engineering, Sustainability Standards, Environmental Resource Management, Project Management, Property Management, HVAC, Electrical Systems, Waste Minimization
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Data Access, Data Persistence, Java, Relational Databases, Data Mapping, JUnit, Databases, Query Languages, Enterprise Application Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Containerization, Restful API, User Interface (UI), HTML and CSS, Node.JS, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Back-End Web Development, Full-Stack Web Development, Application Development, Javascript, GitHub
Intermediate · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, No-Code Development, Presentations, Application Development, Generative AI, Web Applications, Automation, Prototyping, Artificial Intelligence and Machine Learning (AI/ML), Application Design, Interactive Design, Digital Design, Creative Design, New Product Development, Creative Thinking, User Interface (UI) Design, Creativity, Application Deployment
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Threat Management, Vulnerability Assessments, Incident Response, Computer Security Incident Management, Public Key Infrastructure, IT Security Architecture, Disaster Recovery, Vulnerability Management, Regulation and Legal Compliance, Threat Detection, Cyber Security Assessment, Risk Management, Compliance Management, Regulatory Compliance, Network Security, Infrastructure Security, Cloud Security, Hardening, Security Engineering, Software-Defined Networking
Beginner · Specialization · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Technical Design, Assembly Drawing, Engineering Drawings, Engineering Design Process, Technical Drawing, Mechanical Design, Mechanical Engineering
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), Web Components, JavaScript Frameworks, UI Components, HTML and CSS, Routing Protocols, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Application Programming Interface (API), Web Design, Restful API, Javascript, Web Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Animations, Instagram, Creative Design, Social Media Content, Content Creation, Graphic Design, Design Elements And Principles, Design, Real Estate
Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Statistical Process Controls, Process Control, Quality Assurance, Semiconductors, Verification And Validation, Manufacturing Operations, Manufacturing Processes, Process Improvement, Process Analysis, Product Testing, Test Engineering, Thermal Management, Electronics Engineering, Electronics, Reliability, Performance Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unified Modeling Language, Data Modeling, Data Structures, Scripting, Object Oriented Programming (OOP), Python Programming, Software Design, Computer Programming, Software Engineering
Beginner · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Data Analysis, Data Visualization, Analytical Skills, Report Writing, Data Science, Data Management, Big Data, Statistical Analysis, Real Time Data, Research, Research Design
Mixed · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Design Thinking, Stakeholder Analysis, Innovation, Brainstorming, Peer Review, Creative Problem-Solving, Ideation, Business Modeling, Proposal Development, Creativity, Social Impact, Corporate Sustainability, Constructive Feedback, Collaboration
Intermediate · Course · 1 - 3 Months