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.

Skills you'll gain: Android Studio, Android Development, Kotlin, Interactive Design, Object Oriented Programming (OOP), Code Reusability, User Interface (UI) Design, Mobile Development, Android (Operating System), Object Oriented Design, UI Components, Relational Databases, Maintainability, Program Development, PostgreSQL, Database Design, Database Development, Application Development, Application Design, Development Environment
★ 4.9 (22) · Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Programming Principles, Full-Stack Web Development, GitHub, Version Control, Code Reusability, Program Development, Debugging, Computational Thinking, Git (Version Control System), Diagram Design, Computer Programming, Algorithms, Web Development, Computational Logic, C# (Programming Language)
★ 4.7 (218) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Public Health and Disease Prevention, Health Policy, Health Informatics, Biostatistics, Health Assessment, Infectious Diseases, Health Information Management, Data Collection, Descriptive Analytics, Statistical Methods
★ 4.7 (1.3K) · Beginner · Course · 1 - 4 Weeks
The University of Edinburgh
Skills you'll gain: Liberal Arts, Science and Research, Anthropology, Biology, World History, Scientific Methods, Ethical Standards And Conduct, Deductive Reasoning, Physics
★ 4.7 (208) · Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Electrical Systems, Wiring Diagram, Electrical Wiring, Hydraulics, Plumbing, Electrical Safety, General Construction and Construction Labor, Construction, Architecture and Construction, Property Maintenance, Building Design, Blueprint Reading, Structural Engineering, Cost Estimation
★ 4.9 (270) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Verification And Validation, Theoretical Computer Science, System Testing, Embedded Software, Software Systems, Communication Systems, Systems Design, System Design and Implementation, Embedded Systems, Automation, Process Modeling, Behavioral Management, System Configuration, Markov Model
★ 4.4 (183) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MongoDB, Restful API, API Design, NoSQL, Database Development, Node.JS, Query Languages, Application Programming Interface (API), Database Management, Distributed Computing, Data Store, Database Design, Database Architecture and Administration, Performance Tuning, Object-Relational Mapping, Scalability, Data Integrity, Data Modeling, Data Validation
★ 4.7 (65) · Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Agentic systems, Generative AI Agents, Prompt Patterns, Agentic Workflows, Generative Model Architectures, Multimodal Prompts, AI literacy, LLM Application, ChatGPT, AI Workflows, AI Product Strategy, Large Language Modeling, Model Evaluation, Responsible AI, Decision Making
★ 4.8 (129) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Differentiated Instruction, Digital pedagogy, Collaborative Software, Education Software and Technology, digital literacy, Emerging Technologies, Innovation, Digital Communications
★ 4.8 (1.6K) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Product Demonstration, Web Content, Video Production, Marketing Materials, Graphic Design, Data Visualization, Content Creation, Shared Media, Video Editing, Web Design, Storytelling, Content Marketing
★ 4.5 (80) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Surveys, Program Evaluation, Survey Creation, Health Policy, Sampling (Statistics), Health Systems, Health Assessment, Health Equity, Data Collection, Quantitative Research, Institutional Review Board (IRB), Nutritional Assessment, Maternal Health, Data Management, Statistical Analysis, Analysis, Nutrition and Diet, Public Health, Research Design, Data Analysis
★ 4.7 (164) · Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Objective-C (Programming Language), iOS Development, Apple iOS, Memory Management, Prototyping, Mobile Development, C and C++, Application Development, C (Programming Language), Object Oriented Programming (OOP), Computer Programming, Programming Principles, Data Structures
★ 4.6 (558) · Mixed · Course · 1 - 4 Weeks