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.

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Web Services, Restful API, Web Applications
★ 4.5 (52) · Advanced · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Descriptive Analytics, ICD Coding (ICD-9/ICD-10), Health Informatics, Clinical Data Management, Medical Records, Data Mining, Medical Coding, Electronic Medical Record System, Electronic Medical Record, Patient Flow, Predictive Analytics, Clinical Research, Database Design, Health Information Management, Descriptive Statistics, Applied Machine Learning, Predictive Modeling, Relational Databases, Precision Medicine, Data Access
★ 4.6 (15) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Vue.JS, HTML and CSS, Hypertext Markup Language (HTML), Web Applications, JavaScript Frameworks, Front-End Web Development, Web Design and Development, Cascading Style Sheets (CSS), Web Components, Web Development, Javascript, Data Persistence
★ 4.2 (45) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Web Content, Web Design, Web Development, Front-End Web Development
★ 4.7 (27) · Beginner · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: GitHub Copilot, Prompt Engineering, AI Workflows, AI Integrations, Generative AI, ChatGPT, Software Architecture, Code Review, AI literacy, Software Design, API Design, Debugging, Software Development, Application Development, AI Security, Python Programming, Automation, Version Control, Java Programming
★ 2.6 (7) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Photo Editing, Photography, Adobe Photoshop, Color Theory, Image Quality, Adobe Creative Cloud, Post-Production, Editing, File Management
★ 4.5 (13) · Beginner · Course · 1 - 3 Months

Exploratorium
Skills you'll gain: Developing Training Materials, Course Development, Creativity, Design Strategies, Basic Electrical Systems, Experimentation, Design, Computational Thinking, Creative Design, Aesthetics
★ 4.7 (48) · Beginner · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Design Thinking, Team Leadership, Team Building, Market Opportunities, Entrepreneurial Finance, Entrepreneurship, Leadership Studies, Financial Management, Marketing Strategies, Financial Analysis, Innovation, Marketing, Strategic Thinking, Business Planning, Business Modeling, Value Propositions, New Product Development, Professional Networking, Customer Analysis
★ 4.9 (74) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, MLOps (Machine Learning Operations), Regression Testing, Kubernetes, Docker (Software), Feature Engineering, Containerization, Software Documentation, Data Pipelines, Git (Version Control System), Apache Airflow, Technical Documentation, Microservices, CI/CD, Unit Testing, API Design, Decision Intelligence, Performance Metric, Python Programming, Version Control
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Instagram, TikTok, Debugging, Keyword Research, Podcasting, Video Production, Vibe coding, Prototyping, Social Media Content, Social Media Management, Shared Media, Social Media Marketing, Search Engine Optimization, Copywriting, Mobile Development, Paid media, Business Planning, Mobile Development Tools, Earned Media, Other Mobile Programming Languages
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Course Development, Learning Management Systems, Information Architecture, Education Software and Technology, Content Management Systems, Content Management, Design
★ 4.8 (40) · Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Quantitative Research, Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Statistical Reporting, Statistics, Research Design, Statistical Analysis, Microsoft Excel, Descriptive Analytics, Research Methodologies, Statistical Methods, R (Software), Research, R Programming, Data Collection, Research Reports, Correlation Analysis, Data Ethics
★ 4.4 (18) · Intermediate · Course · 1 - 4 Weeks