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: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Web Development
Intermediate · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Generative AI, Video Production, Photo/Video Production and Technology, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Digital Content, Content Creation, Video Editing, Social Media Content, Marketing, Creative Design, Business, Marketing Automation, HR Tech, Content Marketing, Design and Product, Education and Training, Influencing, Digital Marketing, Personal Development
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Interactive Learning, Developing Training Materials, Game Design, Education Software and Technology, Infographics, Content Creation, Digital pedagogy
Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Web Development, Database Design, Relational Databases, Web Development Tools, Databases, Full-Stack Web Development, Application Deployment, HTML and CSS, Cloud Deployment, Back-End Web Development, Application Development, Front-End Web Development, JavaScript Frameworks, Application Servers, Web Servers, Scripting, Javascript, Network Protocols, Cloud Computing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Scientific Methods, Research, General Science and Research, Critical Thinking, Probability, Research Design, Probability & Statistics, Bayesian Statistics, Research Methodologies, Experimentation, Investigation, Statistical Methods
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Relationship Building, Business Planning, Goal Setting, Self-Motivation, Personal Development, Professional Networking, Action Oriented, Growth Mindedness, Persistence, Self-Awareness, Adaptability
Beginner · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Safety Standards, 3D Modeling, Industrial Engineering, Materials science, Production Process, Mechanical Design, Computer-Aided Design, Mechanical Engineering, Environment Health And Safety, Process Control, Environmental Issue, Product Development, Quality Assurance, Prototyping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, Information Systems Security, Infrastructure Security, Cybersecurity
Advanced · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Theory, MongoDB, Database Development, Database Management Systems, Databases, Data Modeling, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Integrity, Performance Tuning, Diagram Design, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Hydraulics, Chemical Engineering, Engineering Analysis, Mechanical Engineering, Process Engineering, Petroleum Industry, Engineering Calculations, Mathematical Modeling, Process Analysis, Oil and Gas
Intermediate · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Statistical Visualization, Interactive Data Visualization, Bioinformatics, Ggplot2, Visualization (Computer Graphics), R (Software), Dimensionality Reduction, Scatter Plots, R Programming, Network Analysis, Exploratory Data Analysis, Heat Maps, Molecular Biology, Design Thinking
Intermediate · Course · 1 - 3 Months