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 California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
★ 4.5 (255) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Systems Thinking, Epidemiology, Systems Analysis, Social Network Analysis, Simulations, Network Analysis, Public Health, Network Model, Public Health and Disease Prevention, Social Determinants Of Health, Behavioral Health, Economics
★ 4.6 (205) · Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Critical Thinking, Critical Thinking and Problem Solving, Independent Thinking, Business Ethics, Strategic Thinking, Decision Making, Analytical Skills, Problem Solving, Strategic Decision-Making, Ethical Standards And Conduct, Cognitive flexibility, Analysis, Self-Awareness, Open Mindset
★ 4.7 (123) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Sustainable Architecture, Waste Minimization, Environmental Engineering, Water Sustainability, Sustainable Design, Environmental Resource Management, Environment and Resource Management, Water Resource Management, Energy and Utilities, Sustainable Technologies, Building Codes, HVAC, Sustainable Engineering, Environmental Regulations, Water Resources, Construction, Stormwater Management, Building Design, Construction Management, Water Quality
★ 4.8 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Program Development, Software Testing, Java, Test Automation, Test Case, Software Development, Scalability
★ 4 (64) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, digital literacy, Web Content Accessibility Guidelines
★ 4.4 (27) · Beginner · Course · 1 - 4 Weeks

University of Cambridge
Skills you'll gain: AI literacy, Prompt Engineering Tools
★ 4.7 (69) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, File I/O, Algorithms, Java Programming, Object Oriented Design, Data Structures, Encryption, Computer Programming, Software Engineering, Cryptography, Data Store, File Management, Data Import/Export, Web Applications
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Gemini, Google Gemini, Prompt Patterns, Multimodal Prompts, Prompt Engineering Tools, Generative AI, LLM Application, Model Optimization, Fine-tuning, Model Deployment, Prototyping
★ 4.6 (243) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics and SEO, Search Engine Optimization, Generative Engine Optimization (GEO), Content Marketing, Web Analytics, Blogs, Content Optimization, Search Engine Marketing, Content Creation, MarTech, Marketing Strategy and Techniques, Content Performance Analysis, Content Development and Management, Digital Marketing Tools, Digital Marketing, Growth Strategies, Content Strategy, Market Research, Customer Engagement
★ 4.8 (39) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, AI literacy, Responsible AI, Healthcare Ethics, Data Ethics, Artificial Intelligence, Health Informatics, Medical Imaging, Clinical Documentation, Image Analysis, Health Care Procedure and Regulation, Healthcare Industry Knowledge, Treatment Planning, Patient Evaluation, Medical Privacy, Natural Language Processing
★ 4.2 (51) · Beginner · Course · 1 - 4 Weeks

Clemson University
Skills you'll gain: Database Systems, Database Management, Database Design, Database Management Systems, MySQL, Database Theory, Relational Databases, Data Modeling, Database Development, SQL, NoSQL, Query Languages, Diagram Design, Dependency Analysis
★ 4.4 (98) · Intermediate · Course · 1 - 3 Months